Datasheet4U.com

UC3843B Datasheet PDF

Unisonic Technologies UC3843B

The UC3843B is tailored for lower voltage applications having UVLO thresholds of 8.4V(on) and 7.6V(off).
Part No. UC3843B
Datasheet UC3843B Download
Manufacturer
Unisonic Technologies
Description CONTROLLERS
Buy Stock & Price
UC3843B datasheet page 1 preview

DESCRIPTION

The UTC UC3842B/3843B are specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The UC3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters.
●

FEATURES

* Trimmed oscillator for precise frequency control * Oscillator frequency guaranteed at 250kHz * Current mode operation to 500kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * Internally trimmed reference with undervoltage lockout * High current totem pole output * Undervoltage lockout with hysteresis * Low startup and operating current
● ORDERING INFORMATION Ordering Number Lead Free Halogen Free UC3842BL-D08-T UC3842BP-D08-T UC3842BL-S08-R UC3842BP-S08-R UC3843BL-D08-T UC3843BP-D08-T UC3843BL-S08-R UC3843BP-S08-R Package DIP-8 SOP-8 DIP-8 SOP-8 Packing Tube Tape Reel Tube Tape Reel Copyright © 2019 Unisonic Technologies Co., Ltd 1 of 11 QW-R103-012...
UC3843B page 2 preview UC3843B page 3 preview