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See Technical Specifications

UC3843 +BOM

Advanced current mode control for precise voltage regulatio

Manufacturer:

Texas Instruments
Mfr.Part #:

UC3843
Datasheet:

UC3843 Datasheet (PDF)
Topology:

Boost, Buck, Buck boost, Flyback, Forward
Control Mode:

Peak current mode
Duty Cycle (max) (%):

100
Switching Frequency (max) (kHz):

500
EDA/CAD Models:

Request Free CAD Models for UC3843

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UC3843 General Description

Offering flexibility and reliability, the UC3843 is a reliable choice for various power supply designs. Its ability to drive N-channel MOSFETs efficiently makes it an ideal component for different applications. With optimized performance and precision, this IC ensures stable and accurate control in diverse operating conditions. Whether it is for off-line power supplies or DC-DC converters, the UC3843 delivers consistent and dependable operation

Key Features

Excellent thermal regulation
Robust electromagnetic immunity
Advanced current sensing technology
Integrated fault detection

Specifications

Topology	Boost, Buck, Buck boost, Flyback, Forward	Control mode	Peak current mode
Duty cycle (max) (%)	100	Switching frequency (max) (kHz)	500
Features	Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology	UVLO thresholds on/off (V)	8.4/7.6
Operating temperature range (°C)	0 to 70	Rating	Catalog
Gate drive (typ) (A)	1	Vin (max) (V)	28