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  4. Diodes Incorporated — AP7375Q Low Dropout (LDO) Linear Regulator

Diodes Incorporated — AP7375Q Low Dropout (LDO) Linear Regulator

Diodes Incorporated

 

Diodes Incorporated AP7375Q Linear Regulator

Handles automotive applications with ease

The AP7375Q series by Diodes Incorporated is a wide input voltage range (45V), low quiescent current (2.1µA), low-dropout linear regulator (LDO) able to provide 300mA load current.

The AP7375Q family of LDOs offers an EN pin to enable and disable the LDO output. The EN pin can take an input voltage of 45V.

The device provides a very fast response against line voltage transient and load current transient, and ensures no overshoot voltage occurs during startup and short-circuit recovery. The AP7375Q also features integrated short-circuit and thermal-shutdown protection.

The regulator by Diodes Incorporated has 1.8V, 3.0V, 3.3V, and 5.0V fixed output voltage versions, and is available in the SOT89, SO-8EP, SOT25 and U-DFN2020-6 (SWP) (Type UXC) packages.

Features

  • Wide input voltage range: 3V to 45V
  • Maximum output current: 300mA
  • Low dropout voltage:
    • VDROP = 35mV @IOUT = 10mA (typ)
    • VDROP = 350mV @IOUT = 100mA (typ)
  • Low quiescent current: 2.1μA (typ)
  • Fixed output voltages: 1.8V, 3.0V, 3.3V and 5.0V

 

  • High output voltage accuracy: ±2%
  • High PSRR: 85dB@1kHz
  • Excellent line/load regulation
  • Thermal shutdown function
  • Short-current protection function
  • Totally lead-free & fully RoHS compliant
  • Halogen and antimony free

Applications

  • Powering MCUs and CAN/LIN transceivers
  • Automotive head units
  • EV and HEV battery management systems

 

  • Body control modules
  • Transmission control units (TCUs)

 

Typical Applications Circuit