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Ap1635, Pin assignments, Pin descriptions – Diodes AP1635 User Manual

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AP1635

PWM/PFM DUAL MODE STEP-DOWN DC/DC

CONVERTER

AP1635 Rev. 4

2 of 8

FEBRUARY 2009

www.diodes.com

©

Diodes Incorporated

Pin Assignments


1

2

3

4

8

7

6

5

FB

SW

SVcc

SW

CE/SS

GND

GND

PVcc

( Top View )

SOP-8L


Pin Descriptions

























Pin Name

Pin No.

Description

FB 1

Feedback

pin

CE/SS 2

Chip Enable/ Soft Start:
H: Enable
L: Disable

SVcc 3

IC signal power supply pin, add a 20

Ω resistor to PVcc and a

0.1µF capacitor to GND.

PVcc

4

IC power supply pin

SW 5/6

Switch Pin. Connect external inductor/diode here. Minimize
trace area at this pin to reduce EMI.

GND 7/8

GND

Pin