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AP65450 - 650kHz ADAPTIVE COT STEP-DOWN CONVERTER

Datasheet Summary

Description

The AP65450 is an adaptive constant on-time mode synchronous buck converter providing high efficiency, excellent transient response and high DC output accuracy for low-voltage regulation in digital TV and monitor.

Features

  • programmable soft-start, UVLO, OTP and OCP to protect the circuit. This IC is available in SO-8EP package. Features.
  • Fixed Frequency Emulated Constant On-time Control.
  • Good Stability Independent of the Output Capacitor ESR.
  • Fast Load Transient Response.
  • Synchronous Rectification: 65mΩ Internal High-side Switch and 36mΩ Internal Low-side Switch.
  • Wide Input Voltage Range: 4.5V to 18V.
  • Output Voltage Range: 0.76V to 6V.
  • 4A Continuous Output Current.
  • 650kHz S.

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Datasheet preview – AP65450

Datasheet Details

Part number AP65450
Manufacturer DIODES
File Size 1.23 MB
Description 650kHz ADAPTIVE COT STEP-DOWN CONVERTER
Datasheet download datasheet AP65450 Datasheet
Additional preview pages of the AP65450 datasheet.

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Full PDF Text Transcription

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NOT RECOMMENDED FOR NEW DESIGN USE AP62400 AP65450 4A, 18V, 650kHz ADAPTIVE COT STEP-DOWN CONVERTER Description The AP65450 is an adaptive constant on-time mode synchronous buck converter providing high efficiency, excellent transient response and high DC output accuracy for low-voltage regulation in digital TV and monitor. The constant-on-time control scheme handles wide input/output voltage ratios and provides low external component count. The internal proprietary circuit enables the device to adopt both low equivalent series resistance (ESR) output capacitors, such as SPCAP or POSCAP and ultra-low ESR ceramic capacitors.
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