FSDH321 Datasheet (FSDH321 / FSDL321) Green Mode Fairchild Power Switch

Manufacturer: Fairchild (now onsemi)

FSDH321 (fsdh321 / fsdl321) green mode fairchild power switch by Fairchild (now onsemi) - Datasheet Preview

Datasheet Details

Part number	FSDH321
Manufacturer	Fairchild (now onsemi)
File Size	957.77 KB
Description	(FSDH321 / FSDL321) Green Mode Fairchild Power Switch
Datasheet	FSDH321 Datasheet

General Description

Each product in the FSDx321 (x for H, L) family consists of an integrated Pulse Width Modulator (PWM) and Sense FET, 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 Sense FET with a current mode PWM control block.

The integrated PWM controller

Overview

www.DataSheet4U.com www.fairchildsemi.com FSDH321, FSDL321.

Key Features

Internal Avalanche Rugged Sense FET.
Consumes only 0.65W at 240VAC & 0.3W load with Advanced Burst-Mode Operation.
Frequency Modulation for EMI Reduction.
Precision Fixed Operating Frequency.
Internal Start-up Circuit.
Pulse-by-Pulse Current Limiting.
Abnormal Over Current Protection (AOCP).
Over Voltage Protection (OVP).
Over Load Protection (OLP).
Internal Thermal Shutdown Function (TSD).
Auto-R.

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