LP38856T-1.2/NOPB National Semiconductor, LP38856T-1.2/NOPB Datasheet - Page 2

• Manufacturer Part Number: LP38856T-1.2/NOPB
• Description: IC REG LDO 1.2V 3A TO220-5
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Voltage Regulatorr

Specifications of LP38856T-1.2/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 5.5V
• Voltage - Dropout (typical): 0.24V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A (Max)
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Current, Output: 3 A
• Current, Supply: 10 mA
• Package Type: TO-220
• Regulation, Line: 0.04 %/V
• Regulation, Load: 0.2 %/A
• Regulator Type: Linear, Low Dropout
• Resistance, Thermal, Junction To Case: 3 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Dropout: 240 mV
• Voltage, Input: 3 to 5.5 V
• Voltage, Noise: 150 μV
• Voltage, Output: 1.2 V
• Voltage, Supply, Rejection Ratio: 80 dB
• For Use With: LP38856-1.2EVAL - BOARD EVALUATION LP38856-1.2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LP38856T-1.2/NOPB; LP38856T-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.
LP38856SX-0.8
LP38856SX-1.2
Order Number
LP38856S-0.8
LP38856T-0.8
LP38856S-1.2
LP38856T-1.2
TO-263, Top View
Pin Symbol
GND
BIAS
OUT
TAB
EN
IN
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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
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