xc6221 TOREX SEMICONDUCTOR LTD., xc6221 Datasheet

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xc6221

Manufacturer Part Number
xc6221
Description
Xc6221 Low Esr Caps Compatible Highe Speed Ldo Voltage Regulators With On/off Switch
Manufacturer
TOREX SEMICONDUCTOR LTD.
Datasheet

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■TYPICAL APPLICATION CIRCUIT
■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 (C
result the V
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 25μA of low power consumption. Also the series has low dropout
voltage characteristics, which is 80mV at I
With the use of ultra small package, USP-4 package, a small footprint circuit can be designed.
■APPLICATIONS
●Cellular phones
●Cordless phones
●Wireless communication equipment
●Portable games
●Cameras, VCRs
●Portable AV equipment
●PDAs
OUT
pin quickly returns to the V
OUT
SS
level. The series' output stabilization capacitor (C
=100mA and V
L
) to be discharged via the internal auto-discharge resistance, and as a
OUT(T)
■ TYPICAL PERFORMANCE
=3.0V.
■FEATURES
Output Current
Dropout Voltage
Operating Voltage Range
Output Voltage
Setting Range Accuracy
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
●Load Transient Response
CHARACTERISTICS
1.9
1.8
1.7
1.6
1.5
1.4
1.3
Topr=25 ℃ , C
Time (500us/div)
Output Voltage
XC6221x182
Output Current
L
) is also compatible with low
V
IN
: 200mA <Up to 250mA (TYP.)>
: 80mV@ I
: 1.6V ~ 6.0V
: 0.8V~4.0V (50mV increments)
: +2% (V
: 25μA (TYP.)
: Less than 0.1μA
: 70dB @ 1kHz
: -40℃~85℃
: 1.0μF ceramic capacitor
: USP-4, SOT-25, SSOT-24
=CE=2.8V, Tr=Tf=5us
V
(+1% Possible)
+30mV (V
(+20mV Possible)
compatible
IN
OUT(T)
=C
L
=1uF (ceramic)
=3.0V
OUT
OUT
OUT
>1.5V)
=100mA,
≦1.45V)
ETR0328_004
300
250
200
150
100
50
0
1/23

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xc6221 Summary of contents

Page 1

... 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. ...

Page 2

... XC6221 Series ■PIN CONFIGURATION USP-4 (BOTTOM 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 V SS ■PIN ASSIGNMENT PIN NUMBER USP-4 ...

Page 3

... CLASSIFICATION ●Ordering Information XC6221 ①②③④⑤⑥ DESIGNATOR DESCRIPTION Type of Regulator ① Output Voltage ② ③ Output Accuracy ④ Packages ⑤ Device Orientation ⑥ SYMBOL High Active discharge resistor High Active, with CL discharge resistor ...

Page 4

... MAXIMUM RATINGS PARAMETER Input Voltage Output Current Output Voltage CE Input Voltage USP-4 Power Dissipation SOT-25 SSOT-24 Operating Temperature Range Storage Temperature Range *1: I =Less than OUT IN OUT 4/23 ●XC6221B Series SYMBOL RATINGS V V -0 (*1) I 400 OUT V V – 0 0.3 OUT VSS – ...

Page 5

... IN1 OUT * voltage equal to 98% of the output voltage whenever an amply stabilized I OUT1 * 7: V =The input voltage when V IN1 OUT1 * 8: For the XC6221B series only. The XC6221A series discharges by resistors R1 and R2 only as shown in the block diagrams. CONDITIONS V >1.5V =10mA OUT(T) CE ...

Page 6

... XC6221 Series ■OUTPUT VOLTAGE CHART SYMBOL E-0 SETTING OUTPUT OUTPUT VOLTAGE VOLTAGE Standard +2% (V) (V) V OUT(E) V OUT(T) MIN. MAX. 0.80 0.7700 0.8300 0.85 0.8200 0.8800 0.90 0.8700 0.9300 0.95 0.9200 0.9800 1.00 0.9700 1.0300 1.05 1.0200 1.0800 1.10 1.0700 1.1300 1.15 1.1200 1.1800 1.20 1.1700 1.2300 1.25 1.2200 1.2800 1.30 1.2700 1.3300 1.35 1.3200 1 ...

Page 7

... XC6221 Series E-2 Vdif Vdif MAX. 140 7/23 ...

Page 8

... Reference <Low ESR Capacitor> With the XC6221 series, a stable output voltage is achievable even if used with low ESR capacitors 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 ...

Page 9

... When the output pin is shorted to the V SS <CE Pin> 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 V pin will be pulled down to the V OUT ...

Page 10

... 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 ...

Page 11

... CIRCUITS (Continued) Circuit 4: CE “H” “L” Level Voltage, CE “H” “L” Level Current XC6221 Series 11/23 ...

Page 12

... OUT IOUT=10mA I =10mA OUT IOUT=30mA I =30mA OUT I =100mA IOUT=100mA OUT 2.5 3 (V) IN XC6221x182 C =C =1.0uF (ceramic 2.4 1.8 1.2 0 100 200 300 Output Current: I (mA) OUT XC6221x302 C =C =1.0uF (ceramic 3.5 3 2.5 2 1 100 200 Output Current: I (mA) OUT XC6221x182 CE 1.9 1.85 1.8 1.75 1.7 1.65 1.6 4 4.5 5 ...

