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ETR0328_004
GENERAL DESCRIPTION
The XC6221 series are precise, low noise, high speed, low dropout regulators. They are fabricated using Torex's CMOS process. Performance features of the series include high ripple rejection and low dropout voltage, and the series include a reference voltage source, an error amplifier, a current limiter, and a phase compensation circuit. The CE function enables the circuit to be in stand-by mode by inputing L level signal. In the stand-by mode, the series enables the electric charge at the output capacitor (CL) to be discharged via the internal auto-discharge resistance, and as a result the VOUT pin quickly returns to the VSS level. The series' output stabilization capacitor (CL) is also compatible with low ESR ceramic capacitors. Output voltage is selectable in 50mV increments within a range of 0.8V~4.0V, using laser trimming technologies. The current limiter's foldback circuit also operates as a short circuit protection for the output current limiter and the output pin. The series achieves a great response with only 25 A of low power consumption. Also the series has low dropout voltage characteristics, which is 80mA at IOUT=100mA and VOUT(T)=3.0V. With the use of ultra small package, USP-4 package, a small footprint circuit can be designed.
Cellular phones
APPLICATIONS
FEATURES
Output Current Dropout Voltage Operating Voltage Range Output Voltage Setting Range Accuracy : 200mA : 80mV@ IOUT=100mA, VOUT(T)=3.0V : 1.6V ~ 6.0V : 0.8V~4.0V (50mV increments) : +2% (VOUT >1.5V) (+1% Possible) +30mV (VOUT 1.45V) (+20mV Possible) : 25 A (TYP.) : Less than 0.1 A : 70dB @ 1kHz : -40 ~85 : 1.0 F ceramic capacitor compatible
Cordless phones Wireless communication equipment Portable games Cameras, VCRs Portable AV equipment PDAs
Low Power Consumption Stand-by Current High Ripple Rejection Operating Temperature Range Low ESR Capacitor
CMOS CL High-Speed Auto-Discharge (XC6221B) Low Output Noise Ultra Small Packages : USP-4, SOT-25, SSOT-24
TYPICAL APPLICATION CIRCUIT
TYPICAL PERFORMANCE CHARACTERISTICS
Load Transient Response
XC6221x182 VIN=CE=2.8V, Tr=Tf=5us Topr=25, CIN=CL=1uF (ceramic) Output Voltage 1.8 Output Voltage: V OUT (V) 1.7 1.6 Output Current 1.5 1.4 1.3 Time (500us/div) 100 50 0 250 200 Output Current: OUT (mA) I
1.9
300
150
1/23
XC6221 Series
PIN CONFIGURATION
USP-4 (BOTTOM VIEW)
SOT-25 (TOP VIEW)
SSOT-24 (TOP VIEW)
*The heat dissipation pad of the USP-4 package is recommended to solder as the recommended mount pattern and metal mask pattern for mounting strength. The mount pattern should be electrically opened or connected to the VSS (#2) pin.
PIN ASSIGNMENT
PIN NUMBER USP-4 4 1 2 3 SOT-25 1 5 2 3 4 SSOT-24 4 3 2 1 PIN NAME VIN VOUT VSS CE NC FUNCTIONS Power Input Output Ground ON/OFF Control No Connection
2/23
XC6221
Series
PRODUCT CLASSIFICATION
Ordering Information XC6221 DESIGNATOR DESCRIPTION Type of Regulator Output Voltage SYMBOL A B 08 ~ 40 DESCRIPTION : CE High Active, no CL discharge resistor : CE High Active, with CL discharge resistor : ex.) VOUT(T) = 3.0V = 3, =0 : 100mV increments, When 0.8V VOUT(T) 1.40V: VOUT(T)+30mV ex.) 0.8V =0, =8, =2 : 100mV increments, When VOUT(T)>1.5V: +2% ex.) 1.5V =1, =5, =2 : 50mV increments, When 0.85V VOUT(T) 1.45V: VOUT(T)+30mV ex.) 0.85V =0, =8, =A : 50mV increments, When VOUT(T)>1.55V: +2% ex.) 1.55V =1, =5, =A : 100mV increments, When 0.8V VOUT(T) 1.90V: VOUT(T)+20mV ex.) 0.8V =0, =8, =1 : 100mV increments, When VOUT(T)>2.0V: +1% ex.) 2.0V =2, =0, =1 : 50mV increments, When 0.85V VOUT(T) 1.95V: VOUT(T)+20mV ex.) 0.85V =0, =8, =B : 50mV increments, When VOUT(T)>2.0V: +1% ex.) 2.05V =2, =0, =B : USP-4 : SOT-25 : SSOT-24 : Embossed tape, standard feed : Embossed tape, reverse feed
2
A Output Accuracy 1
B
G Packages M N Device Orientation R L
3/23
XC6221 Series
BLOCK DIAGRAMS
XC6221A Series XC6221B Series
*Diodes inside the circuit are an ESD protection diode and a parasitic diode.
