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UC3842A Datasheet PDF

Unisonic Technologies UC3842A

The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode, controlled switching circuits with minimal external components.
Part No. UC3842A
Datasheet UC3842A Download
Manufacturer
Unisonic Technologies
Description CURRENT MODE PWM CONTROL CIRCUITS
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UC3842A datasheet page 1 preview

DESCRIPTION

●

FEATURES

*Low Start Up Current ( Typical 0.12mA ) *Automatic Feed Forward Compensation *Pulse-by-Pulse Current Limiting *Under-voltage Lockout with Hysteresis *Double Pulse Suppression *High Current Totem Pole Output to Drive MOSFET Directly *Internally Trimmed Band Gap Reference *500kHz Operation
● ORDERING INFORMATION Ordering Number Lead Free Halogen Free UC3842AL-D08-T UC3842AP-D08-T UC3842AL-S08-R UC3842AP-S08-R UC3843AL-D08-T UC3843AP-D08-T UC3843AL-S08-R UC3843AP-S08-R Package DIP-8 SOP-8 DIP-8 SOP-8 Packing Tube Tape Reel Tube Tape Reel
● MARKING Package DIP-8 UC3842A SOP-8 Copyright © 2019 Unisonic Technologies Co., Ltd UC3843A 876 5 UTC UC3843A 1 23 4 Date Code L: Lead Free P: Halogen Free Lot Code 1 of 9 QW-R103-002.J UC3842A/3843A
● PIN CONFIGURATION COMP 1 VFB 2 Current Sense 3 RT/CT 4
● BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT 8 VREF 7 VCC 6 Output 5 GND UNISONIC TECHNOLOGIES CO., LTD 2 of 9 QW-R103-002.J UC3842A/3843A LINEAR INTEGRATED CIRCUIT
● ABSOLUTE MAX...
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