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r5324x series triple ldo no. ea-099-081006 1 outline the r5324x series are cmos-based multi positive vo ltage regulator ics with high output voltage accuracy, low supply current, low noise, low dropout and high rippl e rejection. the r5324x series contain three voltage regulators. each of these voltage regulators in the r 5324x series consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a short current limit circuit, a chip enable circuit, and so on. the chip enable function contributes to prolong battery life. further, regulators in the r5324x series are with low dropout voltage, excellent load transient response and line transient response, thus the r5324x series are very suitable for the power supply for hand-held communication equipment. since the packages for these ics are son-8 and dfn( plp)2527-10, high density mounting of the ics on boards is possible. features ? supply current .................................................................. typ. 90 a (vr1, vr2, vr3) ? standby current ................................................................ typ. 0.1 a ? output current .................................................................. min. 200ma (vr1), 150ma (vr2), 100ma (vr3) ? dropout voltage ................................................................ ty p. 0.23v (vr1) (i out = 200ma, v out = 2.8v) typ. 0.22v (vr2) (i out = 150ma, v out = 2.8v) typ. 0.15v (vr3) (i out = 100ma, v out = 2.8v) ? ripple rejection ................................................................ typ. 70db (f = 1khz), typ. 65db (f = 10khz) ? input voltage range ......................................................... 2.0v to 6.0v ? output voltage rang e....................................................... 1.5v to 4.0v ? output voltag e accuracy................................................... 2.0% ? temperature-drift coefficient of output voltage ............... typ. 100ppm/c ? line regulation ................................................................. typ.0.02%/v ? packages ......................................................................... son-8, dfn(plp)2527-10 ? built-in fold-back protecti on circuit .................................... typ. 50ma (vr1), typ.40ma (vr2, vr3) (current at short mode) ? ceramic capacitors are recommend ed to be used with this ic .....1.0 f or more applications ? power source for cellular phones and portable communication equipment. ? power source for electrical appliances such as cameras, vcrs. ? power source for battery-powered equipment.
r5324x 2 block diagrams r5324xxxxa error amp. vref current limit v dd ce1 ce2 ce3 v out1 v out2 v out3 gnd r1_1 r2_1 error amp. vref current limit r1_2 r2_2 error amp. vref current limit r1_3 r2_3 r5324xxxxb error amp. vref current limit v dd ce1 ce2 ce3 v out1 v out2 v out3 gnd r1_1 r2_1 error amp. vref current limit r1_2 r2_2 error amp. vref current limit r1_3 r2_3
r5324x 3 selection guide the selection can be made with designating the part number as shown below: r5324xxxx x-xx -x part number a b c d e code contents a designation of package type: d: son-8 k: dfn(plp)2527-10 b setting output voltage (v out ): serial number for voltage setting from 001 stepwise setting with a step of 0.1v in t he range of 1.5v to 4.0v is possible. c designation of mask option a: active high, without auto di scharge function* at off state. b: active high, with auto discharge function* at off state. d designation of taping type: ex. tr (refer to taping specifications ; tr type is the standard direction.) e designation of composition of pin plating: -f : lead free solder plating (son-8) none : au plating (dfn(plp)2527-10) *) when the mode is into standby with ce signal, auto discharge transistor turns on, and it makes the turn-off speed faster than normal type.
r5324x 4 pin configurations ? son-8 ? dfn (plp) 2527-10 8 7 6 5 1 2 3 4 5 6 7 8 4 321 ? ? ? bottom view top view top view 6 10 7 8 9 5 14 3 2 bottom view 10 6 9 8 7 1 5 2 3 4 pin descriptions ? son-8 pin no symbol pin description 1 v dd input pin 2 ce1 chip enable pin 1 3 ce2 chip enable pin 2 4 ce3 chip enable pin 3 5 gnd ground pin 6 v out3 output pin 3 7 v out2 output pin 2 8 v out1 output pin 1 *) tab in the parts have gnd level. (they are connected to the back side of this ic.) do not connect to other wires or land patterns. ? dfn(plp)2527-10 pin no symbol pin description 1 v dd input pin 2 v dd input pin 3 ce1 chip enable pin 1 4 ce2 chip enable pin 2 5 ce3 chip enable pin 3 6 gnd ground pin 7 nc no connection 8 v out3 output pin 3 9 v out2 output pin 2 10 v out1 output pin 1 *) tab in the parts have gnd level. (they are connected to the back side of this ic.) do not connect to other wires or land patterns. both v dd pins must be connected each other at same level as short as possible.