ABSOLUTE MAXIMUM RATINGS
PARAMETER Input Voltage Output Current Output Voltage CE Input Voltage Power Dissipation USP-4 SOT-25 SSOT-24 Operating Temperature Range Storage Temperature Range SYMBOL VIN IOUT VOUT VCE Pd Topr Tstg RATINGS VSS -0.3 ~ +6.5 400(*1) VSS - 0.3 ~ VIN + 0.3 VSS - 0.3 ~ +6.5 120 250 150 - 40 ~ + 85 - 55 ~ +125
Ta=25 UNITS V mA V V mW
*1: IOUT=Less than Pd / (VIN-VOUT)
4/23
XC6221
Series
ELECTRICAL CHARACTERISTICS
XC6221A/B series
PARAMETER Output Voltage (Standard) SYMBOL VOUT(E)
(* 2)
Ta=25 CONDITIONS VOUT(T)>1.5V, VCE=VIN, IOUT=10mA VOUT<1.45V, VCE=VIN, IOUT=10mA VOUT(E)
(* 2)
MIN. x 0.98
(*3)
TYP. VOUT(T)
(*4)
MAX. x 1.02
(*3)
UNITS CIRCUIT V 1
-0.03
(*3)
+0.03
(*3)
Output Voltage (High Accuracy) Output Current Load Regulation Dropout Voltage (*5) Supply Current Standby Current
VOUT(T)>2.0V, VCE=VIN, IOUT=10mA VOUT(T)<1.95V, VCE=VIN, IOUT=10mA
x 0.99
(*3)
x 1.01 VOUT(T)
(*4) (*3)
-0.02
(*3)
+0.02
(*3)
V
1
IOUTMAX VOUT Vdif ISS ISTBY
VCE=VIN, VIN=VOUT(T)+1.0V, 0.8V200 -
250 10 E-2
40
mA mV mV
1 1 1 2 2
-
25 0.01
50 0.10
A A
Line Regulation Input Voltage Output Voltage Temperature Characteristics
Ripple Rejection Rate
VOUT(T)+0.5VVIN6.0V VOUT VOUT(T)1.1V, VCE=VIN, IOUT=10mA VIN VOUT 1.6VVIN6.0V VOUT(T)1.05V, VCE=VIN, IOUT=10mA VIN VCE=VIN, VOUT Ta VOUT IOUT=30mA, -40 1.6 -
0.01 100
0.20 6.0 -
%/V V ppm/
1 1 1
-
70
-
dB
3
Limit Current Short Current CE High Level Voltage CE Low Level Voltage CE High Level Current CE Low Level Current CL Auto-Discharge Resistance (* 8)
200 1.2 -0.1 -
250 30 -0.1 780
6.0 0.3 0.1 -
mA mA V V A A
1 1 4 4 4 4 1
NOTE: * 1: Unless otherwise stated regarding input voltage conditions, VIN=VOUT(T) 1.0V. * 2: VOUT(E) = Effective output voltage (Refer to the voltage chart E-0 and E-1) (I.e. the output voltage when HS mode and an amply stabilized "VOUT(T) 1.0V" is provided at the VIN pin while maintaining a certain IOUT value.) * 3: The rated value of the setting output voltage VOUT(E) is shown in voltage chart E-0 and E-1. * 4: VOUT (T) = Specified output voltage (*7) (*6) * 5: Vdif={VIN1 -VOUT1 } * 6: VOUT1=A voltage equal to 98% of the output voltage whenever an amply stabilized IOUT {VOUT(T)+1.0V} is input in the HS mode. * 7: VIN1=The input voltage when VOUT1 appears as input voltage is gradually decreased. * 8: For the XC6221B series only. The XC6221A series discharges by resistors R1 and R2 only as shown in the block diagrams.
