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LP3990SD-1.2 Datasheet(PDF) 1 Page - Texas Instruments

Part # LP3990SD-1.2
Description  LP3990 150mA Linear Voltage Regulator for Digital Applications
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP3990SD-1.2 Datasheet(HTML) 1 Page - Texas Instruments

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LP3990
VOUT
VIN
1.0 PF
1.0 PF
VEN
GND
VIN
VEN
6
5
2
1
VOUT
(WQFN pin connections shown)
LP3990
www.ti.com
SNVS251I – MAY 2004 – REVISED MAY 2013
LP3990 150mA Linear Voltage Regulator for Digital Applications
Check for Samples: LP3990
1
FEATURES
APPLICATIONS
2
1% Voltage Accuracy at Room Temperature
Cellular Handsets
Stable with Ceramic Capacitor
Hand-Held Information Appliances
Logic Controlled Enable
DESCRIPTION
No Noise Bypass Capacitor Required
The LP3990 regulator is designed to meet the
Thermal-Overload and Short-Circuit Protection
requirements of portable, battery-powered systems
providing an accurate output voltage, low noise, and
KEY SPECIFICATIONS
low quiescent current. The LP3990 will provide a
0.8V output from the low input voltage of 2V at up to
Input Voltage Range, 2.0 to 6.0V
150mA load current. When switched into shutdown
Output Voltage Range, 0.8 to 3.3V
mode via a logic signal at the enable pin, the power
Output Current, 150mA
consumption is reduced to virtually zero.
Output Stable - Capacitors, 1.0µF
The LP3990 is designed to be stable with space
Virtually Zero IQ (Disabled), <10nA
saving ceramic capacitors as small as 1.0µF.
Very Low IQ (Enabled), 43µA
Performance is specified for a -40°C to 125°C
Low Output Noise, 150µVRMS
junction temperature range.
PSRR, 55dB at 1kHz
For output voltages other than 0.8V, 1.2, 1.35V, 1.5V,
1.8V, 2.5V, 2.8V, or 3.3V please contact your local
Fast Start Up, 105µs
NSC sales office.
PACKAGE
All available in Lead Free option.
4-Pin DSBGA, 1 mm x 1.3 mm
6-pin WQFN (SOT-23 Footprint)
SOT-23
For other package options contact your Texas Instruments sales
office.
Typical Application Circuit
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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