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See Technical Specifications

UCC2804DTR +BOM

12V, 1A low power BICMOS 1MHz current mode PWM with 12.5V/8.3V UVLO and 50% duty cycle, -40C to 1

Manufacturer:

TI
Mfr.Part #:

UCC2804DTR
Datasheet:

UCC2804DTR Datasheet (PDF)
Topology:

Boost, Flyback, Forward
Control Mode:

Current
Duty Cycle (max) (%):

50
Switching Frequency (max) (kHz):

1000
EDA/CAD Models:

Request Free CAD Models for UCC2804DTR

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UCC2804DTR General Description

The UCC2804DTR is a member of the UCC280x family of high-speed, low-power integrated circuits that are designed for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies. With minimal parts count, this product contains all the necessary control and drive components to efficiently power various devices and equipment

Key Features

100-µA typical starting supply current
500-µA typical operating supply current
Operation up to 1 MHz
Internal soft start
Internal fault soft start
Internal leading-edge blanking of the current sense signal
1-A totem-pole output
70-ns typical response from current-sense to gate drive output
1.5% tolerance voltage reference
Same pinout as UC3842 and UC3842A

Specifications

Topology	Boost, Flyback, Forward	Control mode	Current
Duty cycle (max) (%)	50	Switching frequency (max) (kHz)	1000
Features	Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Leading edge blanking, Multi-topology, Soft start	UVLO thresholds on/off (V)	12.5/8.3
Operating temperature range (°C)	-40 to 125	Rating	Catalog
Gate drive (typ) (A)	1	Vin (max) (V)	12