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Part Number: LP2951CM-5

 

 

 

 

Description: ·The LP2951 series of low power voltage regulators have low quiescent current and low dropout...


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LP2951CM-5 General Description


·The LP2951 series of low power voltage regulators have low quiescent current and low dropout voltage.

·The quiescent current increases minimally during dropout conditions thereby extending battery life.

·Available in the 8 lead SOIC package, the LP2951 series includes features such as shutdown and low output voltage detect (typically due to low battery conditions).

·This function may also be used as a power on reset function when triggered by CMOS or TTL inputs.

·The circuit can be used as a fixed voltage 5 volt (3.3 volt for LP2951CM-3.3) regulator or adjusted between 1.24 volts and 29 volts using external resistor pairs.

LP2951CM-5 Maximum Ratings

Parameter

Symbol

Maximum

Units

Supply Voltage

VIN

-0.3 to 30

V

Shutdown Input
Voltage

 

-0.3 to 30

V

Error Comp. Output
Voltage

 

-0.3 to 30

V

Power Dissipation

PD

Internally
Limited

W

Thermal Resistance
Junction to Ambient

JA

175

/W

Operating Junction
Temperature Range

TJ

-40 to 125

Storage
Temperature Range

TSTG

-65 to 150

Lead Temperature
(Soldering) 5 Sec

TLEAD

260

LP2951CM-5 Features

• Guaranteed 150mA current
• Adjustable output voltage - 1.24V to 29V
• Accurate 5V or 3.3V output @ 100mA
• Low dropout voltage - 350-400mV @ 100mA
• Regulator or reference functions
• Direct replacement for LP2951C, MIC2951-03, AS2951C

LP2951CM-5 Typical Application

• Microcontroller supplies
• Linear regulators
• Adjustable Supplies
• Switching power supplies - post-regulation
• Portable modems
• Battery powered systems
• Cellular telephones
•Voltage references

LP2951CM-5 Connection Diagram

LP2951CM-5 Connection Diagram

LP2951CM-5 datasheet

LP2951CM-5
PDF/DataSheet Download

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