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See Technical Specifications

UC3845 +BOM

Robust, temperature-resistant design for reliable operation in -C to C environment

Manufacturer:

Texas Instruments
Mfr.Part #:

UC3845
Datasheet:

UC3845 Datasheet (PDF)
Topology:

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

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

50
Switching Frequency (max) (kHz):

500
EDA/CAD Models:

Request Free CAD Models for UC3845

UC3845 General Description

In summary, the UC3845 control IC is a highly adaptable solution for implementing fixed-frequency current-mode control schemes. Whether for off-line power supplies or DC-DC converters, this IC offers excellent performance with minimal external components. Its comprehensive set of features, including undervoltage lockout, precision reference, and flexible package options, make it a versatile choice for various power management applications. With a focus on efficiency and reliability, the UC3845 is a dependable option for designers looking to optimize their designs for efficiency and performance

Key Features

Optimized noise reduction
Compact and lightweight design
Rapid thermal stabilization
Reliable shutdown mechanisms
Simplified fault detection
Efficient power conversion ratio

Specifications

Topology	Boost, Buck, Buck boost, Flyback, Forward	Control mode	Peak current mode
Duty cycle (max) (%)	50	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