LP3986BLX-2528 NSC [National Semiconductor], LP3986BLX-2528 Datasheet - Page 2

• Manufacturer Part Number: LP3986BLX-2528
• Description: Dual Micropower 150 mA Ultra Low-Dropout CMOS Voltage Regulators in micro SMD Package
• Manufacturer: NSC [National Semiconductor]

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Block Diagram
Pin Description
Connection Diagram
* Note: The pin numbering scheme for the micro SMD package was revised in April 2002 to conform to JEDEC standard. Only the pin
numbers were revised. No changes to the physical location of the inputs/outputs were made. For reference purposes, the obsolete
numbering scheme had V
as pin 8.
BYPASS
Name
V
V
GND
GND
EN
EN
OUT2
OUT1
V
IN
2
1
OUT2
See NS Package Number BLA08
as pin 1, EN
8 Bump micro SMD Package
*micro SMD
C1
C2
C3
A1
B1
B3
A3
A2
2
as pin 2, BYPASS as pin 3, GND as pins 4 and 5, EN
Top View
LP3986
2
Output Voltage of the second LDO
Enable input for the second LDO
Bypass capacitor for the bandgap
Common ground
Common ground
Enable input for the first LDO
Output Voltage of the first LDO
Common input for both LDOs
20003404
Function
1
as pin 6, V
20003402
OUT1
as pin 7, and V
IN