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1/28 xc6221 series a pplications cellular phones cordless phones wireless communication equipment portable games cameras, vcrs portable av equipment pdas typical application circuit features maximum output current : 200ma dropout voltage : 80mv@ i out =100ma,v out =3.0v operating voltage range : 1.6v ~ 6.0v : 0.80v~5.00v (0.05v increments) output voltage range accuracy low power consumption stand-by current : + 2% (v out > 1.50v) (standard) + 30mv (v out Q 1.45v) (standard) + 1% (v out > 2.00v) (high accuracy) + 20mv (v out Q 1.95v) (high accuracy) : 25 a (typ.) : less than 0.1 a high ripple rejection ce function : 70db @ 1khz : ce active high standby current below 0.1 a c l high-speed auto-discharge (xc6221b/d) ce pin internally pulled-down (xc6221c/d) low esr capacitor : 1.0 f ceramic capacitor low output noise operating ambient temperature : -40 ~+85 packages : usp-4, sot-25, ssot-24 uspn-4 environmentally friendly : eu rohs compliant, pb free typical performance characteristics load transient response general description the xc6221 series is a high accuracy, low noise, high speed, low dropout cmos regulator with high ripple rejection. the series includes a reference voltage source, an error amplifie r, a current limiter, and a phase compensation circuit. the ce function enables the entire circuit to be in stand-by st ate by inputting low level signal. as for the xc6221b/d stand-b y mode, the electric charge at the output capacitor (c l ) will be discharged by the internal auto-discharge switch, and as a result the v out pin quickly returns to the v ss level. the output stabilization capacitor (c l ) is also compatible with low esr ceramic capacitors. output voltage is selectable in 0.05v increments within a range of 0.80v~5.00v, using the laser trimming technology set in factory. the current limiter's fold-back circuit also operates as a s hort circuit protection and an output current limiter at the output pin. the series achieves a fast response with only 25 a of low power consumption. also the series has low dropout voltage characteristics, which is 80mv at i out =100ma and v out =3.0v. with the use of small usp-4 and ultra small uspn-4 packages, a small footprint circuit can be designed. etr0328_014 xc6221x182 1.3 1.4 1.5 1.6 1.7 1.8 1.9 time: (500s/div) output voltage: v out (v) 0 50 100 150 200 250 300 output current: i out (ma) output voltage output current 100ma 10ma v in =v ce =2.8v , tr=tf=5s ta=25 , c in =c l =1.0f (ceramic)
2/28 xc6221 series pin number usp-4 sot-25 ssot-24 uspn-4 pin name functions 4 1 4 4 v in power input 1 5 3 1 v out output 2 2 2 2 v ss ground 3 3 1 3 ce on/off control - 4 - - nc no connection pin name designator conditions h 1.2v Q v ce Q 6.0v ce l v ce Q 0.3v pin configuration pin assignment *it is recommended that the heat dissipation pad of the usp-4 package is soldered by using the reference mount pattern and metal mask pattern for mounting strength. the mount pattern should be electrically opened or connected to the v ss (no.2) pin. sot-25 ( top view ) ssot-24 ( top view ) usp-4 ( bottom view ) uspn-4 ( bottom view ) 4 v in 3 ce v out 1 v ss 2 3 ce 4 v in v ss 2 v out 1 nc 1 3 2 5 4 v ss v out v in ce 1 2 3 4 v ss v out v in ce ce pin logic condition * v ce ce pin voltage
3/28 xc6221 series xc6221a/b (ce no pull-down resistor) xc6221c/d (ce pull-down resistor) designator item symbol description a no ce pull-down resistor without c l auto discharge b no ce pull-down resistor with c l auto discharge c ce pull-down resistor without c l auto discharge type of regulator d ce pull-down resistor with c l auto discharge ? output voltage 08 ~ 50 ex.) v out = 3.00v = 3, = 0 + 30mv @ 0.80v Q v out Q 1.40v when 0.1v steps such as v out =0.80v =0, =8, =2 2 + 2% @ v out > 1.50v when 0.1v steps such as v out =3.00v =3, =0, =2 + 30mv @ 0.85v Q v out Q 1.45v when 0.05v steps such as v out =0.85v =0, =8, =a a + 2% @ v out > 1.55v when 0.05v steps such as v out =3.05v =3, =0, =a + 20mv @ 0.80v Q v out Q 1.90v when 0.1v steps such as v out =0.80v =0, =8, =1 1 + 1% @ v out > 2.00v when 0.1v steps such as v out = 3.00v =3, =0, =1 + 20mv @ 0.85v Q v out Q 1.95v when 0.05v steps such as v out =0.85v =0, =8, =b output accuracy b + 1% @ v out > 2.00v when 0.05v steps such as v out = 3.05v =3, =0, =b gr usp-4 (3,000/reel) gr-g usp-4 (3,000/reel) mr sot-25 (3,000/reel) mr-g sot-25 (3,000/reel) nr ssot-24 (3,000/reel) nr-g ssot-24 (3,000/reel) ? - (*1) packages (order unit) 7r-g uspn-4 (5,000/reel) ce level ic operation high on low off open undefined state ce level ic operation high on low open off product classification ordering information xc6221 ?????- (*1) (*1) the ?-g? suffix indicates that the products are halogen and antimony free as well as being fully rohs compliant. (*2) the range of the output voltage of uspn-4 package is 1.20v Q v out Q 5.00v. pin function assignment