r5324x 5 absolute maximum ratings symbol item rating unit v in input voltage 6.5 v ce input voltage (ce pin) -0.3 to 6.5 v v out output voltage -0.3 to v in +0.3 v i out1 output current (v out1 ) 230 ma i out2 output current (v out2 ) 180 ma i out3 output current (v out3 ) 180 ma power dissipation (son-8)* 480 p d power dissipation (dfn(plp)2527-10)* 910 mw topt operating temperature range -40 to 85 c tstg storage temperature range -55 to 125 c ? ) for power dissipation, please refer to package information to be described. absolute maximum ratings electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent damages and may degrade the life time and safe ty for both device and sy stem using the device in the field. the functional operation at or over these absolute maximum ratings is not assured.
r5324x 6 electrical characteristics ? r5324xxxxa/b vr1 topt = 25 c symbol item conditions min. typ. max. unit v out output voltage v in ? v out = 1.0v 1ma < = < = 0.98 1.02 v i out output current v in ? v out = 1.0v 200 ma v out / i out load regulation v in ? v out = 1.0v, 1ma < = < = = 1.5v 0.36 0.65 v out = 1.6v 0.34 0.58 v out = 1.7v 0.33 0.56 1.8v < = < = < = < = = 200ma 2.8v < = < = ? v out = 1.0v 90 140 a i standby standby current v in ? v out = 1.0v, v ce = gnd 0.1 1.0 a v out / v in line regulation i out = 30ma, v out +0.5v < = < = < = < = < = = 1khz 70 f = 10khz 65 rr ripple rejection sinusoidal ripple 0.5vp-p v in ? v out =1.0v, i out =30ma ? v out < = ? v out = 1.2v, i out =30ma f = 10khz (v out > = 2.5v) 60 db v in input voltage 2 6 v v out / t opt output voltage temperature coefficient i out = 30ma ? 40 c < = < = c 100 ppm / c i lim short current limit v out = 0v 50 ma r pd ce pull-down resistance 0.7 2.0 5.0 m v ceh ce input voltage "h" 1.5 6.0 v v cel ce input voltage "l" 0 0.3 v en output noise bw = 10hz to 100khz 30 vrms r low on resistance of nch tr. for auto-discharge (applied to b version) v ce = 0v 50 recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r5324x 7 vr2 topt = 25 c symbol item conditions min. typ. max. unit v out output voltage v in ? v out = 1.0v 1ma < = < = 0.98 1.02 v i out output current v in ? v out = 1.0v 150 ma v out / i out load regulation v in ? v out = 1.0v 1ma < = < = = 1.5v 0.34 0.60 v out = 1.6v 0.32 0.56 v out = 1.7v 0.31 0.53 1.8v < = < = < = < = = 150ma 2.8v < = < = ? v out = 1.0v 90 120 a i standby standby current v in ? v out = 1.0v, v ce = gnd 0.1 1.0 a v out / v in line regulation i out = 30ma, v out +0.5v < = < = < = < = < = = 1khz 70 f = 10khz 65 rr ripple rejection sinusoidal ripple 0.5vp-p v in ? v out =1.0v, i out =30ma ? v out < = ? v out = 1.2v, i out =30ma f = 10khz (v out > = 2.5v) 60 db v in input voltage 2 6 v v out / t opt output voltage temperature coefficient i out = 30ma ? 40 c < = < = c 100 ppm / c i lim short current limit v out = 0v 40 ma r pd ce pull-down resistance 0.7 2.0 5.0 m v ceh ce input voltage "h" 1.5 6.0 v v cel ce input voltage "l" 0 0.3 v en output noise bw = 10hz to 100khz 30 vrms r low on resistance of nch tr. for auto-discharge (applied to b version) v ce = 0v 50 recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r5324x 8 vr3 topt = 25 c symbol item conditions min. typ. max. unit v out output voltage v in ? v out = 1.0v 1ma < = < = 0.98 1.02 v i out output current v in ? v out = 1.0v 100 ma v out / i out load regulation v in ? v out = 1.0v 1ma < = < = = 1.5v 0.24 0.44 v out = 1.6v 0.22 0.40 v out = 1.7v 0.21 0.38 1.8v < = < = < = < = = 100ma 2.8v < = < = ? v out = 1.0v 90 120 a i standby standby current v in ? v out = 1.0v, v ce = gnd 0.1 1.0 a v out / v in line regulation i out = 30ma, v out +0.5v < = < = < = < = < = = 1khz 70 f = 10khz 65 rr ripple rejection sinusoidal ripple 0.5vp-p v in ? v out =1.0v, i out =30ma ? v out < = ? v out = 1.2v, i out =30ma f = 10khz (v out > = 2.5v) 60 db v in input voltage 2 6 v v out / t opt output voltage temperature coefficient i out = 30ma ? 