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LP3990 Datasheet(PDF) 2 Page - Texas Instruments

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Part # LP3990
Description  LP3990 150mA Linear Voltage Regulator for Digital Applications
PDF  24 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP3990 Datasheet(HTML) 2 Page - Texas Instruments

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VIN
GND
6
5
VEN
4
N/C
1
VOUT
2
Gnd
3
N/C
VIN
GND
6
5
VEN
4
N/C
1
VOUT
2
Gnd
3
N/C
Top View
Bottom View
Bottom View
Top View
B1
A1
B2
A2
VIN
VOUT
VEN
GND
B1
A1
B2
A2
VIN
VOUT
VEN
GND
LP3990
SNVS251I – MAY 2004 – REVISED MAY 2013
www.ti.com
PIN DESCRIPTIONS
Pin No
Symbol
Name and Function
WQFN
DSBGA
SOT-23
5
A2
3
VEN
Enable Input; Enables the Regulator when
≥ 0.95V.
Disables the Regulator when
≤ 0.4V.
Enable Input has 1M
Ω pulldown resistor to GND.
2
A1
2
GND
Common Ground. Connect to Pad.
1
B1
5
VOUT
Voltage output. A 1.0µF Low ESR Capacitor should be connected to this Pin.
Connect this output to the load circuit.
6
B2
1
VIN
Voltage Supply Input. A 1.0µF capacitor should be connected at this input.
3
4
N/C
No Connection. Do not connect to any other pin.
4
N/C
No Connection. Do not connect to any other pin.
Pad
GND
Common Ground. Connect to Pin 2.
Connection Diagram
DSBGA, 4 Bump Package
See Package Number YZR0004
WQFN-6 Package
See Package Number NGG0006A
2
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Copyright © 2004–2013, Texas Instruments Incorporated
Product Folder Links: LP3990



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