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XC6221 Datasheet(PDF) 1 Page - Torex Semiconductor

Part No. XC6221
Description  Low ESR Caps Compatible High Speed LDO Voltage Regulators with ON/OFF Switch
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Maker  TOREX [Torex Semiconductor]
Homepage  http://www.torex.co.jp
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XC6221 Datasheet(HTML) 1 Page - Torex Semiconductor

 
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XC6221 ETR0328_002
XC6221x182
1.3
1.4
1.5
1.6
1.7
1.8
1.9
Time (500usec/div)
0
50
100
150
200
250
300
Output Voltage
Output Current
100mA
10mA
VIN=CE=2.8V, Tr=Tf=5usec
Topr=25℃, CIN=CL=1uF(ceramic)
CMOS Low Power Supply Voltage Regulators
Output Current: 200mA <Up to 250mA (TYP.)>
Dropout Voltage: 80mV@IOUT=100mA, VOUT(T)=3.0V
Output Voltage Range: 0.8V ~ 4.0V
Low ESR Capacitor Compatible
High Ripple Rejection, Low Output Noise
CL High-Speed Auto-Discharge (XC6221B)
Ultra Small Package: USP-4
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 25μA 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.
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(T)=3.0V
Operating Voltage Range : 1.6V ~ 6.0V
Output Voltage
Setting Range
: 0.8V~4.0V (50mV increments)
Accuracy
: +2% (VOUT >1.5V)
+30mV (VOUT≦1.45V)
Low Power Consumption : 25μA (TYP.)
Standby Current
: Less than 0.1μA
High Ripple Rejection
: 70dB @ 1kHz
Operating Temperature
Range
: -40℃~85℃
Low ESR Capacitor
: 1.0μF Ceramic capacitor
compatible
Ultra Small Packages
: USP-4, SOT-25, SSOT-24
TYPICAL PERFORMANCE
CHARACTERISTICS
Load Transient Response


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