40 c < = < = c 100 ppm / c i lim short current limit v out = 0v 40 ma r pd ce pull-down resistance 0.7 2.0 5.0 m v ceh ce input voltage ?h? 1.5 6.0 v v cel ce input voltage ?l? 0 0.3 v en output noise bw = 10hz to 100khz 30 vrms r low on resistance of nch tr. for auto-discharge (applied to b version) v ce = 0v 50 recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r5324x 9 operation r5324xxxxa error amp. vref current limit v dd ce1 ce2 ce3 v out1 v out2 v out3 gnd r1_1 r2_1 error amp. vref current limit r1_2 r2_2 error amp. vref current limit r1_3 r2_3 fluctuation of each regulator?s output voltage, or v out1 , v out2 , v out3 is detected individually. then it is put back to an error amplifier through feedbac k resistors, or r1_1, r2_1, r1_2, r2_2, r1_3, r2_3 and compared with a reference voltage and compensated for the result and make a constant voltage. in each regulator, short protection is made with a current limit circuit and stand-by m ode is available by a chip enable circuit.
r5324x 10 typical application c1 r5324x series v dd v out1 ce3 gnd i out1 c4 c3 c2 i out2 i out3 ce1 v out2 ce2 v out3 (external components) output capacitor : ceramic 1.0 f or more technical notes when using these ics, consider the following points: phase compensation in these ics, phase compensation is made for securing st able operation even if the load current is varied. for this purpose, use a capacitor c2, c3 and c4 with 1.0 f or more. if a tantalum capacitor is used, and its esr (equivalent se ries resistance) of c2, c3 and c4 is large, the loop oscillation may result. because of this, select c2, c3 and c4 carefully considering its frequency characteristics. pcb layout make v dd and gnd lines sufficient. if their impedance is hi gh, noise pickup or unstable operation may result. connect a capacitor c1 with a capacitance value as much as 1.0 f or more between v dd and gnd pin, and as close as possible to the pins. set external components, especially the output capacitor c2, c3 and c4 as close as possible to the ics, and make wiring as short as possible.
r5324x 11 test circuit in c1=c2=c3=c4=ceramic 1.0 f c1 r5324x series v dd v out1 ce3 gnd i out1 c4 c3 c2 i out2 i out3 ce1 v out2 ce2 v out3 basic test circuit i ss in c1 r5324x series v dd v out1 ce3 gnd c4 c3 c2 ce1 v out2 ce2 v out3 c1=c2=c3=c4=ceramic 1.0 f test circuit for supply current in r5324x series v dd v out1 ce3 gnd i out1 c3 c2 c1 i out2 i out3 ce1 v out2 ce2 v out3 p. g. c1=c2=c3=ceramic 1.0 f test circuit for ripple reject ion, input transient response
r5324x 12 i out1a i out1b i out2a i out2b i out3a i out3b in c1 r5324x series v dd v out1 ce3 gnd c4 c3 c2 ce1 v out2 ce2 v out3 c1=c2=c3=c4=ceramic 1.0 f test circuit for load transient response
