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LR9102 - LOW NOISE 300mA LDO REGULATOR

Description

The UTC LR9102 is a typical LDO (linear regulator) with the

Features

  • Ultra Supply Current: LR9102: 50µA (Typ. ).
  • Standby Mode: 0.1µA (Typ. ).
  • Very Low Dropout Voltage: 0.12V (Typ. ).
  • Ripple Rejection: @IOUT =300mA, VOUT =2.85V 75dB (Typ. ) @ f=1kHz,VOUT=2.85V.
  • Temperature-Drift Coefficient ±50ppm/°C (Typ. ) of Output Voltage:.
  • Well Line Regulation: 0.02%/ V (Typ. ).
  • Output Voltage Accuracy: ±1.0%.
  • Internal Fold Back Protection 50mA (Typ. ) @ short mode Circuit:.
  • CIN=COUT=1µF or more (Ceramic capacitors) a.

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UNISONIC TECHNOLOGIES CO., LTD LR9102 LOW NOISE 300mA LDO REGULATOR 3  DESCRIPTION The UTC LR9102 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 operation of the UTC LR9102, the dropout voltage is very low and the response of line transient and load transient are very well. Internally, there’re many functions of UTC LR9102 which can be seen in the block figure. There are a voltage reference unit, an error amplifier, resistor-net for voltage setting, a current limit circuit, and a chip enable circuit in each UTC LR9102, with auto discharge function at off state.
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