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MIC29203

Features: • High output voltage accuracy• Guaranteed 400mA output• Low quiescent current• Low dropout voltage• Extremely tight load and line regulation• Very low temperature coefficient• Current and thermal limiting• Input withstands 20V reverse batt...

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SeekIC No. : 004420861 Detail

MIC29203: Features: • High output voltage accuracy• Guaranteed 400mA output• Low quiescent current• Low dropout voltage• Extremely tight load and line regulation• Very low ...

MIC29203 Data Sheet

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Part Number:
MIC29203
Supply Ability:
5000

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

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Product Details

Description



Features:

• High output voltage accuracy
• Guaranteed 400mA output
• Low quiescent current
• Low dropout voltage
• Extremely tight load and line regulation
• Very low temperature coefficient
• Current and thermal limiting
• Input withstands 20V reverse battery and 60V positive transients
• Error flag warns of output dropout
• Logic-controlled electronic shutdown
• Output programmable from 1.24V to 26V (MIC29202/MIC29204)
• Available in TO-220, TO-220-5, and surface-mount TO-263-5, SOT-223, and SO-8 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-regulators
• Voltage reference
• High-efficiency linear power supplies


Pinout

Connection Diagram


Specifications

Power Dissipation ................ Internally Limited, Note 1
Lead Temperature (Soldering, 5 seconds) ............ 260
Storage Temperature Range ............... 65 to +150
Operating Junction Temperature Range
............................................................ 40 to +125
Thermal Characteristics:
SOT-223 JC .................................................... ...15/W
TO-220 JC ........................................................... 3/W
TO-263 JC ........................................................... 3/W
8-Pin SOIC JA ......................................................Note 1
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

† Across the full operating temperature, the minimum input voltage range for full output current is 4.3V to 26V. Output will remain in-regulation at lower output voltages and low current loads down to an input of 2V at 25.


Description

The MIC2920A family are "bulletproof," efficient voltage regulators with very low dropout voltage (typically 40mV at light loads and 370mV at 250mA), and very low quiescent current (140A typical). The quiescent current of the MIC2920A increases only slightly in dropout, prolonging battery life. Key MIC2920A features include protection against reversed battery, fold-back current limiting, and automotive "load dump" protection (60V positive transient).

The MIC2920 is available in several configurations. The MIC2920A-x.x devices are three pin fixed voltage regulators available in 3.3V, 4.85V, 5V, and 12V outputs. The MIC29201 is a fixed regulator offering a logic compatible ON/OFF (shutdown) 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 MIC29202 which allows the regulator to be switched on and off. The MIC29204 8-pin SOIC adjustable regulator includes both shutdown and error flag pins and may be pin-strapped for 5V output or programmed from 1.24V to 26V using two external resistors.




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