4/28 xc6221 series xc6221c????? ce v in v ss v out r1 r2 error amp - + voltage reference current limit each circuit on/off control ce ce/ r pull -down ce v in v ss v out r1 r2 error amp - + voltage reference current limit xc6221a????? each circuit on/off control ce ce/ ce v in v ss v out r1 r2 error amp - + voltage reference current limit ce/ rdischg xc6221b????? each circuit on/off control ce ce/ each circuit on/off control ce v in v ss v out r1 r2 error amp - + ce ce/ voltage reference current limit ce/ rdischg xc6221d????? r pull -down parameter symbol ratings units input voltage v in v ss -0.3 ~ +6.5 v output current i out 400 (*1) ma output voltage v out v ss ? 0.3 ~ v in + 0.3 v ce input voltage v ce v ss ? 0.3 ~ +6.5 v 120 usp-4 1000(pcb mounted) (*2) 250 sot-25 600(pcb mounted) (*2) 150 ssot-24 500(pcb mounted) (*2) 100 power dissipation uspn-4 pd 600(pcb mounted) (*2) mw operating ambient temper ature topr - 40 ~ + 85 storage temperature tstg - 55 ~ +125 a bsolute maximum ratings ta = 2 5 *1 i out Q pd / (v in -v out ) *2 these values are example data which is taken with t he pcb mounted. please refer to pages 21 to 24 for details. *diodes inside the circuit are an esd protection diode and a parasitic diode. block diagrams xc6221a series xc6221b series xc6221c series xc6221d series
5/28 xc6221 series parameter symbol conditions min. typ. max. units circuit 1.50v< v out(t), v ce =v in , i out =10ma x 0.98 (*3) x 1.02 (*3) output voltage (standard) v out(e) (* 2) v out(t) < 1.45v, v ce =v in , i out =10ma -0.03 (*3) v out(t) (*4) +0.03 (*3) v 2.00v< v out(t) , v ce =v in , i out =10ma x 0.99 (*3) x 1.01 (*3) output voltage (high accuracy) v out(e) (* 2) v out(t) < 1.95v, v ce =v in , i out =10ma -0.02 (*3) v out(t) (*4) +0.02 (*3) v output current i outmax v ce =v in ,v in =v out(t) +1.0v, 0.80v< v out(t) < 5.00v 200 250 - ma load regulation v out v ce =v in ,0.1ma Q i out Q 100ma - 10 40 mv dropout voltage (*5) vdif v ce =v in, i out =100ma refer to the voltage chart mv supply current i dd v ce =v in v in = v out(t) +1.0v - 25 50 a standby current i stb v in= 6.0v, v ce =v ss - 0.01 0.10 a v out(t) +0.5v Q v in Q 6.0v 1.10v Q v out(t), v ce =v in , i out =10ma line regulation v out / ( v in ? v out ) 1.6v Q v in Q 6.0v v out(t) Q 1.05v, v ce =v in, i out =10ma - 0.01 0.20 %/v input voltage v in 1.6 - 6.0 v output voltage temperature characteristics v out / ( to p r ? v out ) v ce =v in, i out =30ma, -40 < topr< 85 - 100 - ppm/ v in =5.75v dc +0.5vp-pac 4.75v Q v out(t) v ce =v in , i out =30ma, f=1khz v in = v out(t) +1.0 v dc +0.5vp-pac 4.05v Q v out(t) Q 4.70v v ce =v in , i out =30ma, f=1khz 60 v in = v out(t) +1.0 v dc +0.5vp-pac 0.85v Q v out(t) Q 4.00v v ce =v in , i out =30ma, f=1khz ripple rejection rate psrr v in =1.85v dc +0.5vp-pac v out(t) =0.80v v ce =v in , i out =30ma, f=1khz - 70 - db limit current i lim v ce =v in 200 250 - ma short current i short v ce =v in, v out is short-circuited at the v ss level - 30 - ma ce high level voltage v ceh 1.2 - 6.0 v ce low level voltage v cel - - 0.3 v v ce =v in (xc6221a/b) -0.1 - 0.1 ce high level current i ceh v ce =6.0v (xc6221c/d) 1.03 - 2.37 a ce low level current i cel v ce =v ss -0.1 - 0.1 a cl auto-discharge resistance (* 8) r dchg v in =6.0v, v out =4.0v, v ce =v ss - 780 - electrical characteristics ta = 2 5 xc6221a/b/c/d series note: * 1: unless otherwise stated regarding input voltage conditions, v in =v out(t) 1.0v. * 2: v out (e) = effective output voltage (the output voltage when an amply stabilized "v out (t) 1.0v" is provided at the v in pin while maintaining a certain i out value.) * 3: the relation between v ou t (e) and v out (t) is shown in the voltage chart e-0 and e-1. * 4: v out (t) = nominal output voltage * 5: vdif = {v in1 (*7) -v out1 (*6) } * 6: v out1 is the voltage equal to 98% of the normal output voltage when amply stabilized v out (t) +1.0v are input at the v in pin. * 7: v in1 is the input voltage when v out1 appears at the v out pin while input voltage is gradually decreased. * 8: for the xc6221b/d series only. the xc6221a/c series dischar ges by resistors r1 and r2 only as shown in the block diagrams . * 9: for operating supply current of the xc6221c/d, a current th rough the pull-down resistor s hould be considered in addition t o the supply current value mentioned above.
