LTC1698 查看數據表（PDF） - Linear Technology
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LTC1698 Datasheet PDF : 24 Pages
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LTC1698
TYPICAL APPLICATIO S
LT3781/LTC1698 Isolated 3.3V/15A Converter
TOP
LT3781/LTC1698 Isolated 3.3V/15A Converter
BOTTOM
LT3781/LTC1698 Isolated 5V/30A Converter
Efficiency vs Load Current
95
VIN = 36V
90
85
VIN = 48V
80
VIN = 72V
75
70
65
0
5 10 15 20 25 30
LOAD CURRENT (A)
1698 TA01
LT3781/LTC1698 Isolated 3.3V/15A Converter
Efficiency vs Load Current
95
VIN = 36V
90
85
VIN = 48V
80
75
70
0
VIN = 72V
3
6
9
IOUT (XX)
12
15
1698 TA02
RELATED PARTS
PART NUMBER
LT1339
LT1425
LT1431
LT1680
LT1681
LT1725
LT1737
LT3710
DESCRIPTION
High Power Synchronous DC/DC Controller
Isolated Flyback Switching Regulator
Programmable Reference
High Power DC/DC Step-Up Controller
Dual Transistor Synchronous Forward Controller
General Purpose Isolated Flyback Controller
High Power Isolated Flyback Controller
Secondary Side Synchronous Post Regulator
LT3781
Dual Transistor Synchronous Forward Controller
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
COMMENTS
Operation Up to 60V Maximum
General Purpose with External Application Resistor
0.4% Initial Voltage Tolerance
Operation Up to 60V Maximum
Operation Up to 72V Maximum
Drives External Power MOSFET with External ISENSE Resistor
Sense Output Voltage Directly from Primary-Side Winding
Generates a Regulated Auxiliary Output in Isolated DC/DC Converters, Dual
N-Channel MOSFET Synchronous Drivers
Operation up to 72V Maximum
1698f
LT/TP 0203 2K • PRINTED IN THE USA
© LINEAR TECHNOLOGY CORPORATION 2000
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