AS3842 - Current Mode Controller

ASTEC

Datasheet Details

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 |