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L1131C Datasheet Preview

L1131C Datasheet

LOW NOISE 150mA LDO REGULATOR

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L1131C pdf
UNISONIC TECHNOLOGIES CO., LTD
L1131C
Preliminary
LOW NOISE 150mA LDO
REGULATOR
CMOS IC
„ DESCRIPTION
The UTC L1131C is a typical LDO (linear regulator) with the
features of High output voltage accuracy, low supply current, low
ON-resistance, and high ripple rejection.
During normal operation of UTC L1131C, the dropout voltage is
very low, and the response of line transient and load transient are
very well.
Inside each UTC L1131C, there’re many functions which can be
seen in the block figure, for example, a voltage reference unit, an
error amplifier, resistor-net for voltage setting, a current limit circuit,
and a chip enable circuit.
The UTC L1131C can be used as an ideal of power source for
hand-held communication equipment, such as cameras, VCRs,
camcorders and other battery-powered equipment.
„ FEATURES
* Ultra Supply Current: 75µA(typ.)
* Standby Mode: 0.1µA(typ.)
* Very Low Dropout Voltage: 0.28V(typ.) @IOUT=150mA, VOUT=2.5V
* Ripple Rejection: 70dB(typ.)@f=1kHz
60dB(typ.)@f=10kHz
* Temperature-Drift Coefficient
of Output Voltage: ±100ppm/°C(typ.)
* Well Line Regulation: 0.02%/V(typ.)
* Output Voltage Accuracy: ±2.0%(typ.)
* Internal Fold Back Protection Circuit
* CIN=COUT=1µF or more (Ceramic capacitors) are recommended to
be used with this IC
* Halogen Free
„ ORDERING INFORMATION
Ordering Number
L1131CG-xx-AF5-R
Note: Pin Assignment: I:VIN
O:VOUT
Package
SOT-25
G:GND C:CE
1
I
N:NC
Pin Assignment
234
GCN
5
O
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2009 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-308.b



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L1131C Datasheet Preview

L1131C Datasheet

LOW NOISE 150mA LDO REGULATOR

No Preview Available !

L1131C pdf
L1131C
Preliminary
„ MARKING
PACKAGE VOLTAGE CODE
SOT-25
20:2.0V
25:2.5V
MARKING
321
HXXCG
45
Voltage Code
„ PIN DESCRIPTION
PIN NO
1
2
3
4
5
PIN NAME
VIN
GND
CE
NC
VOUT
DESCRIPTION
Input pin
Ground pin
Input pin for chip enable, “high” means enable the chip.
No connection
Output pin
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 6
QW-R502-308.b


Part Number L1131C
Description LOW NOISE 150mA LDO REGULATOR
Maker UTC
Total Page 6 Pages
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