2/9

MA5609

Major Power Technology Co., Ltd.

Rev.1.3 Apr. 12 , 2017

The package of MA5609 is SOP8L-EP(Exposed pad); the pin assignment is given by:

( Top View )

1

2

3

4

8

BS

SW

SOP8L-EP

MA5609

PGND

IN

GND

CS

GND

FB

(SW)

Name

Description

BS

Boot-Strap Pin. Supply high side gate driver. Decouple this pin to LX pin with 24ohm +

10nF ceramic cap.

IN

Power Input pin. Bypass IN to GND with a suitably large capacitor to eliminate noise on

the input to the IC.

SW

Power Switching Output. SW is the switching node that supplies power to the output.

Connect the output LC filter from SW to the output load.

PGND

Power Ground.

PAD

Power Switching Output. (Connect to SW PIN).

FB

Feedback Input. FB senses the output voltage to regulate that voltage. Drive FB with a

resistive voltage divider from the output voltage.

CS

The Current Sense pin.

GND

Ground.



ORDER/MARKING INFORMATION

Order Information

Top Marking

Package Type

MA5609

Packing

A : Taping

XX X

Blank: Tube

ES: SOP8L-EP