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See Technical Specifications

UCC3803 +BOM

High-frequency precision regulation for modern system

Manufacturer:

Texas Instruments
Mfr.Part #:

UCC3803
Datasheet:

UCC3803 Datasheet (PDF)
Topology:

Boost, Flyback
Control Mode:

Current
Duty Cycle (max) (%):

100
Switching Frequency (max) (kHz):

1000
EDA/CAD Models:

Request Free CAD Models for UCC3803

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UCC3803 General Description

The UCC3803 is a reliable choice for applications requiring precise control and efficient power management. Its advanced design and integrated components make it ideal for a wide range of industrial and consumer electronics. Whether powering off-line systems or DC-to-DC converters, this IC delivers consistent performance and streamlined operation

Key Features

Symmetric 3V reference
300-ns response from current-sense to gate drive output
1-V totem-pole output voltage range
0.5-mA typical shutdown supply current
500-Hz switching frequency maximum
Internal temperature-compensated reference

Specifications

Topology	Boost, Flyback	Control mode	Current
Duty cycle (max) (%)	100	Switching frequency (max) (kHz)	1000
Features	Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology, Soft start	UVLO thresholds on/off (V)	4.1/3.6
Operating temperature range (°C)	0 to 70	Rating	Catalog
Gate drive (typ) (A)	1	Vin (max) (V)	12