5/23
XC6221 Series
OUTPUT VOLTAGE CHART
SYMBOL SETTING OUTPUT VOLTAGE (V) VOUT(T)
0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.85 2.90 2.95
E-0 OUTPUT VOLTAGE Standard +2% (V) VOUT(E) MIN.
0.7700 0.8200 0.8700 0.9200 0.9700 1.0200 1.0700 1.1200 1.1700 1.2200 1.2700 1.3200 1.3700 1.4200 1.4700 1.5200 1.5700 1.6200 1.6700 1.7200 1.7700 1.8200 1.8700 1.9200 1.9600 2.0090 2.0850 2.1070 2.1560 2.2050 2.2540 2.3030 2.3520 2.4010 2.4500 2.4990 2.5480 2.5970 2.6460 2.6950 2.7440 2.7930 2.8420 2.8910
E-1 OUTPUT VOLTAGE High Accuracy +1% (V) VOUT(E) MAX.
0.8300 0.8800 0.9300 0.9800 1.0300 1.0800 1.1300 1.1800 1.2300 1.2800 1.3300 1.3800 1.4300 1.4800 1.5300 1.5800 1.6300 1.6800 1.7300 1.7800 1.8300 1.8800 1.9300 1.9800 2.0400 2.0910 2.1420 2.1930 2.2440 2.2950 2.3460 2.3970 2.4480 2.4990 2.5500 2.6010 2.6520 2.7030 2.7540 2.8050 2.8560 2.9070 2.9580 3.0090
E-2 DROPOUT VOLTAGE Vdif (mV) Vdif MAX.
0.8200 0.8700 0.9200 0.9700 1.0200 1.0700 1.1200 1.1700 1.2200 1.2700 1.3200 1.3700 1.4200 1.4700 1.5200 1.5700 1.6200 1.6700 1.7200 1.770 1.8200 1.8700 1.9200 1.9700 2.0200 2.0705 2.1210 2.1715 2.2220 2.2725 2.3230 2.3735 2.4240 2.4745 2.5250 2.5755 2.6260 2.6765 2.7270 2.7775 2.8280 2.8785 2.9290 2.9795 95 170 115 195 125 210 160 250 200 160 360 290 230 410 330 650
MIN.
0.7800 0.8300 0.8800 0.9300 0.9800 1.0300 1.0800 1.1300 1.1800 1.2300 1.2800 1.3300 1.3800 1.4300 1.4800 1.5300 1.5800 1.6300 1.6800 1.7300 1.7800 1.8300 1.8800 1.9300 1.9800 2.0295 2.0790 2.1285 2.1780 2.2275 2.2770 2.3265 2.3760 2.4255 2.4750 2.5245 2.5740 2.6235 2.6730 2.7225 2.7720 2.8215 2.8710 2.9205
TYP.
500 410
MAX.
850 750
6/23
XC6221
Series
OUTPUT VOLTAGE CHART (Continued)
SYMBOL SETTING OUTPUT VOLTAGE (V) VOUT(T)
3.00 3.05 3.10 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90 3.95 4.00
E-0 OUTPUT VOLTAGE Standard +2% (V) VOUT(E) MIN.
2.9400 2.8990 3.0380 3.0870 3.1360 3.1850 3.2340 3.2830 3.3320 3.3810 3.4300 3.4790 3.5280 3.5770 3.6260 3.6750 3.7240 3.7730 3.8220 3.8710 3.9200
E-1 OUTPUT VOLTAGE High Accuracy +1% (V) VOUT(E) MAX.
3.0600 3.1100 3.1620 3.2130 3.2640 3.3150 3.3660 3.4170 3.4680 3.5190 3.5700 3.6210 3.6720 3.7230 3.7740 3.8250 3.8760 3.9270 3.9780 4.0290 4.0800
E-2 DROPOUT VOLTAGE Vdif (mV)
Vdif
MIN.
2.9700 3.0195 3.0690 3.1185 3.1680 3.2175 3.2670 3.3165 3.3660 3.4155 3.4650 3.5145 3.5640 3.6135 3.6630 3.7125 3.7620 3.8115 3.8610 3.9105 3.9600
MAX.