6/28 xc6221 series output voltage (standard) v out(e) (v) output voltage (high accuracy) v out(e) (v) dropout voltage vdif (mv) nominal output voltage (v) min. max. min. max. typ. max. 0.80 0.7700 0.8300 0.7800 0.8200 0.85 0.8200 0.8800 0.8300 0.8700 500 850 0.90 0.8700 0.9300 0.8800 0.9200 0.95 0.9200 0.9800 0.9300 0.9700 410 750 1.00 0.9700 1.0300 0.9800 1.0200 1.05 1.0200 1.0800 1.0300 1.0700 1.10 1.0700 1.1300 1.0800 1.1200 1.15 1.1200 1.1800 1.1300 1.1700 330 650 1.20 1.1700 1.2300 1.1800 1.2200 1.25 1.2200 1.2800 1.2300 1.2700 1.30 1.2700 1.3300 1.2800 1.3200 1.35 1.3200 1.3800 1.3300 1.3700 230 410 1.40 1.3700 1.4300 1.3800 1.4200 1.45 1.4200 1.4800 1.4300 1.4700 200 360 1.50 1.4700 1.5300 1.4800 1.5200 1.55 1.5200 1.5800 1.5300 1.5700 180 290 1.60 1.5700 1.6300 1.5800 1.6200 1.65 1.6200 1.6800 1.6300 1.6700 1.70 1.6700 1.7300 1.6800 1.7200 1.75 1.7200 1.7800 1.7300 1.770 160 250 1.80 1.7700 1.8300 1.7800 1.8200 1.85 1.8200 1.8800 1.8300 1.8700 1.90 1.8700 1.9300 1.8800 1.9200 1.95 1.9200 1.9800 1.9300 1.9700 125 210 2.00 1.9600 2.0400 1.9800 2.0200 2.05 2.0090 2.0910 2.0295 2.0705 2.10 2.0850 2.1420 2.0790 2.1210 2.15 2.1070 2.1930 2.1285 2.1715 2.20 2.1560 2.2440 2.1780 2.2220 2.25 2.2050 2.2950 2.2275 2.2725 2.30 2.2540 2.3460 2.2770 2.3230 2.35 2.3030 2.3970 2.3265 2.3735 2.40 2.3520 2.4480 2.3760 2.4240 2.45 2.4010 2.4990 2.4255 2.4745 115 195 2.50 2.4500 2.5500 2.4750 2.5250 2.55 2.4990 2.6010 2.5245 2.5755 2.60 2.5480 2.6520 2.5740 2.6260 2.65 2.5970 2.7030 2.6235 2.6765 2.70 2.6460 2.7540 2.6730 2.7270 2.75 2.6950 2.8050 2.7225 2.7775 2.80 2.7440 2.8560 2.7720 2.8280 2.85 2.7930 2.9070 2.8215 2.8785 2.90 2.8420 2.9580 2.8710 2.9290 2.95 2.8910 3.0090 2.9205 2.9795 95 170 the range of the output voltage of uspn-4 package is 1.20v Q v out(t) Q 5.00v. output voltage chart
7/28 xc6221 series output voltage (standard) v out(e) (v) output voltage (high accuracy) v out(e) (v) dropout voltage vdif (mv) nominal output voltage (v) min. max. min. max. typ. max. 3.00 2.9400 3.0600 2.9700 3.0300 3.05 2.8990 3.1100 3.0195 3.0805 3.10 3.0380 3.1620 3.0690 3.1310 3.15 3.0870 3.2130 3.1185 3.1815 3.20 3.1360 3.2640 3.1680 3.2320 3.25 3.1850 3.3150 3.2175 3.2825 3.30 3.2340 3.3660 3.2670 3.3330 3.35 3.2830 3.4170 3.3165 3.3835 3.40 3.3320 3.4680 3.3660 3.4340 3.45 3.3810 3.5190 3.4155 3.4845 3.50 3.4300 3.5700 3.4650 3.5350 3.55 3.4790 3.6210 3.5145 3.5855 3.60 3.5280 3.6720 3.5640 3.6360 3.65 3.5770 3.7230 3.6135 3.6855 3.70 3.6260 3.7740 3.6630 3.7370 3.75 3.6750 3.8250 3.7125 3.7875 3.80 3.7240 3.8760 3.7620 3.8380 3.85 3.7730 3.9270 3.8115 3.8885 3.90 3.8220 3.9780 3.8610 3.9390 3.95 3.8710 4.0290 3.9105 3.9895 4.00 3.9200 4.0800 3.9600 4.0400 4.05 3.9690 4.1310 4.0095 4.0905 4.10 4.0180 4.1820 4.0590 4.1410 4.15 4.0670 4.2330 4.1085 4.1915 4.20 4.1160 4.2840 4.1580 4.2420 4.25 4.1650 4.3350 4.2075 4.2925 4.30 4.2140 4.3860 4.2570 4.3430 4.35 4.2630 4.4370 4.3065 4.3935 4.40 4.3120 4.4880 4.3560 4.4440 4.45 4.3610 4.5390 4.4055 4.4945 4.50 4.4100 4.5900 4.4550 4.5450 4.55 4.4590 4.6410 4.5045 4.5955 4.60 4.5080 4.6920 4.5540 4.6460 4.65 4.5570 4.7430 4.6035 4.6965 4.70 4.6060 4.7940 4.6530 4.7470 4.75 4.6550 4.8450 4.7025 4.7975 4.80 4.7040 4.8960 4.7520 4.8480 4.85 4.7530 4.9470 4.8015 4.8985 4.90 4.8020 4.9980 4.8510 4.9490 4.95 4.8510 5.0490 4.9005 4.9995 5.00 4.9000 5.1000 4.9500 5.0500 80 140 output voltage chart (continued)
8/28 xc6221 series each circuit on/off control ce v in v ss v out r1 r2 error amp - + ce ce/ voltage reference current limit ce/ rdischg except uspn-4 output voltage (v) output capacitor value 0.80v 1.15v c l R 4.7 f 1.20v 1.35v c l R 2.2 f 1.40v 4.00v c l R 1.0 f 4.05v 5.00v c l R 2.2 f uspn-4 output voltage (v) output capacitor value 1.20v 4.00v c l R 2.2 f 4.05v 5.00v c l R 4.7 f operational explanation the voltage divided by resistors r1 & r2 is compared with the internal reference voltage by the error amplifier. the p-channel mosfet connected to the v out pin, is then driven by the subsequent output signal. the output voltage at the v out pin is controlled & stabilized by a system of negative f eedback. the current limit circ uit and short protect circuit operate in relation to the level of output current. further, the ic's internal circuitry can be shutdown via the ce pin's signa l. the xc6221 needs an output capacitor c l for phase compensation. values required for the phase compensation are shown in the chart below. if a loss of the capacitance happens, the stable phase compensation may not be obtained. please ensure to use a capacitor which does not depend