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MIC4690

Features: SO-8 package with over 1A output current Fixed 500kHz operationWide 4V to 34Vinput voltage rangeOutput voltage adjustable to 1.23VAll surface mount solution Internally compensated with fast transient response Up to 85% efficiency Overcurrent protection Frequency foldback short-circuit p...

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MIC4690: Features: SO-8 package with over 1A output current Fixed 500kHz operationWide 4V to 34Vinput voltage rangeOutput voltage adjustable to 1.23VAll surface mount solution Internally compensated with fa...

MIC4690 Data Sheet

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Part Number:
MIC4690
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/26

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Product Details

Description



Features:

SO-8 package with over 1A output current
Fixed 500kHz operation
Wide 4V to 34Vinput voltage range
Output voltage adjustable to 1.23V
All surface mount solution
Internally compensated with fast transient response
Up to 85% efficiency
Overcurrent protection
Frequency foldback short-circuit protection
Thermal shutdown




Application

Simple 1A step-down (buck) regulator
Replacement of TO-220 and TO-263 designs
12V to 5V/3.3V/2.5V/1.8V/1.5V conversion
5V to 2.5V/1.8V/1.5V conversion
On-card switching regulators
Hard disk drives
Cable modems
Positive-to-negative converters
Simple battery chargers




Pinout

Connection Diagram




Specifications

Supply Voltage (VIN), Note 3......................................+34V
Shutdown Voltage (VSHDN).............................0.3V to VIN
Steady-State Output Switch Voltage (VSW).......1V to VIN
Feedback Voltage (VFB)..............................................+12V
Storage Temperature (TS).......................65°C to +150°C
ESD Rating................................................................Note 4
Supply Voltage (VIN)........................................+4V to +30V
Junction Temperature Range (TJ)...............40°C to +125°C
Package Thermal Resistance
(JA), Note 5........................................................63°C/W
(JC),...................................................................20°C/W




Description

The MIC4690 SuperSwitcher™ is an easy-to-use, 500kHz step-down PWM voltage regulator. It achieves over 1A of continuous output current over a wide input voltage range in an 8-lead SO (small outline) package.

The high switching frequency of the MIC4690 allows the smallest surface-mount inductors and capacitors to be used. Internal compensation ensures fast transient response and a minimum amount of external components.

The MIC4690 features a power SO-8 package with a special lead frame that allows over 1A of continuous current. It housed in an SO-8, can replace larger TO-220 and TO-263 packages in many applications.

The MIC4690 allows for a high degree of safety. It has a wide input voltage range of 4V to 34V, allowing for it to be used in applications where input voltage transients may be present. Built-in safety features include over-current protection, frequency foldback protection, and thermal shutdown.

The MIC4690 is available in an 8-lead SO package with a junction temperature range of 40°C to +125°C.






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