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XC6221A08B7R-G Datasheet(PDF) 1 Page - Torex Semiconductor

Part # XC6221A08B7R-G
Description  Low ESR Caps Compatible High Speed LDO Voltage Regulators with ON/OFF Switch
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC6221A08B7R-G Datasheet(HTML) 1 Page - Torex Semiconductor

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XC6221x182
1.3
1.4
1.5
1.6
1.7
1.8
1.9
Time (500us/div)
0
50
100
150
200
250
300
Output Voltage
Output Current
VIN=CE=2.8V, Tr=Tf=5us
Topr=25℃, CIN=CL=1uF (ceramic)
APPLICATIONS
Cellular phones
Cordless phones
Wireless communication equipment
Portable games
Cameras, VCRs
Portable AV equipment
PDAs
TYPICAL APPLICATION CIRCUIT
FEATURES
Output Current
: 200mA <Up to 250mA (TYP.)>
Dropout Voltage
:80mV@ IOUT=100mA,VOUT=3.0V
Operating Voltage Range
: 1.6V ~ 6.0V
: 0.8V~5.0V (0.05V increments)
Output Voltages
Accuracy
Low Power Consumption
Stand-by Current
: +2% (VOUT >1.5V)
(+1% option is available)
+30mV (VOUT≦1.45V)
(+20mV option is available)
: 25μA (TYP.)
: Less than 0.1μA
High Ripple Rejection
: 70dB @ 1kHz
Operating Temperature
: -40℃~85℃
Low ESR Capacitor
: 1.0μF ceramic capacitor
CL High-Speed Auto-Discharge (XC6221B)
CE Pin internally pulled-down
Low Output Noise
Ultra Small Packages
: USP-4, SOT-25, SSOT-24
USPN-4
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 amplifier, a current limiter, and a phase compensation circuit.
The CE function enables the entire circuit to be in stand-by state by inputting low level signal. In this stand-by mode, the
electric charge at the output capacitor (CL) will be discharged by the internal auto-discharge switch, and as a result the VOUT
pin quickly returns to the VSS level. The output stabilization capacitor (CL) is also compatible with low ESR ceramic capacitors.
Output voltage is selectable in 0.05V increments within a range of 0.8V~5.0V, using the laser trimming technology set in factory.
The current limiter's fold-back circuit also operates as a short circuit protection and an output current limiter at the output pin.
The series achieves a fast response with only 25μA of low power consumption. Also the series has low dropout voltage
characteristics, which is 80mV at IOUT=100mA and VOUT=3.0V.
With the use of small USP-4 and ultra small USPN-4 packages, a small footprint circuit can be designed.
ETR0328_009


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