Sony SS-FRF7ED Service Manual

20

1

VSENSE

I

Terminal for detection of AC line voltage.

2

F/B

I

Terminal for frequency modulation with FB.

3

CT

I

Capacitor for oscillator.

4

RT

I

Oscillator frequency setting resistor

5

GND

—

Ground

6

TIMER

I

Capacitor determines the period of abnormal detection.

7

SS

I

Capacitor for a soft start timing.

8

VC1

I

Power supply terminal for the control circuit.

9

OCP

I

Terminal for over current detection and didt protection.

10

VC2

O

Power supply terminal for a driver.

11

P_GND

—

Ground for low side driver.

12

VG_L

O

Output of low side driver.

13

—

—

Not used. (Open)

14

VB

O

Power supply terminal for high side driver.

15

VS

I

Reference voltage terminal for high side driver.

16

VG_H

O

Output of high side driver.

17

—

—

Not used. (Open)

18

VD

I

Terminal for Drain-Kick starting.

Pin No.

Pin Name

I/O

Pin Description