LM2951 HTC [HTC Korea TAEJIN Technology Co.], LM2951 Datasheet

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LM2951

Manufacturer Part Number
LM2951
Description
100mA LOW DROPOUT VOLTAGE REGULATORS
Manufacturer
HTC [HTC Korea TAEJIN Technology Co.]
Datasheet

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FEATURES
● High accuracy output voltage
● Guaranteed 100 mA output
● Very low quiescent current
● Extremely tight load and line regulation
● Very low temperature coefficient
● Current and thermal limiting
● Low dropout voltage
● Need only 1uF for stability
● Error flag warns of output dropout
● Logi-control electronic shutdown
● Output programmable from 1.24 to 29V
● Moisture Sensitivity Level 3
Applications
● High-efficiency linear regulator, voltage reference
● Battery powered systems
● Portable consumer equipment
● Portable / Parm, Desktop / Notebook computers
● Portable Instrumentation, cordless telephones
● Automotive Electronics, Radio control systems
● SMPS Post-Regulator, Avionics
DESCRIPTION
application such as cordless telephone, radio control systems, and portable computers.
(Typ. 400㎷ at light load and 380㎷ at 100㎃).
and very low output temperature coefficient, making the LM2950/1 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 is the logic-compatible shutdown input which enable the
regulator to be switched on and off. The LM2950/1 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 LM2950/1 is offered in 3-pin to-92 package compatible with other
fixed regulator.
Feb 2009 - Rev. 1.2
100mA LOW DROPOUT VOLTAGE REGULATORS
The LM2950/1 is a low power voltage regulator. This device excellent choice for use in battery powered
The LM2950/1 features very low quiescent current (75㎂ Typ.) and very low drop output voltage
This includes a tight initial tolerance of 0.5% Typ., extremely good load and line regulation of 0.05% Typ.,
− 1 −
ORDERING INFORMATION
(XX= 1.5, 1.8, 2.8, 2.85, 3.0, 3.3, 5.0V,
1
TO- 92 PKG
Pin 1 : Output
Pin 2 : Ground
Pin 3 : Input
2
3
LM2951D-XX
Adjustable)
LM2950-XX
DEVICE
SOP- 8 PKG
Pin : 1. Output
LM2950/1
2. Sense
3. Shutdown
4. Ground
5. Error
6. Tap
7. Feedback
8. Input
SOP-8
TO-92
PKG
HTC

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LM2951 Summary of contents

Page 1

... The LM2950/1 is offered in 3-pin to-92 package compatible with other fixed regulator. Feb 2009 - Rev. 1.2 TO- 92 PKG Pin 1 : Output Pin 2 : Ground Pin 3 : Input ORDERING INFORMATION DEVICE LM2950-XX LM2951D-XX (XX= 1.5, 1.8, 2.8, 2.85, 3.0, 3.3, 5.0V, Adjustable) − 1 − LM2950/1 SOP- 8 PKG Pin : 1. Output 2. Sense 3. Shutdown 4. Ground 5. Error 6. Tap 7. Feedback 8 ...

Page 2

... LOW DROPOUT VOLTAGE REGULATORS BLOCK DIAGRAM AND TYPICAL APPLICATIONS (LM2950) UNREGULATED DC + BLOCK DIAGRAM AND TYPICAL APPLICATIONS (LM2951) 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 Feb 2009 - Rev ...

Page 3

LOW DROPOUT VOLTAGE REGULATORS ELECTRICAL CHARACTERISTICS PARAMETER Output Voltage Output Voltage Output Voltage Temperature Coefficient Line Regulation (Note 3) Load Regulation (Note 3) Dropout Voltage (Note 4) ELECTRICAL CHARACTERISTICS PARAMETER Ground Current Dropout Ground Current Current Limit Thermal Regulation ...

Page 4

LOW DROPOUT VOLTAGE REGULATORS Note 1 : Output or reference voltage temperature coefficients defined as the worst case voltage change divided by the total temperature range. Note 2 : Unless otherwise specified all limits guaranteed for T versions are ...

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