1996 Sep 04

18

Philips Semiconductors

Product specification

Light position controller

TDA3629

Figs 15 to 17 show the layout of the immunity test board used for the evaluation.

Fig.14 Circuit diagram of the test board.

Feedback voltage setting J1: amount of voltage difference between J1 and SET input adjusted by potentiometer setting to <50 mV (see also Fig.13).

handbook, full pagewidth

C2

47 nF

+13 V

RFS

C3

47 nF

C1

100 nF

CONTROL

RFC

C4

47 nF

GND

RFG

R4

1.2 k

Ω

R5

820

Ω

R9

510

Ω

R8

510

Ω

R6

820

Ω

R7

1.2 k

Ω

20 k

Ω

15 k

Ω

R2

R1

FB

SET

FB

SET

n.c.

1

16

2

n.c.

10

IC1

TDA3629T

n.c.

3

n.c.

4

VP1

Vbat

5

D1

1N4005

J1

1

VP2

12

n.c.

15

n.c.

7

n.c.

8

n.c.

13

GND

9

C5

1.0 nF

D2

BZT03/C43

C6

47

µF

(50 V)

OUT2

OUT1

OUT2

OUT1

OUT2

OUT1

11

6

n.c.

14

MGE852