3.0300 3.0805 3.1310 3.1815 3.2320 3.2825 3.3330 3.3835 3.4340 3.4845 3.5350 3.5855 3.6360 3.6855 3.7370 3.7875 3.8380 3.8885 3.9390 3.9895 4.0400
TYP.
MAX.
80
140
7/23
XC6221 Series
OPERATIONAL EXPLANATION
The voltage divided by resistors R1 & R2 is compared with the internal reference voltage by the error amplifier. The P-channel MOSFET, which is connected to the VOUT pin, is then driven by the subsequent output signal. The output voltage at the VOUT pin is controlled & stabilized by a system of negative feedback. The current limit circuit 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 signal.
CE
ON/OFF Control
VIN
CE CE/
Error Amp
Current Limit
+
each circuit
R1 Rdischg
VOUT
CE/
R2
Voltage Reference
VSS
With the XC6221 series, a stable output voltage is achievable even if used with low ESR capacitors, as a phase compensation circuit is built-in. Values required for the phase compensation are as the chart below. In order to ensure the stable phase compensation while avoiding run-out of values, please use the capacitor, which does not depend on bias or temperature too much. For a stable power input, please connect an input capacitor (CIN) of 1.0 F between the VIN pin and the VSS pin. SETTING OUTPUT VOLTAGE (V) 0.8 ~ 1.15 1.2 ~ 1.35 1.4 ~ 4.0 OUTPUT CAPACITOR VALUE CL=4.7uF CL=2.2uF CL=1.0uF
XC6221B series can discharge the electric charge in the output capacitor (CL), when a low signal to the CE pin, which enables a whole IC circuit turn off, is inputted via the N-channel transistor located between the VOUT pin and the VSS pin (cf. BLOCK DIAGRAM). The CL auto-discharge resistance value is set at 780 (VOUT=4.0V @ VIN=6.0V at typical). The discharge time of the output capacitor (CL) is set by the CL auto-discharge resistance (R) and the output capacitor (CL). By setting time constant of a CL auto-discharge resistance value [Rdischg] and an output capacitor value (CL) as ( =C x Rdischg), the output voltage after discharge via the N-channel transistor is calculated by the following formulas. V = VOUT(E) x e -t/ , or t= In ( V / VOUT(E) ) ( V : Output voltage after discharge, VOUT(E) : Output voltage, t: Discharge time, : CL auto-discharge resistance Rdischg Output capacitor (CL) value C)
8/23
XC6221
Series
OPERATIONAL EXPLANATION (Continued)
The XC6221 series' foldback circuit operates as an output current limiter and a short protection of the output pin. When the load current reaches the current limit level, the fixed current limiter circuit operates and output voltage drops. When the output pin is shorted to the VSS level, a current of about 30mA flows. The IC's internal circuitry can be shutdown via the signal from the CE pin with the XC6221 series. In shutdown mode, output at the VOUT pin will be pulled down to the VSS level via R1 & R2. However, as for the XC6221B series, the CL auto-discharge resistor is connected in parallel to R1 and R2 while the power supply is applied to the VIN pin. Therefore, time until the VOUT pin reaches the VSS level becomes short. The output voltage becomes unstable, when the CE pin is open. 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, supply current may increase as a result of through current in the IC's internal circuitry when medium voltage is input.
NOTES ON USE
1. Please use this IC within the stated absolute maximum ratings. The IC is liable to malfunction should the ratings be exceeded. 2. Where wiring impedance is high, operations may become unstable due to noise and/or phase lag depending on output current. Please wire the input capacitor (CIN) and the output capacitor (CL) as close to the IC as possible.
