Datasheet Texas Instruments UC1825L

High Speed PWM Controller 20-LCCC -55 to 125

Datasheets

PDF, 2.1 Mb, Revision: A, File published: Feb 24, 2004

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Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	No

Control Method	Current
Duty Cycle(Max)	80 %
Frequency(Max)	1000 kHz
Frequency(Min)	0.1 kHz
Operating Temperature Range	-55 to 125 C
Package Group	LCCC
Package Size: mm2:W x L	20LCCC: 79 mm2: 8.89 x 8.89(LCCC) PKG
Rating	Military
Special Features	Error Amplifier,Soft Start,Synchronization Pin,Multi-topology
Topology	Boost,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull
UVLO Thresholds On/Off	9.2/8.4 V
Vin(Max)	30 V
Vin(Min)	8.4 V

RoHS	See ti.com

Download
U-110 1.5 Mhz Current Mode IC Controlled 50-Watt Power Supply
PDF, 298 Kb, File published: Sep 5, 1999
The UC3825 family of PWM control ICs is optimized for high-frequency switched-mode power-supply applications. This application note describes the development of a 1.5 MHz current-mode IC-controlled 50W power supply. Push-pull topology is used for this DC-to-DC converter application of +48V input to +5V at 10A output. Increases in switching speed and dynamic performance are made possible by the U
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U-111 Practical Considerations in Current Mode Power Supplies
PDF, 787 Kb, File published: Sep 5, 1999
This application note explains the numerous PWM functions and ways to maximize their usefulness. It covers practical circuit design considerations such as slope compensation gate drive circuitry external control functions synchronization and paralleling current-mode controlled modules. Circuit diagrams and simplified equations are included.

Series: UC1825 (8)

Semiconductors > Space & High Reliability > Power Management Products > Offline and Isolated DC/DC Controller and Converter