LP38855S-1.2/NOPB National Semiconductor, LP38855S-1.2/NOPB Datasheet - Page 2

• Manufacturer Part Number: LP38855S-1.2/NOPB
• Description: IC REG LDO 1.5A 1.2V TO263-5
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP38855S-1.2/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 5.5V
• Voltage - Dropout (typical): 0.13V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A (Max)
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-5, D²Pak (5 leads + Tab), TO-263BA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Other names: *LP38855S-1.2/NOPB; LP38855S-1.2

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Ordering Information
* For custom V
Connection Diagrams
Pin Descriptions
V
0.8V
1.2V
OUT
Pin #
TAB
*
1
2
3
4
5
OUT
values between 0.8V and 1.2V please contact the National Semiconductor Sales Office.
LP38855SX-0.8
LP38855SX-1.2
Order Number
LP38855S-0.8
LP38855T-0.8
LP38855S-1.2
LP38855T-1.2
TO-263, Top View
Pin Symbol
GND
BIAS
OUT
TAB
EN
IN
20202602
TO220–5 and TO263–5 Packages
Package Type
TO263-5
TO263-5
TO220-5
TO263-5
TO263-5
TO220-5
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
2
Package Drawing
TS5B
TS5B
TS5B
TS5B
T05D
T05D
Pin Description
TO-220, Top View
Tape and Reel of 500
Tape and Reel of 500
Supplied As
Rail of 45
Rail of 45
Rail of 45
Rail of 45
20202603