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MIC38C43 - BiCMOS Current-Mode PWM Controllers

This page provides the datasheet information for the MIC38C43, a member of the MIC38C42 BiCMOS Current-Mode PWM Controllers family.

Product Overview

Microchip

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MIC38C43 BiCMOS Current-Mode PWM Controllers by Microchip - Datasheet Preview — Datasheet preview – MIC38C43

Datasheet Details

Part number	MIC38C43
Manufacturer	Microchip
File Size	1.99 MB
Description	BiCMOS Current-Mode PWM Controllers
Datasheet	MIC38C43 Datasheet
Additional preview pages of the MIC38C43 datasheet.

MIC38C43 Product details

Description

The MIC38C4x are fixed-frequency, high performance, current-mode PWM controllers.

Microchip’s BiCMOS devices are pin compatible with 384x bipolar devices, but feature several improvements.

Features

Fast 40 ns Output Rise and 30 ns Output Fall Times.
40°C to +85°C Ambient Temperature Range Meets UC284x Specifications.
High-Performance, Low-Power BiCMOS Process.
Ultra-Low Start-Up Current (50 μA Typical).
Low Quiescent Operating Current (4 mA Typical).
CMOS Outputs with Rail-to-Rail Swing.
Up to 500 kHz Current-Mode Operation.
Trimmed 5V Bandgap Reference.
Pin-for-Pin Compatible with UC3842/3843/3844/3.

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Published: Jul 30, 2025 |