r5324x 13 typical characteristics 1) output voltage vs. output current (topt = 25 c) 1.5v (vr1) 1.5v (vr2/vr3) 1.6 1.2 1.4 0.8 1.0 0.4 0.6 0.0 0.2 output current i out (ma) output voltage v out (v) 0 200 100 400 300 500 v in =1.8v v in =2.0v v in =2.5v v in =3.5v 1.6 1.2 1.4 0.8 1.0 0.4 0.6 0.0 0.2 output current i out (ma) output voltage v out (v) 0 200 100 400 300 500 v in =1.8v v in =2.0v v in =2.5v v in =3.5v 2.8v (vr1) 2.8v (vr2/vr3) 3.0 2.5 2.0 1.0 1.5 0.0 0.5 output current i out (ma) output voltage v out (v) 0 200 100 400 300 500 v in =3.1v v in =3.3v v in =3.8v v in =4.8v 3.0 2.5 2.0 1.0 1.5 0.0 0.5 output current i out (ma) output voltage v out (v) 0 200 100 400 300 500 v in =3.3v v in =3.8v v in =4.8v v in =3.1v 4.0v (vr1) 4.0v (vr2/vr3) 5 3 4 1 2 0 output current i out (ma) output voltage v out (v) 0 200 100 400 300 500 v in =5.0v v in =4.3v v in =4.5v v in =6.0v 5 3 4 1 2 0 output current i out (ma) output voltage v out (v) 0 200 100 400 300 500 v in =5.0v v in =4.3v v in =4.5v v in =6.0v
r5324x 14 2) output voltage vs. input voltage (topt = 25 c) 1.5v (vr1) 1.5v (vr2/vr3) 1.6 1.3 1.4 1.5 1.1 1.2 1.0 input voltage v in (v) output voltage v out (v) 13 25 46 1ma 30ma 50ma 1.6 1.3 1.4 1.5 1.1 1.2 1.0 input voltage v in (v) output voltage v out (v) 13 25 46 1ma 30ma 50ma 2.8v (vr1) 2.8v (vr2/vr3) 2.9 2.8 2.3 2.4 2.6 2.5 2.7 2.1 2.2 2.0 input voltage v in (v) output voltage v out (v) 13 25 46 1ma 30ma 50ma 2.9 2.8 2.3 2.4 2.6 2.5 2.7 2.1 2.2 2.0 input voltage v in (v) output voltage v out (v) 13 25 46 1ma 30ma 50ma 4.0v (vr1) 4.0v (vr2/vr3) 4.2 3.4 3.6 4.0 3.8 3.2 3.0 input voltage v in (v) output voltage v out (v) 13 25 46 1ma 30ma 50ma 4.2 3.4 3.6 4.0 3.8 3.2 3.0 input voltage v in (v) output voltage v out (v) 13 25 46 1ma 30ma 50ma
r5324x 15 3) dropout voltage vs. output current 1.5v (vr1) 1.5v (vr2) 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 075 50 25 150 175 125 100 200 85?c 25?c -40?c 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 075 50 25 125 100 150 85?c 25?c -40?c 1.5v (vr3) 1.6v (vr1) 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 025 75 50 100 85?c 25?c -40?c 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 075 50 25 150 175 125 100 200 85?c 25?c -40?c 1.6v (vr2) 1.6v (vr3) 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 075 50 25 125 100 150 85?c 25?c -40?c 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 025 75 50 100 85?c 25?c -40?c
r5324x 16 1.7v (vr1) 1.7v (vr2) 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 075 50 25 150 175 125 100 200 85?c 25?c -40?c 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 075 50 25 125 100 150 85?c 25?c -40?c 1.7v (vr3) 1.8v (vr1) 0.5 0.1 0.2 0.4 0.3 0.0 output current i out (ma) dropout voltage v dif (v) 025 75 50 100 85?c 25?c -40?c 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 075 50 25 150 175 125 100 200 85?c 25?c -40?c 1.8v (vr2) 1.8v (vr3) 0.40 0.10 0.15 0.20 0.35 0.30 0.25 0.00 0.05 output current i out (ma) dropout voltage v dif (v) 075 50 25 125 100 150 85?c 25?c -40?c 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 025 75 50 100 85?c 25?c -40?c
r5324x 17 2.1v (vr1) 2.1v (vr2) 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 075 50 25 150 175 125 100 200 85?c 25?c -40?c 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 075 50 25 125 100 150 85?c 25?c -40?c 2.1v (vr3) 2.8v (vr1) 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 85?c 25?c -40?c 025 75 50 100 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 075 50 25 150 175 125 100 200 85?c 25?c -40?c 2.8v (vr2) 2.8v (vr3) 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 075 50 25 125 100 150 85?c 25?c -40?c 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 025 75 50 100 85?c 25?c -40?c
