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LR9107 - OUTPUT CAPACITOR-LESS LOW VOLTAGE 200mA LDO REGULATOR

General Description

The UTC LR9107 is a CMOS-based low dropout regulator with high output voltage accuracy, low dropout, high PSRR and low quiescent current.

The UTC LR9107 includes a voltage reference unit, an error amplifier, current limit circuit, resistors for setting output voltage, and a chip enable circuit.

Key Features

  • S.
  • Quiescent current: Typ. 9.5µA.
  • Low VIN and wide VIN range: 1.4V~5.25V.
  • Guarantee output current: 200mA.
  • VOUT accuracy: ±1%.
  • Ripple Rejection: Typ. 70dB (f=1kHz,VOUT≤1.2V) Typ. 65dB (f=1kHz, 1.2V.

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Full PDF Text Transcription (Reference)

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UNISONIC TECHNOLOGIES CO., LTD LR9107 Preliminary OUTPUT CAPACITOR-LESS LOW VOLTAGE 200mA LDO REGULATOR  DESCRIPTION The UTC LR9107 is a CMOS-based low dropout regulator with high output voltage accuracy, low dropout, high PSRR and low quiescent current. The UTC LR9107 includes a voltage reference unit, an error amplifier, current limit circuit, resistors for setting output voltage, and a chip enable circuit. With its low power consumption, excellent line and load transient response, the UTC LR9107 is well suited for low power handheld communication equipment. Since the output capacitor and noise bypass capacitor are able to be reduced, high density mounting on boards are possible.  FEATURES * Quiescent current: Typ. 9.5µA * Low VIN and wide VIN range: 1.4V~5.