SP7606

12/17/07 rev: A

SP7600

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PIN ASSIGNMENTS

Pin#

Pin Description

Pin Name

DD

1

Divider disconnect; Upper resistor of output voltage

setting divider is connected to this point

OC

2

Over –current protection

GND

3

Ground pin

GATE

4

Gate pin. Connect external MOSFET gate to this pin.

Minimize trace area to reduce EMI

Vcc

5

Internal circuit power source. Bypass Vcc to GND with

0.1

μF capacitor.

SHDN

6

Shutdown pin. Device is active if SHDN is logic LOW

(<0.7V)

Vin

7

Power input pin. Bypass Vin to GND with 1

μF capacitor as

close to Vin as possible

FB

8

Feedback pin. Reference voltage is 0.8V

BLOCK DIAGRAM