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Diodes Incorporated Low Dropout Regulator AP7353 Offers High PSRR in Small Footprint for Noise-Sensitive Applications

The Diodes Incorporated AP7353 is a low dropout regulator with high output voltage accuracy, low RDSON, high PSRR, low output noise and low quiescent current. This regulator is based on a CMOS process.

With 250mA of guaranteed output current, the AP7353 regulator includes a voltage reference, error amplifier, current limit circuit and an enable input to turn it on and off. With the integrated resistor network, fixed output voltage versions can be delivered.

With its high PSRR, good line regulation and fast load transient response, the AP7353 is well suited for handheld/wearable communication equipment which require stable voltage sources.

The AP7353 is packaged in X1-WLB0707-4 (Type A1) which allows for smallest footprint and dense PCB layout.

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AP7353 Applications

  • Smart Phone/PAD
  • RF Supply
  • Cameras
  • Portable Video
  • Portable Media Player
  • Wireless Adapter
  • Wireless Communication

AP7353 Features

  • Low VIN and Wide VIN Range: 2.0V to 5.5V
  • Guarantee Output Current: 250mA
  • VOUT Accuracy ±1%
  • Ripple Rejection 90dB at 20Hz to 20kHz, IOUT = 10mA
  • Low Output Noise, 10μVrms from 10Hz to 100kHz at 10mA
  • Quiescent Current as Low as 18μA (Typ.)
  • VOUT Fixed 1.8V to 4.5V
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free, Green Device

 

Diodes Incorporated AP7353 Functional Block Diagram

Diodes Incorporated AP7353 Low Noise Low Dropout Regulators