on bias or temperature too much. for a stable power input, please connect an input capacitor c in of 1.0 f between the v in pin and the v ss pin. xc6221b/d series can discharge the elec tric charge in the output capacitor (c l ), when a low signal to the ce pin, which enables the whole ic circuit to be turned off, is inputted via the n-channel transistor and c l auto-discharge resistance (r dchg ) located between the v out pin and the v ss pin (cf. block diagram). the c l auto-discharge resistance (r dchg ) value is set at 780 (v out =4.0v @ v in =6.0v at typical). the discharge time of the output capacitor (c l ) is set by the c l auto-discharge resistance (r dchg ) and the output capacitor (c l ). by setting the time constant of the c l auto-discharge resistance value [r dchg ] and the output capacitor value (c l ) as ( =c l x r dchg ), the output voltage after discharge via the n-channel transistor is calcul ated by the following formula. v = v out(e) x e ?t/ , or t= in ( v / v out(e) ) where v : output voltage after discharge v out (e) : output voltage t : discharge time : c l auto-discharge resistance r dchg output capacitor value c l
9/28 xc6221 series operational explanation (continued) the xc6221 series? fold-back circuit operat es as an output current limit er and a short protection circuit for the output pin. when the load current reaches t he current limit level, the fi xed current limiter circuit oper ates and output voltage drops. when the output pin is short-circuited to the v ss pin, the current falls and reaches about 30ma. the xc6221 internal circuitry can be shutdown via the ce pin signal. in shutdown mode, output at the v out pin will be pulled down to the v ss level via r1 & r2. however, with the xc6221b/d series, the c l auto-discharge resistor is connected in parallel to r1 and r2 while the power supply is applied to the v in pin. therefore, time until the v out pin reaches the v ss level is shorter. for the xc6221a/b, the output voltage becomes unstable, when the ce pin is left open. for the xc6221c/d, the output voltage becomes v ss level because the ce pin is short-circuited to v ss via an internal pull-down resistor. however, the ce input current will be increased via a pull-down resistor when the ic operates. if this ic is used with the correct output voltage for the ce pin, the logic is fixed and the ic will operate normally. however, the supply current may increase as a resu lt of shoot-through current in the ic's internal circuitry when a medium voltage is input. 1. please use this ic within the stated maximum ratings. for temporary, transitional vo ltage drop or voltage rising phenomenon, the ic is liable to malfunction should the ratings be exceeded. 2. where wiring impedance is high, operations may bec ome unstable due to noise and/or phase lag depending on output current. please wire the input capacitor (c in ) and the output capacitor (c l ) as close to the ic as possible. 3. torex places an importance on improv ing our products and its reliability. however, by any possibility, we would request user fail- safe design and post-aging treatment on system or equipment. notes on use
10/28 xc6221 series test circuits circuit 1: output voltage, output current, dropout voltag e, input/operating voltage, li ne regulation, load regulation, current limit, short current, cl discharge resistance circuit 2: supply current, stand-by current circuit 3: ripple rejection rate
11/28 xc6221 series circuit 4: ce ?h? ?l? level voltage, ce ?h? ?l? level current test circuits (continued) c in (ceramic) c l (ceramic) v ce a v v v v in ce v ss v out
12/28 xc6221 series typical performance characteristics (1) output voltage vs. output current (2) output voltage vs. input voltage xc6221x182 0 0.6 1.2 1.8 2.4 0 100 200 300 400 output current: i out (ma) output voltage: v out (v) vin=1.9v vin=2.8v vin=6.0v v ce =v in , ta=25 c in =c l =1.0f (ceramic) xc6221x182 0 0.6 1.2 1.8 2.4 0 100 200 300 400 output current: i out (ma) output voltage: v out (v) ta=25 ta=-40 ta=85 v in =v ce =2.8v c in =c l =1.0f (ceramic) xc6221x302 0 0.5 1 1.5 2 2.5 3 3.5 0 100 200 300 400 output current: i out (ma) output voltage: v out (v) vin=3.1v vin=4.0v vin=6.0v v ce =v in , ta=25 c in =c l =1.0f (ceramic) xc6221x302 0 0.5 1 1.5 2 2.5 3 3.5 0 100 200 300 400 output current: i out (ma) output voltage: v out (v) ta=25 ta=-40 ta=85 v in =v ce =4.0v c in =c l =1.0f (ceramic) xc6221x182 1.4 1.5 1.6 1.7 1.8 1.9 2 1 1.5 2 2.5 3 input voltage: v in (v) output voltage: v out (v) iout=1ma iout=10ma iout=30ma iout=100ma v ce =v in , ta=25 c in =c l =1.0f (ceramic) xc6221x182 1.6 1.65 1.7 1.75 1.8 1.85 1.9 4 4.5 5 5.5 6 input voltage: v in (v) output voltage: v out (v) iout=1ma iout=10ma iout=30ma iout=100ma v ce =v in , ta=25 c in =c l =1.0f (ceramic)
