RM3253 - Off Line AC/DC Switcher

Product Overview

REACTOR

Datasheet Details

Part number	RM3253
Manufacturer	REACTOR
File Size	223.43 KB
Description	Off Line AC/DC Switcher
Datasheet	RM3253 Datasheet
Additional preview pages of the RM3253 datasheet.

Product details

Description

The RM3253 series switcher ICs cost effectively replace all power supplies up to 5W output power based on unregulated isolated linear transformer (50/60HZ).Unlike conventional PWM (pulse width modulation) controllers, they regulate the output voltage in a new method of off-time modulation control.The controller consists of a VCO (voltage control oscillator), Sense and logic circuit, VDD pin, under-voltage lockout circuit, protection for over-voltage, current limited circuit, leading edge blank

Features

Built-in 800V high voltage BJT and minimal external componets.
Low start-up current: Typ.15 μA Max.25 μA.
UVLO(under voltage lockout):Typ.12V start-up Typ.6V shut-down.
Low operating current:Typ.2 mA Max.5 mA.
LEB(leading edge blanking): Typ.300ns.
OVP(over voltage protection).

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Published: Mar 8, 2017 |