UNISONIC TECHNOLOGIES CO., LTD
L1131C
Preliminary
LOW NOISE 150mA LDO REGULATOR
CMOS IC
DESCRIPTION
The UTC L113...
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
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