DH321 Datasheet Green Mode Power Switch

Manufacturer: onsemi

DH321 green mode power switch by onsemi - Datasheet Preview

Datasheet Details

Part number	DH321
Manufacturer	onsemi
File Size	310.51 KB
Description	Green Mode Power Switch
Download	DH321 Download (PDF)

General Description

Each product in the FSDx321 (x for H, L) family consists of an integrated Pulse Width Modulator (PWM) and SENSEFET, and is specifically designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components.

Both devices are integrated high voltage power switching regulators which combine an avalanche rugged SENSEFET® with a current mode PWM control block.

The integrated PWM controller

Overview

Green Mode Power Switch FSDH321, FSDL321.

Key Features

include: a fixed oscillator with frequency modulation for reduced EMI, Under Voltage Lock Out (UVLO) protection, Leading Edge Blanking (LEB), an optimized gate turn.
on/turn.
off driver, Thermal Shut Down (TSD) protection, Abnormal Over Current Protection (AOCP) and temperature compensated precision current sources for loop compensation and fault protection circuitry. When compared to a discrete MOSFET and controller or RCC switching converter solution, the FSDx321 devices reduce t.

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