9/23
XC6221 Series
TEST CIRCUITS
Circuit 1: Output Voltage, Output Current, Dropout Voltage, Input/Operating Voltage, Line Regulation, Load Regulation, Current Limit, Short Current, CL Discharge Resistance
Circuit 2: Supply Current, Stand-by Current
Circuit 3: Ripple Rejection Rate
10/23
XC6221
Series
TEST CIRCUITS (Continued)
Circuit 4: CE "H" "L" Level Voltage, CE "H" "L" Level Current
11/23
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS
(1) Output Voltage vs. Output Current
XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) 2.4 XC6221x182 VIN=CE=2.8V CIN=CL=1.0uF (ceramic)
2.4
Output Voltage: V OUT (V)
1.2
Output Voltage: V OUT (V)
1.8
1.8
1.2
0.6
VIN=1.9V VIN=1.9V VIN=2.8V VIN=2.8V VIN=6.0V VIN=6.0V
0.6
Topr=25 Topr=-40 Topr=85
0 0 100 200 300 400 Output Current: IOUT (mA)
XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
0 0 100 200 300 400 Output Current: IOUT (mA)
XC6221x302 VIN=CE=4.0V CIN=CL=1.0uF (ceramic)
3.5 3 2.5 2 1.5 1 0.5 0 0 100 200
3.5 3 Output Voltage: V OUT (V) 2.5 2 1.5 1 0.5 0
Output Voltage: V OUT (V)
VIN=3.1V VIN=3.1V VIN=4.0V VIN=4.0V VIN=6.0V VIN=6.0V
Topr=25 Topr=-40 Topr=85
300
400
0
100
200
300
400
Output Current: IOUT (mA)
Output Current: IOUT (mA)
(2) Output Voltage vs. Input Voltage
XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) 1.9 1.85 Output Voltage: V OUT (V) 1.8 1.75 1.7 1.65 1.6 1 1.5 2 Input Voltage: V IN (V) 2.5 3 4 4.5 5 Input Voltage: V IN (V) 5.5 6 XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
2 1.9 Output Voltage: V OUT (V) 1.8 1.7 1.6 1.5 1.4
IOUT=1mA IOUT=1mA IOUT=10mA IOUT=10mA IOUT=30mA IOUT=30mA
IOUT=1mA IOUT=1mA IOUT=10mA IOUT=10mA IOUT=30mA IOUT=30mA IOUT=100mA IOUT=100mA
IOUT=100mA IOUT=100mA
12/23
XC6221
Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(2) Output Voltage vs. Input Voltage (Continued)
XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
3.2 3.1 3 2.9 2.8 2.7 2.6 2.5 2 2.5 3
3.1 3.05 Output Voltage: V OUT (V) 3 2.95 2.9 2.85 2.8
Output Voltage: V OUT (V)
IOUT=1mA IOUT=1mA IOUT=10mA IOUT=10mA IOUT=30mA IOUT=30mA
IIOUT=1mA OUT=1mA IIOUT=10mA OUT=10mA IIOUT=30mA OUT=30mA IIOUT=100mA OUT=100mA
IOUT=100mA IOUT=100mA
3.5 4 4 4.5 5
5.5
6
Input Voltage: V IN (V)
Input Voltage: V IN (V)
(3) Dropout Voltage vs. Output Current
XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) 0.4 0.35 Topr=85 Topr=25 0.25 0.2 0.15 0.1 0.05 0 0 50 100 150 200 Output Current: IOUT (mA) Topr=-40 Dropout Voltage: Vdif (V) 0.3 0.25 0.2 0.15 0.1 0.05 0 0 50 100 150 200 Output Current: IOUT (mA) Topr=85 Topr=25 Topr=-40 XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
0.4 0.35 Dropout Voltage: Vdif (V) 0.3
XC6221x182 VIN=CE=2.8V, IOUT=30mA CIN=CL=1.0uF (ceramic)
XC6221x302 VIN=CE=4.0V, IOUT=30mA CIN=CL=1.0uF (ceramic)
1.9
3.1
Output Voltage:V OUT (V)
1.85
Output Voltage: V OUT (V)
3.05
1.8
3
1.75
2.95
1.7 -50
-25
0
25
50
75
100
2.9 -50
-25
0
25
50
75
100
