LT3799EMSE Просмотр технического описания (PDF) - Linear Technology

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LT3799EMSE

Offline Isolated Flyback LED Controller with Active PFC

Linear Technology 

LT3799

TYPICAL APPLICATIONS

Universal TRIAC Dimmable 20W LED Driver

L1

33mH

L2

800µH

BR1

90V

TO 265V

AC

C1

0.1µF

C2

0.1µF

R18

100k

FAULT

BR1: DIODES, INC. HD06

D1: CENTRAL SEMICONDUCTOR CMR1U-06M

D2, D3: DIODES INC. BAV20W

DR: CENTRAL SEMICONDUCTOR CMR1U-02M

Z1: FAIRCHILD SMBJ170A

Z2: CENTRAL SEMICONDUCTOR CMZ5938B

T1: COILCRAFT JA4429-AL

M1: FAIRCHILD FDPF15N65

C3

0.22µF

R3

R1

499k

200Ω R4

499k

R5

3.48k

R16

32.4k

R9

40.2k

100k

NTC R10

24.9k

R7

100k

R6

D2 20Ω

R8

C4

100k

C5 4.7pF

10µF

R13

D3

2k

VIN

VIN_SENSE

DCM

FB

LT3799

VREF

CTRL3

CTRL2

CTRL1

GATE

SENSE

VINTVCC

GND

FAULT CT COMP+ COMP–

C7, 0.1µF

4:1:1

R4

100k

D4

1A

R15

4.99k

R16

20Ω

Z1

D1

M1

C10

560µF

×2

Z2

C9

4.7µF

RS

0.05Ω C8

2.2nF

3799 TA02

20W

LED

POWER

Component Values for Input Voltage Ranges

R5 (Ω)

R10 (Ω)

Optimized for 110V

6.34k

16.2k

Optimized for 220V

3.48k

24.9k

Universal

3.48k

15.4k

RS (Ω)

0.05

0.075

0.05

R1 (Ω)

200

1.00k

200

C2 (µF)

0.1

0.033

0.1

C3 (µF)

0.22

0.1

0.22

3799p

17

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