LT3799EMSE 查看數據表（PDF） - Linear Technology

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LT3799EMSE

Offline Isolated Flyback LED Controller with Active PFC

Linear Technology 

LT3799

TYPICAL APPLICATION

Universal Input TRIAC Dimmable 14W LED Driver

L1

39mH

L2

750µH

BR1

90V

TO 265V

AC

C1

47nF

C2

0.1µF

C3

0.22µF

R1

R3

250Ω 499k

R2

R4

250Ω 499k

R5

3.48k

R7

100k

R6

D2 20Ω

R8

C4

100k

C5 4.7pF

10µF

R13

D3

2k

VIN

VIN_SENSE

DCM

FB

LT3799

R18 R16

100k 10k

PHOTOCELL R17

10k

FAULT

BR1: DIODES, INC. HD06

D1: CENTRAL SEMICONDUCTOR CMR1U-06M

D2, D3: DIODES INC. BAV20W

D4: DIODES INC. DFLS1150

Z1: FAIRCHILD SMBJ170A

Z2: CENTRAL SEMICONDUCTOR CMZ5938B

T1: WÜRTH ELEKTRONIK WE750813144

M1: ST MICRO STD12N65M5

R9

40.2k

R10

23.2k

VREF

CTRL3

CTRL2

CTRL1

GATE

SENSE

VINTVCC

GND

FAULT CT COMP+ COMP–

C6

0.1µF

C7, 0.1µF

4:1:0.71

R4

100k

Z1

R15

5.90k

D1

R16

20Ω

D4

0.5A

C10

390µF

×2

Z2

14W

LED

POWER

C9

4.7µF

RS

0.10Ω C8

2.2nF

3799 TA04

RELATED PARTS

PART NUMBER

LT3755/ LT3755-1/

LT3755-2

LT3756/ LT3756-1/

LT3756-2

LT3743

LT3518

LT3517

LT3741

DESCRIPTION

High Side 60V, 1MHz LED Controller with 3000:1

True Color PWM™ Dimming

High Side 100V, 1MHz LED Controller with 3000:1

True Color PWM Dimming

Synchronous Step-Down 20A LED Driver with

Three-State LED Current Control

2.3A, 2.5MHz High Current LED Driver with 3000:1

Dimming

1.3A, 2.5MHz High Current LED Driver with 3000:1

Dimming

High Power, Constant-Current, Constant-Voltage

Synchronous Step-Down Controller

COMMENTS

VIN: 4.5V to 40V, VOUT(MAX) = 60V, Dimming: 3000:1 True Color PWM,

ISD < 1µA, 3mm × 3mm QFN-16 and MSOP-16E Packages

VIN: 6V to 100V, VOUT(MAX) = 100V, Dimming: 3000:1 True Color PWM,

ISD < 1µA, 3mm × 3mm QFN-16 and MSOP-16E Packages

VIN: 5.5V to 36V, Dimming: 10000:1 True Color PWM, ISD < 1µA,

5mm × 8mm QFN-52 Package

VIN: 3V to 30V, Dimming: 3000:1 True Color PWM, ISD < 1µA,

4mm × 4mm QFN-16 Package

VIN: 3V to 30V, Dimming: 3000:1 True Color PWM, ISD < 1µA,

4mm × 4mm QFN-16 Package

VIN: 6V to 36V, Average Current Mode Control, ISD < 1µA,

4mm × 4mm QFN-20 and TSSOP-20E Packages

20 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

3799p

LT 0211 • PRINTED IN USA

 LINEAR TECHNOLOGY CORPORATION 2011

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