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UC3843B

HOTCHIP
Part Number UC3843B
Manufacturer HOTCHIP
Description High Performance Current Mode Controller
Published Apr 15, 2019
Detailed Description HOTCHIP UC3842/43(B) High Performance Current Mode Controller Description The UC3842B/43B series are high performance ...
Datasheet PDF File UC3843B PDF File

UC3843B
UC3843B

Overview
HOTCHIP UC3842/43(B) High Performance Current Mode Controller Description The UC3842B/43B series are high performance fixed frequency current mode controllers.
They are specifically designed for Off-Line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components.
These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of input and reference under voltage lockouts each with hysteresis, cycle-by-cycle current limiting, programmable output dead time, and a latch for single pulse metering.
These devices are available in 8-pin dual-in-line ceramic and plastic packages as well as the 8-pin plastic surface mount (SO-8).
And 14-pin plastic surface mount (SO-14).
SO-14 package Figure Teng...


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