Page 13

... IN L 3.1 3.05 3 2.95 IOUT=1mA I =1mA 2.9 OUT IOUT=10mA I =10mA OUT IOUT=30mA I =30mA 2.85 OUT I IOUT=100mA =100mA OUT 2.8 4 4.5 5 5.5 Input Voltage: V (V) IN XC6221x302 CE=V IN =1.0uF (ceramic 0.4 0.35 Topr=85 ℃ 0.3 Topr=25 ℃ 0.25 Topr=-40 ℃ 0.2 0.15 0.1 0. 100 150 Output Current: I (mA) OUT XC6221x302 V =CE=4.0V =1.0uF (ceramic) ...

Page 14

... Time (500us/div) 14/23 =C =1.0uF (ceramic ( =4.0V SS OUT =C =1.0uF (ceramic 100 =1uF (ceramic) L 300 250 200 150 100 50 0 XC6221x302 CE =1.0uF (ceramic) IN Topr=85 ℃ 60 Topr=25 ℃ 50 Topr=-40 ℃ Input Voltage:V (V) IN XC6221x302 V =CE=4 ...

Page 15

... XC6221 Series XC6221x182 CE=V , Tr=Tf=5us IN I =30mA, Topr=25 ℃ =1uF (ceramic) OUT L 2 Input Voltage 1.95 1.9 1.85 Output Voltage 1.8 1.75 1.7 Time (20us/div) XC6221x302 CE=V ,Tr=Tf=5us IN I =1mA, Topr=25 ℃ =1uF (ceramic) OUT L 3.2 Input Voltage 3.15 3.1 3.05 Output Voltage 3 2.95 2.9 Time (20us/div) XC6221x302 CE=V , Tr=Tf=5us IN I =100mA, Topr=25 ℃ =1uF (ceramic) ...

Page 16

... XC6221x182xx CE=V I =30mA, Topr=25 ℃ =1.0uF (ceramic) OUT L 4 Input Voltage Output Voltage - Time (40us/div) XC6221x302 CE=V I =1mA, Topr=25 ℃ =1.0uF (ceramic) OUT L 5 Input Voltage Output Voltage Time (40us/div) XC6221x302 CE=V I =100mA, Topr=25 ℃ ...

Page 17

... XC6221 Series XC6221x182 V =2.8V, Tr=5us IN I =30mA, Topr=25 ℃ =1.0uF (ceramic) OUT Input Voltage Output Voltage Time (40us/div) XC6221x302 V =4.0V, Tr=5us IN I =1mA, Topr=25 ℃ =1.0uF (ceramic) OUT Input Voltage Output Voltage Time (40us/div) XC6221x302 V =4.0V, Tr=5us IN I =100mA, Topr=25 ℃ ...

Page 18

... XC6221x182 V =CE=2. =30mA, Topr=25 ℃ OUT 0.01 0 Ripple Frequency: f (kHz) 18/23 +0.5Vp =1.0uF (ceramic) L 100 1000 XC6221x302 V =CE=4. =30mA, Topr=25 ℃ =1.0uF (ceramic) OUT 0.01 0 Ripple Frequency: f (kHz) +0.5Vp-pAC, 100 1000 ...

Page 19

... INFORMATION ●USP-4 ●SSOT-24 ●SSOT-24 ●SOT-25 (SOT-23-5) * Soldering f illet surf ace is not f ormed because the sides of the pins are plated. XC6221 Series 19/23 ...

Page 20

... XC6221 Series ■PACKAGING INFORMATION (Continued) ●USP-4 Recommended Pattern Layout 20/23 ●USP-4 Recommended Metal Mask Design ...

Page 21

... MARK MARK OUTPUT VOLTAGE 50mV INCREMENTS V =0.85∼3.05V V =3.15∼3.95V OUT OUT E F PRODUCT SERIES XC6221S01XM* MARK OUTPUT VOLTAGE (V) 3.15 F 1.6 - 3.25 H 1.7 - 3.35 K 1.8 - 3.45 L 1.9 - 3.55 M 2.0 - 3.65 N 2.1 - 3.75 P 2.2 - 3.85 R 2.3 - 3. 3.0 - PRODUCT SERIES XC6221S01XM* XC6221 Series PRODUCT SERIES XC6221****** XC6221S***** PRODUCT SERIES L XC6221A***** M XC6221B***** 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 - 21/23 ...

Page 22

... OUTPUT VOLTAGE 50mV INCREMENTS =3.1∼4.0V V =0.85∼3.05V OUT MARK - 3.15 F 1.6 - 3.25 H 1.7 - 3.35 K 1.8 - 3.45 L 1.9 - 3.55 M 2.0 - 3.65 N 2.1 - 3.75 P 2.2 0.85 3.85 R 2.3 0.95 3.95 S 2.4 1. 2.5 1. 2.6 1. 2.7 1. 2.8 1. 2.9 1. 3.0 PRODUCT SERIES V =3.15∼3.95V OUT E XC6221A***** H XC6221B***** OUTPUT VOLTAGE ( 3.05 - ...

Page 23

... Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives 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. XC6221 Series 23/23 ...

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