AS3844 Datasheet Current Mode Controller

Manufacturer: ASTEC

Download the AS3844 datasheet PDF. This datasheet also includes the AS3842 variant, as both parts are published together in a single manufacturer document.

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AS3844 current mode controller by ASTEC - Datasheet Preview — Note: The manufacturer provides a single datasheet file (AS3842-ASTEC.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	AS3844
Manufacturer	ASTEC
File Size	155.06 KB
Description	Current Mode Controller
Download	AS3844 Download (PDF)

General Description

The AS3842 family of control ICs provide pin-for-pin replacement of the industry standard UC3842 series of devices.

The devices are redesigned to provide significantly improved tolerances in power supply manufacturing.

The 2.5 V reference has been trimmed to 1.0% tolerance.

Overview

SEMICONDUCTOR AS384x Current Mode Controller.

Key Features

2.5 V bandgap reference trimmed to 1.0% and temperature-compensated.
Standard temperature range extended to 105¡C.
AS3842/3 oscillations trimmed for precision duty cycle clamp.
AS3844/5 have exact 50% max duty cycle clamp.
Advanced oscillator design simplifies synchronization.
Improved specs on UVLO and hysteresis provide more predictable start-up and shutdown.
Improved 5 V regulator provides better AC noise immunity.
Guaranteed performance with current s.

📁 Similar Datasheet

Brand Logo	Part Number	Description	Manufacturer
	AS3844	Current Mode Controller	Alpha

More Datasheets from ASTEC

Part Number	Description
AS3842	Current Mode Controller
AS3843	Current Mode Controller
AS3845	Current Mode Controller