LP3990MF-3.3 National Semiconductor, LP3990MF-3.3 Datasheet - Page 2

• Manufacturer Part Number: LP3990MF-3.3
• Description: IC,VOLT REGULATOR,FIXED,+3.3V,CMOS,TSOP,5PIN,PLASTIC
• Manufacturer: National Semiconductor

Specifications of LP3990MF-3.3

• Rohs Compliant: NO

www.national.com
Pin Descriptions
Connection Diagrams
LLP
Pad
5
2
1
6
3
4
Pin No
micro
SMD
A2
A1
B1
B2
SOT23-5
3
2
5
1
4
Symbol
See NS package number SDE06A
V
GND
GND
V
N/C
N/C
See NS package number TLA04
V
OUT
Micro SMD, 4 Bump Package
EN
IN
LLP-6 Package
Enable Input; Enables the Regulator when ≥ 0.95V.
Disables the Regulator when ≤ 0.4V.
Enable Input has 1MΩ pulldown resistor to GND.
Common Ground. Connect to Pad.
Voltage output. A 0.47µF Low ESR Capacitor should be
connected to this Pin. Connect this output to the load circuit.
Voltage Supply Input. A 1.0µF capacitor should be connected
at this input.
No Connection. Do not connect to any other pin.
No Connection. Do not connect to any other pin.
Common Ground. Connect to Pin 2.
Packages
2
Name and Function
20076803
20076806