UC3973 - PWM CONTROLLER

Product Overview

UTC

UC3973 PWM CONTROLLER by UTC - Datasheet Preview — Datasheet preview – UC3973

Datasheet Details

Part number	UC3973
Manufacturer	UTC
File Size	348.18 KB
Description	PWM CONTROLLER
Datasheet	UC3973 Datasheet
Additional preview pages of the UC3973 datasheet.

Product details

Description

The UC3973 is a high performance current mode PWM controller ideally suited for low standby power.

Low VDD startup current make the power reliable on startup design and a large value resistor could be used in the startup circuit to minimize the standby power.

Features

S.
UTC proprietary frequency hopping technology for Improved EMI performance.
Power-saving mode for high light-load and standby efficiency.
Soft Start.
Dynamic peak current limiting for constant output power.
Built-in synchronized slope compensation.
OLP,OVP and VDD clamp for higher security.
Programming OTP for higher security.
Fixed switch frequency 65kHz.
Gate output voltage clamped at 15V.
Low start-up current.
Cycle-by-cycle Current.

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Published: Apr 19, 2020 |