OUT

1

2

3

4

GND

IN

EN

5

N/C

1

2

3

5

4

EN

GND

IN

OUT

B2

B1

A2

A1

OUT

GND

IN

EN

B2

B1

A2

A1

OUT

GND

IN

EN

TOP VIEW

BOTTOM VIEW

4

LP5907

SNVS798N – APRIL 2012 – REVISED APRIL 2018

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Product Folder Links: LP5907

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Copyright © 2012–2018, Texas Instruments Incorporated

5 Pin Configuration and Functions

YKE and YKM Packages

4-Pin DSBGA

Pin Functions: DSBGA

PIN

I/O

DESCRIPTION

DSBGA

NUMBER

NAME

A1

IN

I

Input voltage supply. Connect a 1-µF capacitor at this input.

A2

OUT

O

Regulated output voltage. Connect a minimum 1-µF low-ESR capacitor to this pin. Connect

this output to the load circuit. An internal 230-Ω (typical) pulldown resistor prevents a charge

B1

EN

I

pin enables the regulator output. This pin has an internal 1-MΩ pulldown resistor to hold the

regulator off by default.

B2

GND

—

Common ground

DQN Package

4-Pin X2SON

Bottom View

DBV Package

5-Pin SOT-23

Top View

Pin Functions: X2SON, SOT-23

PIN

I/O

DESCRIPTION

NAME

X2SON

NUMBER

SOT-23

NUMBER

IN

4

1

I

Input voltage supply. Connect a 1-µF capacitor at this input.

OUT

1

5

O

Regulated output voltage. Connect a minimum 1-µF low-ESR capacitor to this

pin. Connect this output to the load circuit. An internal 230-Ω (typical) pulldown

EN

3

3

I

discharges the output pin to GND through an internal 230-Ω pulldown resistor. A

internal 1-MΩ pulldown resistor to hold the regulator off by default.

GND

2

2

—

Common ground

N/C

—

4

—

No internal electrical connection.

Thermal Pad

5

—

—

Thermal pad for X2SON package, connect to GND or leave floating. Do not

connect to any potential other than GND.