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MIC2937A

Features: •High output voltage accuracy•Guaranteed 750mA output•Low quiescent current•Low dropout voltage•Extremely tight load and line regulation•Very low temperature coefficient•Current and thermal limiting•Input can withstand 20V reverse battery a...

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SeekIC No. : 004420864 Detail

MIC2937A: Features: •High output voltage accuracy•Guaranteed 750mA output•Low quiescent current•Low dropout voltage•Extremely tight load and line regulation•Very low temper...

MIC2937A Data Sheet

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Part Number:
MIC2937A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

•High output voltage accuracy
•Guaranteed 750mA output
•Low quiescent current
•Low dropout voltage
•Extremely tight load and line regulation
•Very low temperature coefficient
•Current and thermal limiting
•Input can withstand 20V reverse battery and +60V positive transients
•Error flag warns of output dropout
•Logic-controlled electronic shutdown
•Output programmable from 1.24V to 26V(MIC29372)
•Available in TO-220, TO-263, TO-220-5, and TO-263-5
packages.


Application

•Battery Powered Equipment
•Cellular Telephones
•Laptop, Notebook, and Palmtop Computers
•PCMCIA VCC and VPP Regulation/Switching
•Bar Code Scanners
•Automotive Electronics
•SMPS Post-Regulator/ DC to DC Modules
•High Efficiency Linear Power Supplies


Pinout

Connection Diagram Connection Diagram


Specifications

Power Dissipation  (Note 1)..............Internally Limited
Lead Temperature (Soldering, 5 seconds)........260°C
Storage Temperature Range.........65°C to +150°C
Operating Junction Temperature Range
......................................................40°C to +125°C
TO-220 JC......................................................2.5°C/W
TO-263 JC......................................................2.5°C/W
Input Supply Voltage...............................20V to +60V
Operating Input Supply Voltage...................2V† to 26V
Adjust Input Voltage (Notes 9 and 10)
...............................................................1.5V to +26V
Shutdown Input Voltage.........................0.3V to +30V
Error Comparator Output Voltage..........0.3V to +30V


Description

The MIC2937A family are "bulletproof" efficient voltage regulators with very low dropout voltage (typically 40mV at light loads and 300mV at 500mA), and very low quiescent current (160µA typical). The quiescent current of it increases only slightly in dropout, thus prolonging battery life. Key MIC2937A features include protection against reversed battery, fold-back current limiting, and automotive "load dump"protection (60V positive transient).

The MIC2937 is available in several configurations. The MIC2937A-xx devices are three pin fixed voltage regulators with 3.3V, 5V, and 12V outputs available. The MIC29371 is a fixed regulator offering logic compatible ON/OFF switching input and an error flag output. This flag may also be used as a power-on reset signal. A logic-compatible shutdown input is provided on the adjustable MIC29372, which enables the regulator to be switched on and off.




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