AS3842 - Current Mode Controller

Product Overview

ASTEC

Part number	AS3842
Manufacturer	ASTEC
File Size	155.06 KB
Description	Current Mode Controller
Datasheet	AS3842 Datasheet
Additional preview pages of the AS3842 datasheet.

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

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.

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Published: Jul 18, 2018 |