lt1725cs-trpbf Linear Technology Corporation, lt1725cs-trpbf Datasheet - Page 28

• Manufacturer Part Number: lt1725cs-trpbf
• Description: General Purpose Isolated Flyback Controller
• Manufacturer: Linear Technology Corporation

LT1725
RELATED PARTS
PART NUMBER
LT1424-5
LT1424-9
LT1425
LT1533
LTC1693
LTC1698
LT1737
LT1950
LTC3705
LTC3706
LT3710
LTC3726
LT3781
LTC3803
LT3804
LTC3806
LTC3901
LTC4440/LTC4440-5
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Isolated Flyback Switching Regulator
Isolated Flyback Switching Regulator
Isolated Flyback Switching Regulator
Ultralow Noise 1A Switching Regulator
High Speed Single/Dual N-Channel MOSFET Drivers
Secondary Synchronous Rectifier Controller
High Power Isolated Flyback 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
SOT-23 Flyback Controller
Secondary Side Dual Output Controller
with Opto Driver
Synchronous Flyback DC/DC Controller
Secondary-Side Synchronous Driver for
Push-Pull and Full-Bridge Converter
●
FAX: [phone]
●
www.linear.com
COMMENTS
5V Output Voltage, No Optoisolator Required
9V Output, Regulation Maintained Under Light Loads
No Third Winding or Optoisolator Required
Low Switching Harmonics and Reduced EMI, V
CMOS Compatible Input, V
Use with the LT1681, Optocoupler Driver, Pulse Transformer
Synchronization
Powered from a DC Supply Voltage
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
Adjustable Slope Compensation Internal Soft-Start, 200kHz
Regulates Two Secondary Outputs, Optocoupler Feedback Driver
and Second Output Synchronous Driver Controller
Medium Power, High Efficiency Forced Continuous Operation, 250kHz
Similar Function to LTC3900, Used in Full-Bridge and Push-Pull Converter
CC
Range: 4.5V to 12V
© LINEAR TECHNOLOGY CORPORATION 2000
LT 1105 REV A • PRINTED IN THE USA
IN
= 2.7V to 23V
1725fa