MIC4685WR

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> Semiconductors - ICs

> Power Management

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Details for Microchip Technology

MIC4685WR

3A Buck Regulator
Buy Directly from Microchip Technology (7008 in Stock)
$2.0600 per unit
Series Information for MIC4685WR - Microchip Technology

Features

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

Description

DC-DC CONV BUCK 200KHZ SPAK-7
The MIC4685 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 MIC4685 achieves 3A of continuous current in the 7-pin SPAK package. The thermal performance of the SPAK allows it to replace TO-220s and TO-263s (D2 PAKs) in many applications. The SPAK saves board space with a 36% smaller footprint than TO-263. 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. The MIC4685 allows for a high degree of safety. It has a wide input voltage range of 4V to 30V (34V transient), allowing it 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 MIC4685 is available in a 7-pin SPAK package with a junction temperature range of –40°C to +125°C.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
4V
Input Voltage Max:
30V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
S-PAK
No. of Pins:
7Pins
Output Current:
3A
Output Voltage Min:
-
Output Voltage Max:
1.235V
Switching Frequency:
200kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 4V 30V 7-Pin SPAK Tube

Microchip Technology Inc

3A Buck Regulator

Future Electronics

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