LT3799EMSE-1-PBF Просмотр технического описания (PDF) - Linear Technology

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LT3799EMSE-1-PBF

Offline Isolated Flyback LED Controller with Active PFC

Linear Technology 

LT3799-1

BLOCK DIAGRAM

D2

R3

VIN

D1

T1

R4

C1

s

L1C

C3

R1

C2

L1A

L1B

R5

R10

R2

N:1

CT

6

FAULT

DETECTION

C4

FAULT

5

COMP+

7

9

FB

S&H

A3

+

A2

+–

600mV

–

C6

1M

COMP–

SW1

8

CTRL1

1

CTRL2

2

+++– A5

A6

CTRL3

3

10

DCM

16

VIN_SENSE

1.22V +

A8

–

ONE

SHOT

A7

CURRENT

COMPARATOR

–

+A1

SR

Q

S

MASTER

LATCH

A4

MULTIPLIER

LOW OUTPUT

CURRENT

OSCILLATOR

4 VREF

11

VIN

R7

R8

DRIVER

INTVCC 13

GATE

14

SENSE

15

GND

17

37991 BD

C5

M1

R6

VOUT +

C7

VOUT –

37991f

8

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