13/28 xc6221 series typical performance characteristics (continued) (2) output voltage vs. i nput voltage (continued) (3) dropout voltage vs. output current (4) output voltage vs. ambient temperature xc6221x302 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 22.533.54 input voltage: v in (v) output voltage: v out (v) iout=1ma iout=10ma iout=30ma iout=100ma v ce =v in , ta=25 c in =c l =1.0f (ceramic) xc6221x302 2.8 2.85 2.9 2.95 3 3.05 3.1 44.555.56 input voltage: v in (v) output voltage: v out (v) iout=1ma iout=10ma iout=30ma iout=100ma v ce =v in , ta=25 c in =c l =1.0f (ceramic) xc6221x182 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0 50 100 150 200 output current: i out (ma) dropout voltage: vdif (v) ta=85 ta=25 ta=-40 v ce =v in c in =c l =1.0f (ceramic) xc6221x302 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0 50 100 150 200 output current: i out (ma) dropout voltage: vdif (v) ta=85 ta=25 ta=-40 v ce =v in c in =c l =1.0f (ceramic) xc6221x182 1.7 1.75 1.8 1.85 1.9 -50 -25 0 25 50 75 100 ambient temperature: topr () output voltage: v out (v) v in =v ce =2.8v , i out =30ma c in =c l =1.0f (ceramic) xc6221x302 2.9 2.95 3 3.05 3.1 -50 -25 0 25 50 75 100 ambient temperature: topr () output voltage: v out (v) v in =v ce =4.0v , i out =30ma c in =c l =1.0f (ceramic)
14/28 xc6221 series typical performance characteristics (continued) (5) supply current vs. input voltage (7) load transient response (6) cl-discharge resistance vs. ambient temperature xc6221x182 0 10 20 30 40 50 60 70 0123456 input voltage: v in (v) supply current: i ss (ua) ta=85 ta=25 ta=-40 v ce =v in , c in =c l =1.0f (ceramic) xc6221x302 0 10 20 30 40 50 60 70 0123456 input voltage: v in (v) supply current: i ss (ua) ta=85 ta=25 ta=-40 v ce =v in , c in =c l =1.0f (ceramic) xc6221b 0 200 400 600 800 1000 1200 -50 -25 0 25 50 75 100 ambient temperature: topr () c l auto-discharge resistance: r dchg () c in =c l =1.0f (ceramic) v in =6.0v , v ce =v ss , v out =4.0v xc6221x182 1.3 1.4 1.5 1.6 1.7 1.8 1.9 time: (500s/div) output voltage: v out (v) 0 50 100 150 200 250 300 output current: i out (ma) output voltage output current 100ma 10ma v in =v ce =2.8v , tr=tf=5s ta=25 , c in =c l =1.0f (ceramic) xc6221x302 2.5 2.6 2.7 2.8 2.9 3 3.1 time: (500s/div) output voltage: v out (v) 0 50 100 150 200 250 300 output current: i out (ma) output current output voltage 100ma 10ma v in =v ce =4.0v , tr=tf=5s ta=25 , c in =c l =1.0f (ceramic)
15/28 xc6221 series typical performance characteristics (continued) (8) line transient response xc6221x182 -1 0 1 2 3 4 5 time: (20s/div) input voltage: v in (v) 1.7 1.75 1.8 1.85 1.9 1.95 2 output voltage: v out (v) v ce =v in , tr=tf=5s i out =1ma , ta=25 , c l =1.0f(ceramic) input voltage output voltage xc6221x182 -1 0 1 2 3 4 5 time: (20s/div) input voltage: v in (v) 1.7 1.75 1.8 1.85 1.9 1.95 2 output voltage: v out (v) v ce =v in , tr=tf=5s i out =30ma , ta=25 , c l =1.0f(ceramic) output voltage input voltage xc6221x182 -1 0 1 2 3 4 5 time: (20s/div) input voltage: v in (v) 1.7 1.75 1.8 1.85 1.9 1.95 2 output voltage: v out (v) v ce =v in , tr=tf=5s i out =100ma , ta=25 , c l =1.0f (ceramic) output voltage input voltage xc6221x302 0 1 2 3 4 5 6 time: (20s/div) input voltage: v in (v) 2.9 2.95 3 3.05 3.1 3.15 3.2 output voltage: v out (v) v ce =v in , tr=tf=5s i out =30ma , ta=25 , c l =1.0f (ceramic) input voltage output voltage xc6221x302 0 1 2 3 4 5 6 time: (20s/div) input voltage: v in (v) 2.9 2.95 3 3.05 3.1 3.15 3.2 output voltage: v out (v) v ce =v in , tr=tf=5s i out =100ma , ta=25 , c l =1.0f (ceramic) output voltage input voltage xc6221x302 0 1 2 3 4 5 6 time: (20s/div) input voltage: v in (v) 2.9 2.95 3 3.05 3.1 3.15 3.2 output voltage: v out (v) v ce =v in , tr=tf=5s i out =1ma , ta=25 , c l =1.0f (ceramic) input voltage output voltage
