LP38855 Datasheet, PDF (2/14 Pages) National Semiconductor (TI) – 1.5A Fast-Response High-Accuracy LDO Linear Regulator with Enable

Ordering Information
V_OUT *
0.8V
1.2V
Order Number
LP38855S-0.8
LP38855SX-0.8
LP38855T-0.8
LP38855S-1.2
LP38855SX-1.2
LP38855T-1.2
Package Type
TO263-5
TO263-5
TO220-5
TO263-5
TO263-5
TO220-5
Package Drawing
TS5B
TS5B
T05D
TS5B
TS5B
T05D
* For custom V_OUT values between 0.8V and 1.2V please contact the National Semiconductor Sales Office.
Connection Diagrams
Supplied As
Rail of 45
Tape and Reel of 500
Rail of 45
Rail of 45
Tape and Reel of 500
Rail of 45
TO-263, Top View
20202602
TO-220, Top View
20202603
Pin Descriptions
Pin #
1
2
3
4
5
TAB
TO220–5 and TO263–5 Packages
Pin Symbol
EN
IN
GND
OUT
BIAS
TAB
Pin Description
The device Enable pin.
The unregulated input voltage pin
Ground
The regulated output voltage pin
The supply for the internal control and reference circuitry
The TAB is a thermal connection that is physically attached to the backside of
the die, and is used as a thermal heat-sink connection. See the Application
Information section for details
www.national.com
2