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LP2951-5.0

Description
Regulator
CategoryPower/power management    The power supply circuit   
File Size117KB,3 Pages
ManufacturerFCI / Amphenol
Download Datasheet Parametric Compare View All

LP2951-5.0 Overview

Regulator

LP2951-5.0 Parametric

Parameter NameAttribute value
Objectid110120561
package instruction,
Reach Compliance Codeunknown
ECCN codeEAR99
LP2950/LP2951 100mA Low Drop Out Voltage Regulators
FEATURES
High accuracy output voltage
Guaranteed 100mA output
Very low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low temperature coefficient
Needs only 1µF for stability
Error Flag warns of output dropout
Logic-Controlled electronic shutdown
Output programmable from 1.24 to 29V
APPLICATIONS
Battery powered systems
Cordless telephones
Radio control systems
Portable/Palm top/Notebook computers
Portable consumer equipment
Portable Instrumentation
Avionics
Automotive Electronics
SMPS Post-Regulator
Voltage Reference
PRODUCT DESCRIPTION
The LP2950-XX/LP2951-XX is a low power voltage regulator. This device excellent choice for use in battery powered application such as c
ordless telephone, radio control systems, and portable computers.
The LP2950-XX/LP2951-XX features very low quiescent current (75µA Typ.) and very low drop output voltage (Typ.
40mV at light load and 380mV at 100mA). This includes a tight initial tolerance of 0.5% typ., extremely good load
and line regulation of 0.05% typ., and very low output temperature coefficient, making the LP2950-XX/LP2951-XX
useful as a low-power voltage reference.
The error flag output feature is used as power-on reset for warn of a low output voltage, due to following batteries on input. Other feature i
s the logic-compatible shutdown input which enable the regulator to be switched on and off.
The LP2951-XX is available in 8-pin plastic packages. The regulator output voltage may be pin-strapped for a -XX volt or programmed from
1.24 volt to 29 volts with external pair of resistors.
The LP2950-XX is offered in 3-pin TO-92 package compatible with other fixed regulator.
Absolute Maximum Ratings
Power Dissipation
Lead Temperature
(Soldering, 5 seconds)
Storage Temperature Range
Operating Junction Temperature Range
Input Supply Voltage
Feedback Input Voltage
Shutdown Input Voltage
Error Comparator Output
Internally Limited
260°C
-65°C to+150°C
-55°C to +150°C
-0.3 to +30V
-1.5 to +30V
-0.3 to +30V
-0.3 to +30V
Pin Connection
LP2951-XX
Device Selection Guide
V u
, V
ot
Top View
TO-92 Plastic Package
(LP2950-XX only)
Device
olts
2.85*
LP2950-2.85, LP2951-2.85
3.0
LP2950-3.0, LP2951-3.0
3.3
LP2950-3.3, LP2951-3.3
5.0
LP2950-5.0, LP2951-5.0
* - other versions are also available
Vout = 2.0V to 5.0V. Please consult factory for
more information
Bottom View
Figure 1. Adjustable Regulator

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Reach Compliance Code unknown unknown unknown
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