16/28 xc6221 series typical performance characteristics (continued) (9) input rise characteristics xc6221x182xx -3 -2 -1 0 1 2 3 4 time: (40s/div) input voltage: v in (v) 0 1 2 3 4 5 6 7 output voltage: v out (v) output voltage input voltage v ce =v in , tr=5s i out =1ma , ta=25 , c l =1.0f (ceramic) xc6221x182xx -3 -2 -1 0 1 2 3 4 time: (40s/div) input voltage: v in (v) 0 1 2 3 4 5 6 7 output voltage: v out (v) output voltage input voltage v ce =v in , tr=5s i out =30ma , ta=25 , c l =1.0f (ceramic) xc6221x182 -3 -2 -1 0 1 2 3 4 time: (40s/div) input voltage: v in (v) 0 1 2 3 4 5 6 7 output voltage: v out (v) output voltage input voltage v ce =v in , tr=5s i out =100ma , ta=25, c l =1.0f (ceramic) xc6221x302 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) input voltage: v in (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage input voltage v ce =v in , tr=5s i out =1ma, ta=25, c l =1.0f (ceramic) xc6221x302 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) input voltage: v in (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage input voltage v ce =v in , tr=5s i out =30ma , ta=25, c l =1.0f (ceramic) xc6221x302 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) input voltage: v in (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage input voltage v ce =v in , tr=5s i out =100ma, ta=25, c l =1.0f (ceramic)
17/28 xc6221 series typical performance characteristics (continued) (10) ce rise characteristics xc6221x182 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) ce input voltage: v ce (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage ce input voltage v in =2.8v, tr=5s i out =1ma ,ta=25, c in =c l =1.0f (ceramic) xc6221x182 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) ce input voltage: v ce (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage ce input voltage v in =2.8v, tr=5s i out =30ma , ta=25, c in =c l =1.0f (ceramic) xc6221x182 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) ce input voltage: v ce (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage ce input voltage v in =2.8v, tr=5s i out =100ma , ta=25, c in =c l =1.0f (ceramic) xc6221x302 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) ce input voltage: v ce (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage ce input voltage v in =4.0v, tr=5s i out =1ma, ta=25, c in =c l =1.0f (ceramic) xc6221x302 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) ce input voltage: v ce (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage ce input voltage v in =4.0v, tr=5s i out =30ma, ta=25, c in =c l =1.0f (ceramic) xc6221x302 -3 -2 -1 0 1 2 3 4 5 time: (40s/div) ce input voltage: v ce (v) 0 1 2 3 4 5 6 7 8 output voltage: v out (v) output voltage ce input voltage v in =4.0v, tr=5s i out =100ma, ta=25, c in =c l =1.0f (ceramic)
18/28 xc6221 series typical performance characteristics (continued) (11) ripple rejection rate xc6221x182 0 10 20 30 40 50 60 70 80 0.01 0.1 1 10 100 1000 ripple frequency: f (khz) ripple rejection rate: psrr (db) v in =v ce =2.8v dc +0.5v p- pac i out =30ma , ta=25 , c l =1.0f (ceramic) xc6221x302 0 10 20 30 40 50 60 70 80 0.01 0.1 1 10 100 1000 ripple frequency: f (khz) ripple rejection rate: psrr (db) v in =v ce =4.0v dc +0.5v p- pac , i out =30ma , ta=25 , c l =1.0f (ceramic)
19/28 xc6221 series packaging information usp-4 sot-25 * soldering f illet s urf ac e is not f ormed because the sides of the pins are plated. ssot-24 uspn-4 2.10.3 0.90.1 1.25 +0.2 -0.1 0.3 +0 -0.2 1.1max (unit : mm) (unit : mm) (unit : mm) ( unit : mm )
20/28 xc6221 series packaging information ( continued ) usp-4 reference pattern layout usp-4 reference metal mask design 0.6 0.25 0.45 0.4 uspn-4 reference pattern layout uspn-4 reference metal mask design ( unit : mm ) ( unit : mm ) (unit : mm) ( unit : mm )
21/28 xc6221 series usp-4 power dissipation power dissipation data for the usp-4 is shown in this page. the value of power dissipation varies with the mount board conditions. please use this data as one of referenc e data taken in the described condition. board mount (tj max = 125 ) ambient temperature power dissipation pd mw thermal resistance ( /w) 25 1000 85 400 100.00 packaging information (continued) 1. measurement condition (reference data) condition: mount on a board ambient: natural convection soldering: lead (pb) free board: dimensions 40 x 40 mm (1600 mm 2 in one side) copper (cu) traces occupy 50% of the board area in top and back faces package heat-sink is tied to the copper traces material: glass epoxy (fr-4) thickness: 1.6 mm through-hole: 4 x 0.8 diameter evaluation board (unitmm) 2. power dissipation vs. ambient temperature pd vs. ta 0 200 400 600 800 1000 1200 25 45 65 85 105 125 ambient temperatureta: power dissipation: pd mw ambient temperature : ta ( )
