LTC3725_15 Datasheet, PDF (20/20 Pages) Linear Technology – Single-Switch Forward Controller and Gate Driver

LTC3725
RELATED PARTS
PART NUMBER
LTC1693
LTC1698
LT1950
LTC3705
LTC3706
LT3710
LTC3726
LT3781
LT3804
LTC3901
DESCRIPTION
High Speed Single/Dual N-Channel MOSFET Drivers
Secondary Synchronous Rectifier Controller
Single Switch Controller
2-Switch Forward Controller and Gate Driver
Polyphase Secondary-Side Synchronous
Forward Controller
Secondary-Side Synchronous Post Regulator
Secondary-Side Synchronous Forward Controller
“Bootstrap” Start Dual Transistor Synchronous
Forward Controller
Secondary Side Dual Output Controller
with Opto Driver
Secondary-Side Synchronous Driver for
Push-Pull and Full-Bridge Converter
COMMENTS
CMOS Compatible Input, V_CC Range: 4.5V to 12V
Use with the LT1681, Optocoupler Driver, Pulse Transformer
Synchronization
Used for 20W to 500W Forward Converters
2-Switch Version of LTC3725
Fast Transient Response, Self-Starting Architecture, Current Mode Control
For Regulated Auxiliary Output in Isolated DC/DC Converters
Similar to the LTC3706
72V Operation, Synchronous Switch Output
Regulates Two Secondary Outputs, Optocoupler Feedback Driver
and Second Output Synchronous Driver Controller
Similar Function to LTC3900, Used in Full-Bridge and Push-Pull Converter
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3725fa
LT 1006 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2005