LP2951 Exar Corporation, LP2951 Datasheet

LP2951

Manufacturer Part Number

LP2951

Description

Manufacturer

Exar Corporation

Datasheet

1.LP2951.pdf (15 pages)

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042408 Rev F



•       

•    

•      

•      

•    

•    

•    µ  

•   Lead Free, RoHS Compliant Packages:

•    

  

•      

•   

•      

 

                  

                

                     

                  

        

                         

                    

              

   

    

100mA Low Dropout Voltage Regulators

FROM

CMOS OR

TTL

UNREGULATED DC

LP2950-5 Low Dropout Linear Regulator

SHUTDOWN

FEEDBACK

0 mV

.2V

REFERENCE

INPUT

ERROR

AMPLIFIER

Now Available in Lead Free Packaging

ERROR DETECTION

COMPARATOR

•  

•  

•  

• 

•

• 

• 

• 



•  

• 

80kΩ

OUTPUT

0kΩ

LP2950/LP2951

GROUND

5V TAP

ERROR

SENSE

______

5V @ 00mA

TO CMOS OR

TTL

µF

MAX

0kΩ

Related parts for LP2951

LP2951 Summary of contents

Page 1

... Rev F LP2950-5 Low Dropout Linear Regulator LP2950/LP2951  •   ...

... OUT Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes i n output voltage due to heating effects are covered under the specification for thermal regulation. Note 4: Line regulation for the LP2951 is tested 1mA. For I L performance characteristics for line regulation versus temperature and load current. ...

Page 4

Page 5

... OUTPUT CURRENT Drop-Out Voltage Short Circuit Current 2 125ºC A 2.0 1 25º -55ºC A 0.5 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 OUTPUT LOW VOLTAGE (V) LP2951 Comparator Sink Current Line Transient Response 100 µ µ OUT ...

Page 6

... INPUT VOLTAGE (V) LP2950 Maxium Rated Output 042408 Rev F LP2950-5 Low Dropout Linear Regulator -10 -20 -30 -75 -50 - 100 125 150 TEMPEATURE (ºC) LP2951 Feedback Bias Current LP2951 Feedback Pin Current - µ - OUT - 100 µA 100 µ ...

Page 7

... Exar Corporation ...

Page 8

... Exar Corporation ...

Page 9

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... Rev F LP2950-5 Low Dropout Linear Regulator 8 1N457 + OUT LP2951 SENSE GND 4    ...

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... Active Bulk Active Tape & Reel Active Bulk Active Tape & Reel Active Bulk Active Tape & Reel Active Bulk Active Tape & Reel Active Bulk Active Tape & Reel Active Bulk Active Tape & Reel Active © 2008 Exar Corporation ...

Page 15

... While the information in this publication has been carefully checked; no responsibility, however, is assumed for inaccuracies. EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness ...

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LP2951 Exar Corporation, LP2951 Datasheet

LP2951

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LP2951 Summary of contents

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