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AP65352 Datasheet 650kHz ADAPTIVE COT STEP-DOWN CONVERTER

Manufacturer: Diodes Incorporated

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General Description

The AP65352 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 TVs and monitors.

Pin Assignments ( Top View ) 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 SP-CAP or POSCAP and ultra-low ESR ceramic capacitors.

Overview

NOT RECOMMENDED FOR NEW DESIGN USE AP65353 AP65352 3A, 18V, 650kHz ADAPTIVE COT STEP-DOWN.

Key Features

  • programmable soft-start, UVLO, OTP, OVP and OCP to protect the circuit. AP65352 operates in continuous conduction mode (CCM) in light load conditions for better EMI performance. AP65353 and AP65355 are the options for light-load efficiency enhancement. EN 1 FB 2 VREG5 3 SS 4 Exposed Pad 9 SO-8EP 8 VIN 7 BST 6 SW 5 PGND This IC is available in SO-8EP package. Features.
  • Fixed Frequency Emulated Constant On-Time Control.
  • Good Stability Independent of the Output Capacitor ESR.
  • Fa.

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