Ambient Temperature: Topr ( )
Ambient Temperature: Topr ( )
13/23
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(5) Supply Current vs. Input Voltage
XC6221x182 70 60 Supply Current: ISS (uA) 50 40 30 20 10 0 0 1 2 3 4 5 6 Input Voltage: V IN (V) CE=VIN, CIN=CL=1.0uF (ceramic) 70 60 Supply Current: ISS (uA) 50 40 30 20 10 0 0 1 2 3 4 5 6 Input Voltage:V IN (V) XC6221x302 CE=VIN, CIN=CL=1.0uF (ceramic)
Topr=85 Topr=25 Topr=-40
Topr=85 Topr=25 Topr=-40
(6) CL-Discharge Resistance vs. Ambient Temperature
XC6221B V IN=6.0V, CE=V SS, V OUT =4.0V CIN=CL=1.0uF (ceramic)
1200 CL-Discharge Resistance: Rdischg () 1000 800 600 400 200 0 -50
-25
0
25
50
75
100
Ambient Temperature: Topr ()
(7) Load Transient Response
XC6221x182 VIN=CE=2.8V, Tr=Tf=5us Topr=25, CIN=CL=1uF (ceramic) Output Voltage 1.8 Output Voltage: V OUT (V) 1.7 1.6 Output Current 1.5 1.4 1.3 Time (500us/div) 100 50 0 250 Output Current: OUT (mA) I 200 Output Voltage: V OUT (V) 3 2.9 2.8 Output Current 2.7 2.6 2.5 Time (500us/div) 100 50 0 XC6221x302 VIN=CE=4.0V, Tr=Tf=5us Topr=25, CIN=CL=1uF (ceramic) Output Voltage 250 200 150 Output Current: OUT (mA) I
1.9
300
3.1
300
150
14/23
XC6221
Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(8) Line Transient Response
XC6221x182 CE=V IN, Tr=Tf=5us IOUT =1mA, Topr=25, CL=1uF (ceramic) Input Voltage 4 Input Voltage: V IN (V) 3 2 Output Voltage 1 0 -1 Time (20us/div) 1.8 1.75 1.7 1.95 Output Voltage:V OUT (V) Input Voltage:V IN (V) 1.9 1.85 4 3 2 Output Voltage 1 0 -1 Time (20us/div) 1.8 1.75 1.7 XC6221x182 CE=VIN, Tr=Tf=5us IOUT=30mA, Topr=25, CL=1uF (ceramic) Input Voltage
5
2
5
2 1.95 1.9 1.85 Output Voltage: V OUT (V)
XC6221x182 CE=VIN, Tr=Tf=5us IOUT=100mA, Topr=25, CL=1uF (ceramic) 5 Input Voltage 4 Input Voltage: V IN (V) 3 2 Output Voltage 1 0 -1 Time (20us/div) 1.8 1.75 1.7 1.95 Output Voltage: V OUT (V) 1.9 1.85 Input Voltage: V IN (V) 5 4 3 2 6
XC6221x302 CE=VIN,Tr=Tf=5us IOUT=1mA, Topr=25, CL=1uF (ceramic) 3.2 Input Voltage 3.15 3.1 3.05 Output Voltage 2 1 0 Time (20us/div) 3 2.95 2.9 Output Voltage:V OUT (V)
XC6221x302 CE=VIN, Tr=Tf=5us IOUT=30mA, Topr=25, CL=1uF (ceramic) Input Voltage 5 Input Voltage: V IN (V) 4 3 Output Voltage 2 1 0 Time (20us/div) 3 2.95 2.9 3.15 Output Voltage: V OUT (V) Input Voltage: V IN (V) 3.1 3.05 5 4 3 2 1 0
XC6221x302 CE=VIN, Tr=Tf=5us IOUT=100mA, Topr=25, CL=1uF (ceramic) Input Voltage 3.15 3.1 3.05 Output Voltage 3 2.95 2.9 Time (20us/div) Output Voltage: V OUT (V)
6
3.2
6
3.2
15/23
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(9) Input Rise Characteristics
XC6221x182xx CE=VIN, Tr=5us IOUT=1mA, Topr=25, CL=1.0uF (ceramic) Input Voltage XC6221x182xx CE=VIN, Tr=5us IOUT=30mA, Topr=25, CL=1.0uF (ceramic) Input Voltage 6 Output Voltage:V OUT (V) 5 4 3 Output Voltage 2 1 0 Time (40us/div) 3 2 1 0 Output Voltage -1 -2 -3 Time (40us/div) 2 1 0 6 Output Voltage:V OUT (V)
Output Voltage: V OUT (V)
