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MFG:sipex  Package Cooled:sot-23  

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Part Number: SPX2431

 

MFG: sipex

Package Cooled: sot-23

 

Description: The SPX2431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate bandgap ref...


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SPX2431 General Description


The SPX2431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate bandgap reference. The SPX2431 acts as an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX2431's thermal stability, wide operating current (100mA) and temperature range (0to 105) makes it suitable for a variety of applications that require a low cost, high performance solution. SPX2431A tolerance of 0.5% is proven to be sufficient to
overcome all of the other errors in the system to virtually eliminate the need for trimming in the power supply manufacturer's assembly line and contribute a significant cost savings.

The output voltage may be adjusted to any value between VREF and 20 volts with two external resistors. In the standard shunt configuration, the combination of a low temperature coefficient, sharp turn on characteristics, low output impedance, and programmable output voltage makes this precision reference an excellent error amplifier. The SPX2431 is available in SOT-23-3 package.

SPX2431 Maximum Ratings

Cathode-Anode Reverse Breakdown VKA ..................... 20V
Anode-Cathode Forward Current, (<10ms) IA................ 1A
Operating Cathode Current IKA .............................. 100mA
Reference Input Current IREF .................................. 1.0mA
Continuos Power Dissipation at 25 PD
SOT-23      ............................................................. 200 mW
Junction Temperature TJ .......................................... 150
Storage Temperature TSTG ............................ -65 to 150
Lead Temperature (Soldering 10 sec.) TL ................. 300
NOTE: Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

SPX2431 Features

`Trimmed Bandgap to 0.5% and 1.0%
`Wide Operating Current 1mA to 100mA
`Extended Temp. Range: 0to 105
`Low Temperature Coefficient 30 ppm/
`Offered in 3 Pin SOT-23 (M)
`Replacement for TL431, AS2431
`Low Noise Output

SPX2431 Typical Application

· Battery Operating Equipment
· Adjustable Supplies
· Switching Power Supplies
· Error Amplifiers
· Single Supply Amplifier
· Monitors / VCRs / TVs
· Personal Computers

SPX2431 datasheet

SPX2431
PDF/DataSheet Download

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