7636-041709-6

C1 = 100uF

R6 = 47kΩ

D3 = 1N4004

C2 = 0.0047uF

R6 = 91kΩ

D4 = 1N4004

C3 = 0.047uF

R7 = 47kΩ

D5 = DF02

C4 = 0.1uF

R7 = 91kΩ

D5 = DF04

R1 = 150kΩ

R8 = 10kΩ

Q1 = MJE340 (or equivalent)

R1 = 270kΩ, 1/2W

R9 = 0.25Ω, 1W (

For 1 Amp RMS Max)

Q2 = Liteon LTV354T (or equivalent)

R2 = 390Ω

R10 = 4.3kΩ, 1/2W

Q3 = IRF630 (Typical)

R3 = 39kΩ

D1 = 12V, 1/2W, 5%

Q3 = IRF730 (Typical)

R4 = 1.5MΩ

D2 = 5.6V, 1/4W, 10%

R5 = 150kΩ

All Resistors 1/4W, All Capacitors 25V unless otherwise specified

* = Component change for 220VAC

*

*

*

FIGURE 5. Reverse Phase Dimmer (Option 2)

*

*

MODE

TEST

SYNC

GATE

OVC

SENS/

SENSE

SWITCH

3

4

2

1

Q2

C2

R3

+

C1

D1

C4

R8

LOAD

TRANSFORMER

P

D2

R2

Q1

R1

N

R5

C3

R4

R6

1

2

3

Q3

EXT

SWITCH

+

-

U3

LS7636

R7

D3

D4

R9

D5

1

2

3

4

5

6

7

8

R10