22/28 xc6221 series sot-25 power dissipation power dissipation data for the sot-25 is shown in this page. the value of power dissipation varies with the mount board conditions. please use this data as one of referenc e data taken in the described condition. board mount (tj max = 125 ) ambient temperature ( ) power dissipation pd (mw) thermal resistance ( /w 25 600 85 240 166.67 packaging information (continued) 1. measurement condition (reference data) condition : mount on a board ambient : natural convection soldering : lead (pb) free board : dimensions 4040mm 1600mm 2 in one side copper (cu) traces occupy 50% of the board area in top and back faces package heat-sink is tied to the copper traces (board of sot-26 is used) material : glass epoxy fr-4 thickness : 1.6mm through-hole : 4 x 0.8 diameter 2. power dissipation vs. ambient temperature pd vs ta 0 100 200 300 400 500 600 700 25 45 65 85 105 125 ambient temperature ta power dissipation pdmw evaluation board (unit: mm)
23/28 xc6221 series ssot-24 power dissipation power dissipation data for the ssot-24 is shown in this page. the value of power dissipation varies with the mount board conditions. please use this data as one of referenc e data taken in the described condition. board mount (tj max = 125 ) pd vs ta 0 100 200 300 400 500 600 25 45 65 85 105 125 ambient temperature ta ambient temperature ( ) power dissipation pd (mw) thermal resistance ( /w 25 500 85 200 200.00 packaging information (continued) 40.0 2.5 28.9 evaluation board (unit: mm) 1. measurement condition (reference data) condition : mount on a board ambient : natural convection soldering : lead (pb) free board : dimensions 4040mm 1600mm 2 in one side copper (cu) traces occupy 50% of the board area in top and back faces package heat-sink is tied to the copper traces material : glass epoxy fr-4 thickness : 1.6mm through-hole : 4 x 0.8 diameter 2. power dissipation vs. ambient temperature
24/28 xc6221 series uspn-4 power dissipation power dissipation data for the uspn-4 is shown in this page. the value of power dissipation varies with the mount board conditions. please use this data as one of referenc e data taken in the described condition. board mount (tj max = 125 ) ambient temperature power dissipation pd mw thermal resistance ( /w) 25 600 85 240 166.67 packaging information (continued) 1. measurement condition (reference data) condition: mount on a board ambient: natural convection soldering: lead (pb) free board: dimensions 40 x 40 mm (1600 mm 2 in one side) copper (cu) traces occupy 50% of the front and 50% of the back. the copper area is divided into four block, one block is 12.5% of total. the uspn-4 package has for terminals. each terminal connects one copper block in the front and one in the back. material: glass epoxy (fr-4) thickness: 1.6 mm through-hole: 4 x 0.8 diameter evaluation board (unitmm) 40.0 40.0 2.54 1.4 2.5 28.9 28.9 2. power dissipation vs. ambient temperature pd vs. ta 0 100 200 300 400 500 600 700 25 45 65 85 105 125 ambient temperature: ta power dissipation: pd mw
25/28 xc6221 series mark output voltage 0.1v increments output voltage 0.05v increments v out =0.80 3.00v v out =3.10 5.00v v out =0.85 3.05v v out =3.15 4.95v product series v a e l xc6221a/c***** x b f m xc6221b/d***** mark output voltage (v) mark output voltage (v) 0 - 3.10 - 3.15 f 1.60 4.60 1.65 4.65 1 - 3.20 - 3.25 h 1.70 4.70 1.75 4.75 2 - 3.30 - 3.35 k 1.80 4.80 1.85 4.85 3 - 3.40 - 3.45 l 1.90 4.90 1.95 4.95 4 - 3.50 - 3.55 m 2.00 5.00 2.05 - 5 - 3.60 - 3.65 n 2.10 - 2.15 - 6 - 3.70 - 3.75 p 2.20 - 2.25 - 7 0.80 3.80 0.85 3.85 r 2.30 - 2.35 - 8 0.90 3.90 0.95 3.95 s 2.40 - 2.45 - 9 1.00 4.00 1.05 4.05 t 2.50 - 2.55 - a 1.10 4.10 1.15 4.15 u 2.60 - 2.65 - b 1.20 4.20 1.25 4.25 v 2.70 - 2.75 - c 1.30 4.30 1.35 4.35 x 2.80 - 2.85 - d 1.40 4.40 1.45 4.45 y 2.90 - 2.95 - e 1.50 4.50 1.55 4.55 z 3.00 - 3.05 - mark product series 3 xc6221a/b***** 0 xc6221c/d***** represents type of regulator represents output voltage ? represents production lot number 01, ?, 09, 10, 11, ?99, 0a, ?,0z, 1a, ? 9z, a0, ?, z9, aa, ?, zz repeated. (g, i, j, o, q, w excluded) *no character inversion used. marking rule sot-25 / usp-4 represents product series sot-25 (top view) usp-4 (top view) 1 2 4 3 123 5 4
