NCP330

www.onsemi.com

2

PIN FUNCTION DESCRIPTION

Pin Name

Pin

Number

Type

Description

IN

1

POWER

Power−switch input voltage; connect a 1

mF or greater ceramic capacitor from IN to GND as

close as possible to the IC.

GND

2

POWER

Ground connection;

EN

3

INPUT

Enable input, logic high turns on power switch.

OUT

4

OUTPUT

Power−switch output; connect a 1

mF ceramic capacitor from OUT to GND as close as pos-

sible to the IC is recommended.

PAD1

POWER

Exposed pad can be connected to GND plane for dissipation purpose or any other thermal

plane.

BLOCK DIAGRAM

Charge

Pump

EN block

VREF

Gate driver and soft

start control

IN: Pin1

EN: 3

OUT: Pin 4

2

Battery

Figure 2. Block Diagram

1

mF