© 2007 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FAN3100 • Rev. 1.0.1

3

Pin Definitions

SOT23

Pin #

MLP

Pin #

Name

Pin Description

1

3

VDD

Supply Voltage. Provides power to the IC.

2

AGND

Analog ground for input signals (MLP only). Connect to PGND underneath the IC.

2

GND

Ground (SOT-23 only). Common ground reference for input and output circuits.

3

1

IN+

Non-Inverting Input. Connect to VDD to enable output.

4

6

IN

-

Inverting Input. Connect to AGND or PGND to enable output.

5

4

OUT

UVLO threshold.

Pad

P1

Thermal Pad (MLP only). Exposed metal on the bottom of the package which is

electrically connected to pin 5.

5

PGND

Power Ground (MLP only). For output drive circuit; separates switching noise from

inputs.

Output Logic

IN+

IN−

OUT

0

(7)

0

0

0

(7)

1

(7)

0

1

0

1

1

1

(7)

0

Note:

7.

Default input signal if no external connection is made.