24

LTC1698

1698f

©LINEAR TECHNOLOGY CORPORATION 2000

LT/TP 0203 2K • PRINTED IN THE USA

PART NUMBER

DESCRIPTION

COMMENTS

LT1339

High Power Synchronous DC/DC Controller

Operation Up to 60V Maximum

LT1425

Isolated Flyback Switching Regulator

General Purpose with External Application Resistor

LT1431

Programmable Reference

0.4% Initial Voltage Tolerance

LT1680

High Power DC/DC Step-Up Controller

Operation Up to 60V Maximum

LT1681

Dual Transistor Synchronous Forward Controller

Operation Up to 72V Maximum

LT1725

General Purpose Isolated Flyback Controller

LT1737

High Power Isolated Flyback Controller

Sense Output Voltage Directly from Primary-Side Winding

LT3710

Secondary Side Synchronous Post Regulator

Generates a Regulated Auxiliary Output in Isolated DC/DC Converters, Dual

N-Channel MOSFET Synchronous Drivers

LT3781

Dual Transistor Synchronous Forward Controller

Operation up to 72V Maximum

RELATED PARTS

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

TYPICAL APPLICATIO S

LT3781/LTC1698 Isolated 3.3V/15A Converter

LT3781/LTC1698 Isolated 3.3V/15A Converter

LOAD CURRENT (A)

0

95

90

85

80

75

70

65

5

10

15

20

1698 TA01

25

30

0

95

90

85

80

75

70

12

1698 TA02

3

6

9

15

LT3781/LTC1698 Isolated 3.3V/15A Converter

Efficiency vs Load Current

LT3781/LTC1698 Isolated 5V/30A Converter

Efficiency vs Load Current

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