4 3 2 1 0 -1 -2 -3
7
4
7
Input Voltage: V IN (V)
Input Voltage: V IN (V)
5 4 3
XC6221x182 CE=VIN, Tr=5us IOUT=100mA, Topr=25, CL=1.0uF (ceramic) Input Voltage
XC6221x302 CE=VIN, Tr=5us IOUT=1mA, Topr=25, CL=1.0uF (ceramic) Input Voltage 6 Output Voltage: V OUT (V) 5 4 3 4 3 Input Voltage: V IN (V) 2 1 Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0 7 Output Voltage: V OUT (V)
8 7 6 5 4 Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0
4 3 2 1 0 -1 -2 -3
7
5
8
6 5 4
Input Voltage: V IN (V)
Output Voltage
2 1 0
Time (40us/div)
XC6221x302 CE=VIN, Tr=5us IOUT=30mA, Topr=25, CL=1.0uF (ceramic) Input Voltage 4 3 Input Voltage: V IN (V) 2 1 Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0 7 Output Voltage: V OUT (V) 6 5 4 4 3 Input Voltage: V IN (V) 2 1
XC6221x302 CE=VIN, Tr=5us IOUT=100mA, Topr=25, CL=1.0uF (ceramic) Input Voltage
5
8
5
16/23
XC6221
Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(10) CE Rise Characteristics
XC6221x182 VIN=2.8V, Tr=5us IOUT=1mA, Topr=25, CIN=CL=1.0uF (ceramic) XC6221x182 VIN=2.8V, Tr=5us IOUT=30mA, Topr=25, CIN=CL=1.0uF (ceramic)
5 4 CE Input Voltage: VCE (V) 3 2 1 0 -1 -2 -3
8 7
5 4 CE Input Voltage: VCE (V) Output Voltage: V OUT (V) 3 2 1 0 -1 -2 -3
8 7
CE Input Voltage
5 4 3 Output Voltage 2 1 0 Time (40us/div)
5 4 3 Output Voltage 2 1 0 Time (40us/div)
XC6221x182 VIN=2.8V, Tr=5us IOUT=100mA, Topr=25, CIN=CL=1.0uF (ceramic)
XC6221x302 VIN=4.0V, Tr=5us IOUT=1mA, Topr=25, CIN=CL=1.0uF (ceramic) CE Input Voltage
5 4 CE Input Voltage: VCE (V) 3 2 1 0 -1 -2 -3
8 7
5 4 CE Input Voltage: VCE (V) Output Voltage: V OUT (V) 3 2 1 0 -1 -2 -3
8 7 Output Voltage: V OUT (V)
8 7 Output Voltage: V OUT (V) 6 5 4 3 2 1 0
CE Input Voltage
6 5 4 3
6 5 4 3 2 1 0 Time (40us/div)
Output Voltage
Output Voltage
2 1 0
Time (40us/div)
XC6221x302 VIN=4.0V, Tr=5us IOUT=30mA, Topr=25, CIN=CL=1.0uF (ceramic) CE Input Voltage
XC6221x302 VIN=4.0V, Tr=5us IOUT=100mA, Topr=25, CIN=CL=1.0uF (ceramic) CE Input Voltage:
5 4 CE Input Voltage: VCE (V) 3 2 1
8 7 CE Input Voltage: VCE (V) Output Voltage V OUT (V) 6 5 4
5 4 3 2 1
Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0
Output Voltage 0 -1 -2 -3 Time (40us/div)
17/23
Output Voltage: V OUT (V)
6
CE Input Voltage
6
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(11) Ripple Rejection Rate
XC6221x182 VIN=CE=2.8VDC+0.5Vp-pAC, IOUT=30mA, Topr=25, CL=1.0uF (ceramic) XC6221x302 V IN=CE=4.0V DC+0.5Vp-pAC, IOUT =30mA, Topr=25, CL=1.0uF (ceramic)
80 Ripple Rejection Rate: RR (dB) Ripple Rejection Rate: RR (dB) 70 60 50 40 30 20 10 0 0.01
80
RippleRejection Rate: RRRR (dB) Ripple Rejection Rate: (dB)
0.1 1 10 100 1000
70 60 50 40 30 20 10 0 0.01
0.1
1
10
100
1000
Ripple Frequency: f (kHz)
Ripple Frequency: f (kHz)
18/23
XC6221
Series
PACKAGING INFORMATION
USP-4 SOT-25 (SOT-23-5)
* Soldering f illet surf ace is not f ormed because the sides of the pins are plated.
