LP3981IMM-2.5/NOPB National Semiconductor, LP3981IMM-2.5/NOPB Datasheet - Page 2

• Manufacturer Part Number: LP3981IMM-2.5/NOPB
• Description: IC REG LDO 300MA 2.5V 8MSOP
• Manufacturer: National Semiconductor

Specifications of LP3981IMM-2.5/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 2.5V
• Voltage - Input: 2.7 ~ 6 V
• Voltage - Dropout (typical): 0.132V @ 300mA
• Number Of Regulators: 1
• Current - Output: 300mA
• Current - Limit (min): 300mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LP3981IMM-2.5; LP3981IMM-2.5TR

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Block Diagram
Pin Descriptions
Connection Diagrams
See NS Package Number MUA008AE
V
MSOP-8 Package
OUT-SENSE
Bypass
Name
V
GND
GND
V
N.C
V
OUT
EN
Top View
IN
MSOP-8
3, 8
7
5
1
2
6
4
20020307
LLP-6
PAD
2
6
4
1
2
5
3
Enable Input Logic, Enable High.
Common Ground. Connect to PAD.
Output Voltage of the LDO.
Input Voltage of the LDO.
Optional bypass capacitor for noise
reduction.
Output. Voltage Sense Pin. Should
be connected to V
operation.
Common Ground. Connect to pin 4.
See NS Package Number LDC06D
Function
LLP-6 Package
Top View
OUT
for proper
20020301
20020370