AMS3120

2A Fast Transient Linear Regulator

02/11/2010

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2

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Pin Description (SO-8EP package)

Pin #

Symbol

Description

1

NC

No connection

2

EN

Enable pin. It controls the electrical on/off of the device. When connected to logic

low, the device shuts off and consumes 1µA of current. A logic high will resume

normal operation.

3

Input supply Voltage. It powers the internal control circuitry and the internal power

4

NC

No Connection

PG

Power Good pin. It is an open collector, active high output that indicates the status

the PG pin goes in to a high impedance state. When the device is out of regulation

or shutdown, the PG pin is pulled low. A 10KΩ to 1MΩ resistor should be

5

NC

No Connection

6

Output Voltage

7

ADJ

Provides feedback to error amplifier from the resistive divider that sets the output

voltage.

NC

No Connection

8,9

GND

Ground

Pin Configuration

SO-8EP (Top View)