iW3614

iW3614

AC/DC Digital Power Controller for

High Power Factor Dimmable LED Drivers

AC Input

From Dimmer

RTN

+

U1

iW3614

NTC

OUTPUT(TR)

VT

OUTPUT

GND

1

2

3

8

7

6

4

5

+

L1

3.7 mH

R1

4.7 kΩ

L2

3.7 mH

R2

4.7 kΩ

F1

1A 250 V

CX1

10 nF

R3

300 kΩ

R4

300 kΩ

C12

100 pF

C11

EE10

R6

47 Ω

R10

R5

390 Ω

D3

ESIJ

D2

RSIM

Q2

02N6

C1

10 nF

C3

1 nF

D4

RSIM

D7

HER306G

R20

100 kΩ

R18

24 kΩ

R19

2.7 kΩ

D6

1N4148

3.3 Ω

R15

Q1

04N6

BR1

DB107

Q3

DMZ6005

4.0mH

22 nF/500 V

R8

120 kΩ

R9

120 kΩ

2 W

220 kΩ

+ C8

47 µF

10 Ω

R17

C4

100 pF

1 kΩ

D5

1N4148

10 Ω

R11

22 kΩ

C6

4.7 nF

25 V

C9

47 µF

50 V

L4

450 µH

L5

0.65 mH

R24

4.7 kΩ

CX2

22 nF

275 V

275 V

D1

RSIM

R22

24 kΩ

R26

100 kΩ

R25

100 kΩ

L3

R7

100 kΩ

250 V

500 V

+

C2

10 µF

450 V

100 kΩ

R12

C7

2.2 µF

25 V

R13

15 V

Z1

C5

22 pF

3.3 Ω

R14

11.0 Typical Application Schematic

Figure 11.1 : Schematic of a 40-V, 350-mA Dimmable LED Driver for 230-V