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Details for MIC4685WR by Microchip Technology
MIC4685
MIC4685WR
Buy Directly from Microchip Technology Inc (0 in stock) $2.8100

MIC4685WR by Microchip Technology

3A Buck Regulator
Features
Low 2mm profile SPAK package
3A continuous output current
Wide input voltage range: 4V to 30V (34V transient)
Fixed 200kHz PWM operation
Over 85% efficiency
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
Description

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-lead 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 an 7-lead SPAK package with a junction temperature range of -40°C to +125°C.

Specifications
Regulator Type:
Step Down (Buck)
Switching Frequency (kHz):
200
Input Voltage Range Min:
4
Input Voltage Range Max:
30
Output Current:
3000
Temp Range Min:
-40
Temp Range Max:
125
Vout Min (V):
1.24
Quiescent Current (mA) typ:
6
SHUTDOWN Current (µA) (Typ):
5
# of Outputs:
1
Vfb (V):
1.24
Duty Cycle Max (%):
0.94
Temperature Range:
-40C to +125C
Alternate Descriptions
3A BUCK REGULATOR 7 SPAK - TUBE Newark Electronics
Conv DC-DC Single Step Down 4V 30V 7-Pin SPAK Tube Avnet America
3A Buck Regulator Microchip Technology Inc
MIC4685 Series 30 V 200 kHz 3 A SuperSwitcherÔ Buck Regulator - SPAK-7 Future Electronics
Details for MIC4685WR by Microchip Technology
MIC4685
MIC4685WR
Buy Directly from Microchip Technology Inc (0 in stock) $2.8100
DC-DC CONV BUCK 200KHZ SPAK-7
MIC4685WR image

MIC4685WR by Microchip Technology

DC-DC CONV BUCK 200KHZ SPAK-7
Features
3A continuous output current
All surface mount solution
Fixed 200kHz PWM operation
Frequency foldback short-circuit
Internally compensated with fast transient response
Output voltage adjustable to 1.235V
Over 85% efficiency
Over-current protection
Wide 4V to 30V input voltage range (34V transient)
Part Information
MIC4685WR image
RoHS Compliant
Description
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
3A BUCK REGULATOR 7 SPAK - TUBE Newark Electronics
Conv DC-DC Single Step Down 4V 30V 7-Pin SPAK Tube Avnet America
3A Buck Regulator Microchip Technology Inc
MIC4685 Series 30 V 200 kHz 3 A SuperSwitcherÔ Buck Regulator - SPAK-7 Future Electronics