3

LP2981-N

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SNOS773N – MARCH 2000 – REVISED APRIL 2016

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5 Pin Configuration and Functions

DBV Package

5-Pin SOT-23

Top View

Pin Functions

PIN

TYPE

DESCRIPTION

NO.

NAME

1

IN

I

Input voltage pin

2

GND

—

Common ground (device substrate)

3

ON/OFF

I

Logic high enable input

4

NC

—

DO NOT CONNECT. Device pin 4 is reserved for post packaging test and calibration of the

LP2989 VOUT accuracy. Device pin 2 must be left floating. Do not connect to any potential. Do

not connect to ground. Any attempt to do pin continuity testing on device pin 2 is discouraged.

Continuity test results will be variable depending on the actions of the factory calibration.

Aggressive pin continuity testing (high voltage, or high current) on device pin 2 may activate the

trim circuitry forcing VOUT to move out of tolerance.

5

OUT

O

Regulated output voltage