r5324x 18 4.0v (vr1) 4.0v (vr2) 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 075 50 25 150 175 125 100 200 85?c 25?c -40?c 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 075 50 25 125 100 150 85?c 25?c -40?c 4.0v (vr3) 0.40 0.10 0.05 0.20 0.15 0.35 0.30 0.25 0.00 output current i out (ma) dropout voltage v dif (v) 85?c 25?c -40?c 025 75 50 100 4) output voltage vs. temperature (i out =30ma) 1.5v (vr1) v in =2.5v 1.5v (vr2/vr3) v in =2.5v 1.54 1.48 1.47 1.50 1.49 1.53 1.52 1.51 1.46 temperature topt(?c) output voltage v out (v) -50 -25 0 75 50 25 100 1.54 1.48 1.47 1.50 1.49 1.53 1.52 1.51 1.46 temperature topt(?c) output voltage v out (v) -50 -25 0 75 50 25 100
r5324x 19 2.8v (vr1) v in =3.8v 2.8v (vr2/vr3) v in =3.8v 2.86 2.78 2.76 2.82 2.80 2.84 2.74 temperature topt(?c) output voltage v out (v) -50 -25 0 75 50 25 100 2.86 2.78 2.76 2.82 2.80 2.84 2.74 temperature topt(?c) output voltage v out (v) -50 -25 0 75 50 25 100 4.0v (vr1) v in =5.0v 4.0v (vr2/vr3) v in =5.0v 4.08 3.98 3.96 3.94 4.02 4.04 4.00 4.06 3.92 temperature topt(?c) output voltage v out (v) -50 -25 0 75 50 25 100 4.08 3.98 3.96 3.94 4.02 4.04 4.00 4.06 3.92 temperature topt(?c) output voltage v out (v) -50 -25 0 75 50 25 100 5) supply current vs. input voltage (topt=25 c) 1.5v 2.8v 100 60 40 20 80 0 input voltage v in (v) supply current i ss ( a) 012 5 4 36 vr1 vr2/3 100 60 40 20 80 0 input voltage v in (v) supply current i ss ( a) 012 5 4 36 vr1 vr2/3
r5324x 20 4.0v 100 60 40 20 80 0 input voltage v in (v) supply current i ss ( a) 012 5 4 36 vr1 vr2/3 6) supply current vs. temperature 1.5v (vr1) v in =2.5v 1.5v (vr2/vr3) v in =2.5v 100 60 40 20 80 0 temperature topt(?c) supply current i ss ( a) -50 -25 0 75 50 25 100 100 60 40 20 80 0 temperature topt(?c) supply current i ss ( a) -50 -25 0 75 50 25 100 2.8v (vr1) v in =3.8v 2.8v (vr2/vr3) v in =3.8v 100 60 40 20 80 0 temperature topt(?c) supply current i ss ( a) -50 -25 0 75 50 25 100 100 60 40 20 80 0 temperature topt(?c) supply current i ss ( a) -50 -25 0 75 50 25 100
r5324x 21 4.0v (vr1) v in =5.0v 4.0v (vr2/vr3) v in =5.0v 100 60 40 20 80 0 temperature topt(?c) supply current i ss ( a) -50 -25 0 75 50 25 100 100 60 40 20 80 0 temperature topt(?c) supply current i ss ( a) -50 -25 0 75 50 25 100 7) dropout voltage vs. set output voltage (topt = 25 c) vr1 vr2 0.6 0.5 0.3 0.2 0.1 0.4 0 set output voltage vreg(v) dropout voltage v dif (v) 1234 10ma 30ma 50ma 100ma 150ma 200ma 0.6 0.5 0.3 0.2 0.1 0.4 0 set output voltage vreg(v) dropout voltage v dif (v) 1234 10ma 30ma 50ma 100ma 150ma vr3 0.6 0.5 0.3 0.2 0.1 0.4 0 set output voltage vreg(v) dropout voltage v dif (v) 1234 10ma 30ma 50ma 100ma
r5324x 22 8) ripple rejection vs. frequency (topt = 25 c, c out = ceramic 1.0 f) 1.5v (vr1) v in =2.7v dc +0.5vp-p 1.5v (vr1) (i out3 dependence) v in =2.7v dc +0.5vp-p 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out1 =1ma i out1 =30ma i out1 =200ma 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out3 =1ma i out3 =30ma i out3 =100ma 1.5v (vr2) v in =2.7v dc +0.5vp-p 1.5v (vr3) v in =2.7v dc +0.5vp-p 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out =1ma i out =30ma i out =150ma 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out3 =1ma i out3 =30ma i out3 =100ma 2.8v (vr1) v in =3.8v dc +0.5vp-p 2.8v (vr1) (i out3 dependence) v in =3.8v dc +0.5vp-p 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out1 =1ma i out1 =30ma i out1 =200ma 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out3 =1ma i out3 =30ma i out3 =100ma