26/28 xc6221 series the range of the output voltage of uspn-4 package is 1.20v Q v out(t) Q 5.00v. mark output voltage (v) mark output voltage (v) 0 - 3.10 - 3.15 f 1.60 4.60 1.65 - 1 - 3.20 - 3.25 h 1.70 4.70 1.75 - 2 - 3.30 - 3.35 k 1.80 4.80 1.85 - 3 - 3.40 - 3.45 l 1.90 4.90 1.95 - 4 - 3.50 - 3.55 m 2.00 5.00 2.05 - 5 - 3.60 - 3.65 n 2.10 - 2.15 4.05 6 - 3.70 - 3.75 p 2.20 - 2.25 4.15 7 0.80 3.80 0.85 3.85 r 2.30 - 2.35 4.25 8 0.90 3.90 0.95 3.95 s 2.40 - 2.45 4.35 9 1.00 4.00 1.05 - t 2.50 - 2.55 4.45 a 1.10 4.10 1.15 - u 2.60 - 2.65 4.55 b 1.20 4.20 1.25 - v 2.70 - 2.75 4.65 c 1.30 4.30 1.35 - x 2.80 - 2.85 4.75 d 1.40 4.40 1.45 - y 2.90 - 2.95 7.85 e 1.50 4.50 1.55 - z 3.00 - 3.05 4.95 mark output voltage (v) 0 4.10 - - - 1 4.20 - - - 2 4.30 - - - 3 4.40 - - - 4 4.50 - - - 5 4.60 - - - 6 4.70 - - - 7 4.80 - - - 8 - - - - 9 - 4.05 4.45 - x 4.90 4.15 4.55 4.85 y 5.00 4.25 4.65 4.95 z - 4.35 4.75 - ssot-24(without bar) / uspn-4 re p resents out p ut volta g e ssot-24 (top view) represents type of regulator and output voltage range. ? represents production lot number 01, ?, 09, 10, 11, ?, 99, 0a, ?, 0z, 1a, ?, 9z, a0, ?, z9, aa, ?, zz repeated. (g, i, j, o, q, w excluded) *no character inversion used. marking rule ( continued ) uspn-4 top view mark type of regulator output voltage range(v) output voltage accuracy product series 9 a 0.80 3.00 1/2(0.1vst ep) xc6221a081/2** xc6221a301/2** d a 3.10 4.00 1/2(0.1vst ep) xc6221a311/2** xc6221a401/2** 0 a 4.10 5.00 1/2(0.1vst ep) xc6221a411/2** xc6221a501/2** a a 0.85 3.05 a/b(0.05vstep) xc6221a08a/b** xc6221a30a/b** e a 3.15 3.95 a/b(0.05vstep) xc6221a31a/b** xc6221a39a/b** 0 a 4.05 4.95 a/b(0.05vstep) xc6221a40a/b** xc6221a49a/b** b b 0.80 3.00 1/2(0.1vst ep) xc6221b081/2** xc6221b301/2** f b 3.10 4.00 1/2(0.1vst ep) xc6221b311/2** xc6221b401/2** p b 4.10 4.80 1/2(0.1vst ep) xc6221b411/2** xc6221b481/2** u b 4.90 5.00 1/2(0.1vst ep) xc6221b491/2** xc6221b501/2** c b 0.85 3.05 a/b(0.05vstep) xc6221b31a/b** xc6221b39a/b** h b 3.15 3.95 a/b(0.05vstep) xc6221b40a/b** xc6221b49a/b** 8 b 4.05 4.35 a/b(0.05vstep) xc6221b31a/b** xc6221b39a/b** h b 4.45 4.75 a/b(0.05vstep) xc6221b40a/b** xc6221b49a/b** z b 4.85 4.95 a/b(0.05vstep) xc6221b40a/b** xc6221b49a/b** 12 3 4 1 2 4 3 xc6221a***** (0.8 5.0v) xc6221b***** (0.8 4.0v) xc6221b***** (4.05 5.0v)
27/28 xc6221 series the range of the output voltage of uspn-4 package is 1.20v Q v out(t) Q 5.00v. mark output voltage (v) mark output voltage (v) 0 0.80 3.80 0.85 3.85 f 2.30 - 2.35 - 1 0.90 3.90 0.95 3.95 h 2.40 - 2.45 - 2 1.00 4.00 1.05 4.05 k 2.50 - 2.55 - 3 1.10 4.10 1.15 4.15 l 2.60 - 2.65 - 4 1.20 4.20 1.25 4.25 m 2.70 - 2.75 - 5 1.30 4.30 1.35 4.35 n 2.80 - 2.85 - 6 1.40 4.40 1.45 4.45 p 2.90 - 2.95 - 7 1.50 4.50 1.55 4.55 r 3.00 - 3.05 - 8 1.60 4.60 1.65 4.65 s 3.10 - 3.15 - 9 1.70 4.70 1.75 4.75 t 3.20 - 3.25 - a 1.80 4.80 1.85 4.85 u 3.30 - 3.35 - b 1.90 4.90 1.95 4.95 v 3.40 - 3.45 - c 2.00 5.00 2.05 - x 3.50 - 3.55 - d 2.10 - 2.15 - y 3.60 - 3.65 - e 2.20 - 2.25 - z 3.70 - 3.75 - marking rule ( continued ) ssot-24(with bar) / uspn-4 1 2 3 4 1 2 4 3 ssot-24 top view uspn-4 top view mark type of regulator output voltage range(v) output voltage accuracy product series 0 c 0.80 3.70 1/2(0.1vstep ) xc6221c081/2** xc6221c371/2** 1 c 3.80 5.00 1/2(0.1vstep ) xc6221c381/2** xc6221c501/2** 2 c 0.85 3.75 a/b(0.05vstep) xc6221c08a/b** xc6221c37 a/b** 3 c 3.85 4.95 a/b(0.05vstep) xc6221c38 a/b** xc6221c50 a/b** 4 d 0.80 3.70 1/2(0.1vstep ) xc6221d081/2** xc6221d371/2** 5 d 3.80 5.00 1/2(0.1vstep ) xc6221d381/2** xc6221d501/2** 6 d 0.85 3.75 a/b(0.05vstep) xc6221d08a/b** xc6221d37 a/b** 7 d 3.85 4.95 a/b(0.05vstep) xc6221d38 a/b** xc6221d50 a/b** represents type of regulator and output voltage range. represents output voltage ? represents production lot number 01, ?, 09, 10, 11, ?, 99, 0a, ?, 0z, 1a, ?, 9z, a0, ?, z9, aa, ?, zz repeated. (g, i, j, o, q, w excluded) *no character inversion used.
28/28 xc6221 series 1. the products and product specifications cont ained herein are subject to change without notice to improve performance characteristic s. consult us, or our representatives before use, to confirm that the informat ion in this datasheet is up to date. 2. we assume no responsibility for any infri ngement of patents, pat ent rights, or other rights arising from the use of any information and circuitry in this datasheet. 3. please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this datasheet. 4. the products in this datasheet are not devel oped, designed, or approved for use with such equipment whose failure of malfuncti on can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. atomic energy; aerospace; transpor t; combustion and associated safety equipment thereof.) 5. please use the products listed in this datasheet within the specified ranges. should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. we assume no responsibility for damage or loss due to abnormal use. 7. all rights reserved. no part of this dat asheet may be copied or reproduced without the prior permission of torex semiconductor ltd.

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