SSOT-24 SSOT-24
19/23
XC6221 Series
PACKAGING INFORMATION (Continued)
USP-4 Recommended Pattern Layout USP-4 Recommended Metal Mask Design
20/23
XC6221
Series
MARKING RULE
SOT-25 / USP-4
5
Represents product series MARK PRODUCT SERIES XC6221****** XC6221S*****
4
1
4 3
3
1
2 3 SOT-25 (TOP VIEW)
2
USP-4 (TOP VIEW)
Represents type of regulator MARK OUTPUT VOLTAGE 100mV INCREMENTS
VOUT =0.8 3.0V VOUT =3.1 4.0V
OUTPUT VOLTAGE 50mV INCREMENTS
VOUT =0.85 3.05V VOUT =3.15 3.95V
PRODUCT SERIES XC6221A***** XC6221B*****
V X
A B
E F
L M
Custom products Represents last 1 digits of registered serial number. 0 to 9, reverse character 0 to 9 repeated (G, I, J, O, Q, W excepted) ex.) CUSTOM PRODUCTS MARK 0 SERIAL 01 PRODUCT SERIES XC6221S01XM*
Represents output voltage MARK 0 1 2 3 4 5 6 7 8 9 A B C D E 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 OUTPUT VOLTAGE (V) 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 0.85 0.95 1.05 1.15 1.25 1.35 1.45 1.55 3.15 3.25 3.35 3.45 3.55 3.65 3.75 3.85 3.95 MARK F H K L M N P R S T U V X Y Z 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 OUTPUT VOLTAGE (V) 1.65 1.75 1.85 1.95 2.05 2.15 2.25 2.35 2.45 2.55 2.65 2.75 2.85 2.95 3.05 -
Custom products Represents last 1 digits of registered serial number. 0 to 9, reverse character 0 to 9 repeated (G, I, J, O, Q, W excepted) ex.) CUSTOM PRODUCTS MARK 0 SERIAL 01 PRODUCT SERIES XC6221S01XM*
Represents production lot number 01, ..., 09, 10, 11, ...99, 0A, ...,0Z, 1A, ... 9Z, A0, ..., Z9, AA, ..., ZZ repeated. (G, I, J, O, Q, W excepted) *No character inversion used.
21/23
XC6221 Series
MARKING RULE (Continued)
SSOT-24
4

3
1 2 SSOT-24 (TOP VIEW)
Represents product series MARK OUTPUT VOLTAGE 100mV INCREMENTS
VOUT =0.8 3.0V VOUT =3.1 4.0V
OUTPUT VOLTAGE 50mV INCREMENTS
VOUT =0.85 3.05V VOUT=3.15 3.95V
PRODUCT SERIES XC6221A***** XC6221B*****
9 B Represents output voltage MARK 0 1 2 3 4 5 6 7 8 9 A B C D E 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
D F
A C
E H
OUTPUT VOLTAGE (V) 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 0.85 0.95 1.05 1.15 1.25 1.35 1.45 1.55 3.15 3.25 3.35 3.45 3.55 3.65 3.75 3.85 3.95 -
MARK F H K L M N P R S T U V X Y Z 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0
OUTPUT VOLTAGE (V) 1.65 1.75 1.85 1.95 2.05 2.15 2.25 2.35 2.45 2.55 2.65 2.75 2.85 2.95 3.05 -
Represents production lot number 01, ..., 09, 10, 11, ..., 99, 0A, ..., 0Z, 1A, ..., 9Z, A0, ..., Z9, AA, ..., ZZ repeated. (G, I, J, O, Q, W excepted) *No character inversion used.
22/23
XC6221
Series
1. The products and product specifications contained herein are subject to change without notice to improve performance characteristics. Consult us, or our representatives before use, to confirm that the information in this catalog is up to date. 2. We assume no responsibility for any infringement of patents, patent rights, or other rights arising from the use of any information and circuitry in this catalog. 3. Please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this catalog. 4. The products in this catalog are not developed, designed, or approved for use with such equipment whose failure of malfunction can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. Atomic energy; aerospace; transport; combustion and associated safety equipment thereof.) 5. Please use the products listed in this catalog 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 catalog may be copied or reproduced without the prior permission of Torex Semiconductor Ltd.
23/23

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