LT1725IS データシートの表示（PDF） - Linear Technology
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LT1725IS Datasheet PDF : 28 Pages
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LT1725
RELATED PARTS
PART NUMBER
LT1424-5
LT1424-9
LT1425
LT1533
LTC1693
LTC1698
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
LT1737
High Power Isolated Flyback Controller
LT1950
Single Switch Controller
LTC3705
2-Switch Forward Controller and Gate Driver
LTC3706
Polyphase Secondary-Side Synchronous
Forward Controller
LT3710
Secondary-Side Synchronous Post Regulator
LTC3726
Secondary-Side Synchronous Forward Controller
LT3781
“Bootstrap” Start Dual Transistor Synchronous
Forward Controller
LTC3803
SOT-23 Flyback Controller
LT3804
Secondary Side Dual Output Controller
with Opto Driver
LTC3806
Synchronous Flyback DC/DC Controller
LTC3901
Secondary-Side Synchronous Driver for
Push-Pull and Full-Bridge Converter
LTC4440/LTC4440-5
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, VIN = 2.7V to 23V
CMOS Compatible Input, VCC Range: 4.5V to 12V
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
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
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LT 1105 REV A • PRINTED IN THE USA
© LINEAR TECHNOLOGY CORPORATION 2000
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