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L1131C - LOW NOISE 150mA LDO REGULATOR

General Description

The UTC L1131C is a typical LDO (linear regulator) with the

Key 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.
  • Halog.

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Other Datasheets by Unisonic Technologies

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.