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LR9113 - LOW NOISE 300mA LDO REGULATOR

General Description

The UTC LR9113 is a typical LDO (linear regulator) with the

Key Features

  • Ultra Supply Current: 42µA (Typ. ).
  • Standby Mode: 0.1µA (Typ. ).
  • Very Low Dropout Voltage: 0.23V (Typ. ) @ IOUT =300mA, VOUT =2.8V.
  • Power-Supply Ripple Rejection: 72dB (Typ. ) @ f=100Hz,VOUT=1.8V.
  • 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 Circuit: 50mA (Typ. ) (Current at short mode).
  • CIN=COUT=1.0µF or more (Ceramic.

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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 LR9113 LOW NOISE 300mA LDO REGULATOR  DESCRIPTION The UTC LR9113 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 LR9113, 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 LR9113 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 LR9113.