FSES0765RG 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FSES0765RG

Green Mode Fairchild Power Switch (FPS™) for CRT Monitors

Fairchild Semiconductor 

Pin Definitions

FSES0765RG

Pin Number

1

2

3

4

5

6

Pin Name

Drain

GND

Vcc

Vfb

Vsync

Vstr

Pin Function Description

This pin is the high voltage power SenseFET drain connection.

This pin is the control ground and the SenseFET source.

This pin is the positive supply input. This pin provides the internal operating

current for both start-up and steady-state operation.

This pin is internally connected to the inverting input of the PWM comparator.

The collector of an opto-coupler is typically tied to this pin. For stable

operation, a capacitor should be placed between this pin and GND. If the

voltage of this pin reaches 7.5V, the over load protection triggers resulting in

shutdown of the FPS.

This pin is for synchronized switching. For proper synchronization, a pulse

signal should be applied on this pin. The internal MOSFET is turned on being

synchronized by the falling edge of this signal.

This pin is connected directly to the high voltage DC link. At startup, the

internal high voltage current source supplies the internal bias and charges the

external capacitor that is connected to the Vcc pin. Once Vcc reaches 12V, the

internal current source is disabled.

Pin Configuration

TO-220-6L

6. Vstr

5. Vsync

4. VFB

3. Vcc

2. GND

1. Drain

Figure 3. Pin Configuration (Top View)

3

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