Datasheet4U Logo Datasheet4U.com

UC3843B Datasheet - UTC

CONTROLLERS

UC3843B 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

UC3843B General 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. The UC3843B is tailored f.

UC3843B Datasheet (482.56 KB)

Preview of UC3843B PDF

Datasheet Details

Part number:

UC3843B

Manufacturer:

UTC

File Size:

482.56 KB

Description:

Controllers.

📁 Related Datasheet

UC3843 Current-Mode PWM Controllers (Texas Instruments)

UC3843 CURRENTMODE PWM CONTROLLER (STMicroelectronics)

UC3843 SMPS Controller (Fairchild Semiconductor)

UC3843 Fixed Frequency Current Mode PWM Controller (ChipsWinner)

UC3843 High Performance Current Mode Controller (HOTCHIP)

UC3843A CURRENT MODE PWM CONTROLLER (UTC)

UC3843A HIGH PERFORMANCE CURRENT MODE CONTROLLERS (Motorola)

UC3843A SMPS Controller (Fairchild Semiconductor)

UC3843A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER (ST Microelectronics)

UC3843A CURRENT MODE PWM CONTROL CIRCUITS (UTC)

TAGS

UC3843B CONTROLLERS UTC

Image Gallery

UC3843B Datasheet Preview Page 2 UC3843B Datasheet Preview Page 3

UC3843B Distributor