963A25 查看數據表（PDF） - Linear Technology

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963A25

1.5A, Low Noise, Fast Transient Response LDO Regulators

Linear Technology 

TYPICAL APPLICATIONS

LT1963A Series

SCR Pre-Regulator Provides Efficiency Over Line Variations

L2

90-140

VAC

10VAC AT

115VIN

10VAC AT

115VIN

1N4148

1k

L1

500μH

+

10000μF

LT1963A-3.3

IN

OUT

SHDN FB

GND

34k*

3.3VOUT

+

1.5A

22μF

1N4002

“SYNC”

1N4002

TO ALL “+V”

POINTS +

22μF

1N4002

2.4k

750Ω

12.1k*

+V

+

C1A

1/2

LT1018

–

200k

1N4148

0.1μF

+V

0.033μF

C1B

750Ω

1/2

LT1018

1N4148

+V

A1

LT1006

10k

1μF

+V

10k

10k

+V

L1 = COILTRONICS CTX500-2-52

L2 = STANCOR P-8559

* = 1% FILM RESISTOR

= NTE5437

LT1004

1.2V

1963A TA03

1963afd

21

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