KA7553A - SMPS Controller

Product Overview

Fairchild

Datasheet Details

Part number	KA7553A
Manufacturer	Fairchild
File Size	176.91 KB
Description	SMPS Controller
Datasheet	KA7553A Datasheet
Additional preview pages of the KA7553A datasheet.

KA7553A Product details

Description

The KA7552A/KA7553A are switching power control IC for wide operating frequency range.

The internal circuits include pulse by pulse current limiting, protection, on/off control by external trigger, low standby current, soft start, and high current totempole output for driving a POWER MOSFET.

Features

Built-in drive circuits for direct connection power MOSFET (lO = ±1.5A).
Wide operating frequency range (5kHz ~ 600kHz).
Pulse by pulse over current limiting.
Over load protection.
On/off control by external trigger.
Internal UVLO.
Low standby current (typ. 90uA).
Soft start circuit.

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Published: Apr 25, 2005 |