MIC4685WR in Tube by Microchip | Switching Regulators | Future Electronics
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Manufacturer Part #

MIC4685WR

MIC4685 Series 30 V 200 kHz 3 A SuperSwitcher™ Buck Regulator - SPAK-7

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Mfr. Name: Microchip
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Product Specification Section
Microchip MIC4685WR - Technical Attributes
Attributes Table
Topology: Buck
Input Voltage: 4V to 30V
Output Current-Max: 3A
Output Type: Adjustable
Switching Frequency-Max: 200kHz
Operating Temp Range: -40°C to +125°C
Duty Cycle-Max: 94%
Efficiency: 85%
No. of Outputs: 1
Quiescent Current: 12mA
Storage Temperature Range: -65°C to +150°C
Package Style:  SPAK-7
Mounting Method: Surface Mount
Features & Applications

The MIC4685WR is a high-efficiency 200 kHz stepdown (buck) switching regulator. Power conversion efficiency of above 85% is easily obtainable for a wide variety of applications. The MIC4685 achieves 3 A of continuous current in the 7-lead SPAK package.

High efficiency 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, only the ground plane of the PCB is needed for a heat sink.

Features:

  • Low 2 mm profile SPAK package
  • 3  A continuous output current
  • Wide 4 V to 30 V input voltage range (34 V transient)
  • Fixed 200 kHz PWM operation
  • Over 85% efficiency
  • Output voltage adjustable to 1.235 V
  • All surface mount solution
  • Internally compensated with fast transient response
  • Over-current protection
  • Frequency foldback short-circuit protection
  • Thermal shutdown

Applications:

  • Point of load power supplies
  • Simple high-efficiency step-down regulators
  • V to 3.3 V/2 A conversion
  • 12 V to 5 V/3.3 V/2.5 V/1.8 V 3 A conversion
  • Dual-output ±5 V conversion
  • Base stations
  • LCD power supplies
  • Battery chargers
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Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
0
Factory Lead Time:
10 Weeks
Minimum Order:
288
Multiple Of:
48
Total
$872.64
USD
Quantity
Unit Price
1
$3.18
20
$3.12
75
$3.07
200
$3.03
750+
$2.94
Product Variant Information section