r5324x 23 2.8v (vr2) v in =3.8v dc +0.5vp-p 2.8v (vr3) v in =3.8v dc +0.5vp-p 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out =1ma i out =30ma i out =150ma 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out3 =1ma i out3 =30ma i out3 =100ma 4.0v (vr1) v in =5.0v dc +0.5vp-p 4.0v (vr1) (i out3 dependence) v in =5.0v dc +0.5vp-p 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out1 =1ma i out1 =30ma i out1 =200ma 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out3 =1ma i out3 =30ma i out3 =100ma 4.0v (vr2) v in =5.0v dc +0.5vp-p 4.0v (vr3) v in =5.0v dc +0.5vp-p 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out =1ma i out =30ma i out =150ma 90 50 60 70 80 30 20 10 40 0 frequency f(khz) ripple rejection rr(db) 0.1 1 10 100 i out3 =1ma i out3 =30ma i out3 =100ma
r5324x 24 9) ripple rejection vs. dc input bias (topt=25 c, c out =1.0 f) 2.8v (vr1) i out =1ma 2.8v (vr1) i out =30ma 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz 2.8v (vr1) i out =50ma 2.8v (vr2) i out =1ma 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz 2.8v (vr2) i out =30ma 2.8v (vr2) i out =50ma 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz
r5324x 25 2.8v (vr3) i out =1ma 2.8v (vr3) i out =30ma 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz 2.8v (vr3) i out =50ma 100 90 50 60 70 80 30 20 10 40 0 input voltage v in (v) ripple rejection rr(db) 2.9 3.1 3.0 3.2 3.3 f=0.1khz 1khz 10khz 100khz
r5324x 26 10) line transient response (i out = 30ma, c in = none, tr = tf = 5 s, c out = ceramic 1 f) 2.8v(vr1) 020 10 30 40 50 60 70 80 90 100 2.85 2.84 2.83 2.82 2.81 2.79 2.80 6 5 4 3 2 0 1 time t( s) output voltage v out (v) input voltage v in (v) input voltage output voltage 2.8v(vr2) 020 10 30 40 50 60 70 80 90 100 2.85 2.84 2.83 2.82 2.81 2.79 2.80 6 5 4 3 2 0 1 time t( s) output voltage v out (v) input voltage v in (v) input voltage output voltage 2.8v(vr3) 020 10 30 40 50 60 70 80 90 100 2.85 2.84 2.83 2.82 2.81 2.79 2.80 6 5 4 3 2 0 1 time t( s) output voltage v out (v) input voltage v in (v) input voltage output voltage
r5324x 27 11) load transient response (c in = ceramic 1.0 f, c out = ceramic 1.0 f) r5324d001x r5324d001x 2.80 2.85 2.75 2.80 2.85 150 0 50 100 2.75 2.85 2.80 2.75 time t( s) output voltage v out (v) output current i out1 (ma) 0 5 10 15 20 i out1 v out1 v out2 i out2 =30ma i out3 =30ma v out3 2.90 2.95 2.80 2.85 2.75 2.80 2.85 150 0 50 100 2.75 2.85 2.80 2.75 time t( s) output voltage v out (v) output current i out2 (ma) 0 5 10 15 20 i out2 v out1 v out2 i out1 =30ma i out3 =30ma v out3 2.90 2.95 r5324d001x 2.80 2.85 2.75 2.80 2.85 2.90 2.95 150 0 50 100 2.75 2.85 2.80 2.75 time t( s) output voltage v out (v) output current i out3 (ma) 0 5 10 15 20 i out3 v out1 v out2 i out1 =30ma i out2 =30ma v out3
r5324x 28 esr vs. output current when using these ics, consider the following points: the relations between i out (output current) and esr of an output capacitor are shown below. the conditions when the white noise level is under 40 v (avg.) are marked as the hatched area in the graph. measurement conditions frequency band : 10hz to 2mhz temperature : ? 40 c to 85 c 1.5v(vr1) 1.5v(vr2) 100 10 1 0.1 0.01 output current i out (ma) 0 50 100 150 200 esr ( ) 100 10 1 0.1 0.01 output current i out (ma) 0 50 100 150 esr ( ) 1.5v(vr3) 2.8v(vr1) 100 10 1 0.1 0.01 output current i out (ma) 0 20406080100 esr ( ) 100 10 1 0.1 0.01 output current i out (ma) 0 50 100 150 200 esr ( )
r5324x 29 2.8v(vr2) 2.8v(vr3) 100 10 1 0.1 0.01 output current i out (ma) 0 50 100 150 esr ( ) 100 10 1 0.1 0.01 output current i out (ma) 0 20406080100 esr ( )

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