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1.4MHz 1A Synchronous Buck Regulator
Overview
- Max Duty Cycle (%):100.0
- Input Voltage Range Max:5.5
- Input Voltage Range Min:2.7
- # of Outputs:1
- Output Current:1000
- Driver Type:Buck
- Quiescent Current:5
- Synchronous Rectifier:Yes
- Temp Range Max °C (degrees Celsius):85
- Temp Range Min:-40
- Vout Max:5
- Vfb V (volt):0.8
- Vout Min:0.8
- 1.4MHz fixed switching frequency
- Integrated buck and synchronous switches
- 1 Amp continuous output current capability
- Input voltage range of 2.7V to 5.5V
- Adjustable output voltage range of 0.8V to 5.0V
- Precise reference feedback voltage of +/- 2.5%
- 100% duty cycle capability for low input voltages
- Fast dynamic response to line and load steps
- Shutdown control with typical IQ<0.01uA
- Overvoltage, overcurrent, and thermal protection
- Under voltage lock out (UVLO)
- Integrated soft start
- Space saving 8 pin MSOP and DFN packages
- Extended operating temperature range (-40C to +85C)
Microchip’s MCP1612 DC-to-DC converter offers the customer a compact and inexpensive method of efficiently converting battery and bus voltages to the lower voltages required by various circuits within their systems. This device is available in space efficient MSOP and DFN packages, and in the case of the DFN, thermally enhanced. Because the power FET and synchronous FET are integrated, minimal external components are required. Likewise, due to the high switching frequency, the requisite external inductor and capacitor can be minimized. Since the output voltage is adjustable with an external resistor divider, only the base device need be stocked to provide the customer with a multitude of output voltage variations.
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Tools And Software
Demo & Evaluation Boards
| Tools |
|---|
 The MCP1612 Synchronous Buck Regulator Evaluation Board features Microchip Technology’s 1A 1.4MHz synchronous buck regulator in two buck converter applications. |
| This is a blank PCB that allows the operation of Microchip Technology’s 8-pin devices to be easily evaluated.
|
["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files: