Connection Diagrams

20126803

SOT-223, Top View

LP38693MP-ADJ

20126804

6-Lead LLP, Bottom View

LP38691SD-ADJ

20126805

6-Lead LLP, Bottom View

LP38693SD-ADJ

Pin Description

PIN

DESCRIPTION

V

IN

This is the input supply voltage to the regulator. For LLP package devices, both V

tied together for full current operation (250mA maximum per pin).

GND

Circuit ground for the regulator. This is connected to the die through the lead frame, and also

functions as the heat sink when the large ground pad is soldered down to a copper plane.

V

OUT

Regulated output voltage.

V

EN

The enable pin allows the part to be turned ON and OFF by pulling this pin high or low.

ADJ

The adjust pin is used to set the regulated output voltage by connecting it to the external

resistors R1 and R2 (see Typical Application Circuit).

Ordering Information

Order Number

Package Marking

Package Type

Package Drawing

Supplied As

LP38691SD-ADJ

L117B

6-Lead LLP

SDE06A

1000 Units Tape and Reel

LP38693SD-ADJ

L127B

6-Lead LLP

SDE06A

1000 Units Tape and Reel

LP38693MP-ADJ

LJUB

SOT-223

MP05A

1000 Units Tape and Reel

LP38691SDX-ADJ

L117B

6-Lead LLP

SDE06A

4500 Units Tape and Reel

LP38693SDX-ADJ

L127B

6-Lead LLP

SDE06A

4500 Units Tape and Reel

LP38693MPX-ADJ

LJUB

SOT-223

MP05A

2000 Units Tape and Reel

www.national.com

2