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APW8720A Datasheet Single Buck Voltage Mode PWM Controller

Manufacturer: ANPEC

Overview: APW8720/A Single Buck Voltage Mode PWM Controller.

Download the APW8720A datasheet PDF. This datasheet also includes the APW8720 variant, as both parts are published together in a single manufacturer document.

Datasheet Details

Part number APW8720A
Manufacturer ANPEC
File Size 342.34 KB
Description Single Buck Voltage Mode PWM Controller
Download APW8720A Download (PDF)

General Description

• Wide 5V to 12V Supply Voltage • Power-On-Reset Monitoring on VCC • Excellent Output Voltage Regulations - 0.5V Internal Reference for APW8720 - 0.8V Internal Reference for APW8720A - ±1% Over-Temperature Range • Integrated Soft-Start • Voltage Mode PWM Operation with External Compensation • Up to 90% Duty Ratio for Fast Transient Response • Constant Switching Frequency - 300kHz ±10% for APW8720 - 200kHz ±10% for APW8720A • 9V Driver Voltage for BOOT Supply with Internal Bootstrap Diode • Drive Dual Low Cost N-MOSFETs with Adaptive Dead Time Control • 50% Under-Voltage Protection • 125% Over-Voltage Protection • Adjustable Over-Current Protection Threshold - Using the R of Low-Side MOSFET DS(ON) • Shutdown Control by COMP • Power Good Monitoring (TDFN-10 3mmx3mm Package Only) • SOP-8, SOP-8P, TDFN3x3-10, and SOT-23-8 Packages • Lead Free and Green Devices Available (RoHS Compliant) Applications • Graphic Cards • DSL, Switch HUB • Wireless Lan • Notebook Computer • Mother Board • LCD Monitor/TV The APW8720/A is a voltage mode, fixed 300kHz/200kHz switching frequency, synchronous buck converter.

The APW8720/A allows wide input voltage that is either a single 5~12V or two supply voltage(s) for various applications.

A power-on-reset (POR) circuit monitors the VCC supply voltage to prevent wrong logic controls.

Key Features

  • General.