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MIC4684

Features: • SO-8 package with 2A continuous output current• Over 85% efficiency• Fixed 200kHz PWM operation• Wide 4V to 30V input voltage range• Output voltage adjustable to 1.235V• All surface mount solution• Internally compensated with fast transient res...

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SeekIC No. : 004420958 Detail

MIC4684: Features: • SO-8 package with 2A continuous output current• Over 85% efficiency• Fixed 200kHz PWM operation• Wide 4V to 30V input voltage range• Output voltage adjustab...

MIC4684 Data Sheet

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Part Number:
MIC4684
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 2A continuous output current
• Over 85% efficiency
• Fixed 200kHz PWM operation
• Wide 4V to 30V input voltage range
• Output voltage adjustable to 1.235V
• All surface mount solution
• Internally compensated with fast transient response
• Over-current protection
• Frequency foldback short-circuit protection
• Thermal shutdown




Application

• Simple high-efficiency step-down regulator
• 5V to 3.3V/1.7A converter (60°C ambient)
• 12V to 1.8V/2A converter (60°C ambient)
• On-card switching regulator
• Dual-output ±5V converter
• Battery charger




Pinout






Specifications

Supply Voltage (VIN), Note 3 ......................................+34V
Enable Voltage (VEN) .................................... 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 3




Description

The MIC4684 is a high-efficiency 200kHz stepdown (buck) switching regulator. Power conversion efficiency of above
85% is easily obtainable for a wide variety of applications.The MIC4684 achieves 2A of continuous current in an 8-lead SO (small outline) package at 60°C ambient temperature.

High efficiency of MIC4684 is maintained over a wide output current range by utilizing a boost capacitor to increase the voltage available to saturate the internal power switch. As a result of this high efficiency, no external heat sink is required. The MIC4684,housed in an SO-8, can replace larger TO-220 and TO-263 packages in many applications.

The MIC4684 allows for a high degree of safety. It has a wide input voltage range of 4V to 30V (34V transient), allowing MIC4684 to be used in applications where input voltage transients may be present. Built-in safety features include over-current protection,frequency-foldback short-circuit protection, and thermal shutdown.

The MIC4684 is available in an 8-lead SO package with a junction temperature range of 40°C to +125°C.






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