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LP3983 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LP3983
Description  Micropower, Low Quiescent Current, CMOS Voltage Regulator in micro SMD Package
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3983 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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LP3983
Micropower, Low Quiescent Current, CMOS Voltage
Regulator in micro SMD Package
General Description
The LP3983 is a fixed voltage low current regulator.
The LP3983 is ideally suited to standby type applications in
battery powered equipment, it allows the lifetime of the bat-
tery to be maximized. The device can be controlled via an
Enable(disable) control and can thus be used by the system
to further extend the battery lifetime by reducing the power
consumption to virtually zero.
Performance is specified for a -40˚C to 125˚C temperature
range.
For output voltages other than those stated and alternative
package options, please contact your local NSC sales office.
Features
n
Miniature 5 pin package
n
Logic Controlled Enable
n
No Noise Bypass Capacitor Required
n
Stable with Low ESR Ceramic Capacitors
n
Fast turn ON
n
Short Circuit Protection
Package
n
Tiny 5 Pin micro SMD
828µm by 1387µm
Key Specifications
n
Input Voltage Range
2.5 to 6.0V
n
Output Voltages
1.6, 1.8, & 2.5
n
Output Current
5mA
n
Output Capacitors
1µF Low ESR
n
Virtually Zero I
Q (Disabled)
1.0µA
n
Low I
Q (Enabled)
14µA
n
PSRR
10dB
n
Fast Start Up
170µs
Applications
n
GSM Portable Phones
n
CDMA Cellular Handsets
n
Bluetooth Devices
n
Portable Information Appliances
Typical Application Circuit
20057601
May 2003
© 2003 National Semiconductor Corporation
DS200576
www.national.com


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