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ADM00458

Evaluation Board for High Efficiency Synchronous Boost Converter

MICROCHIP ADM00458

Image is for illustrative purposes only. Please refer to product description.

Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
ADM00458
Order Code:
2423035
Product Range
Evaluation Board, MCP16251 AND MCP1640B Synchronous Buck Converter
Technical Datasheet:
ADM00458   Datasheet
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Product Range Selector (Evaluation Board, MCP16251 AND MCP1640B Synchronous Buck Converter)

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Product Overview

The ADM00458 is an Evaluation Board for evaluate and demonstrate MCP16251 and MCP1640B synchronous boost converters products. This board demonstrates the MCP16251/MCP1640B in two boost-converter applications with multiple output voltages. It can be used to evaluate both package options (SOT-23-6 and 2x3 mm 8-(T)DFN). The board was developed to help engineers reduce the product design cycle time. Three common output voltages can be selected 2, 3.3 and 5V. The output voltage can be changed with a mini-dip switch that changes the external resistor divider. A switch connected to the EN pin is used to enable and disable the converters. When enabled, the MCP16251/MCP1640B will regulate the output voltage when disabled, the MCP16251/MCP1640B disconnects the path from input to output for "true-disconnect".
  • It can be powered by 1, 2 or 3-cell alkaline, NiCd, NiMH, 1-cell li-ion or li-polymer batteries
  • 0.35 to 5.5V Input voltage range (VIN ) with VIN <= VOUT
  • 2 or 3.3V and 3.3 or 5V Fixed output voltage selected using a mini-dip switch on board
  • Output current - typical 125mA at 3.3V output 1.5V Input or 200mA at 5V output 3V Input
  • Start-up voltage - 0.82V or 0.65V at VOUT = 3.3V and IOUT= 1mA, resistive load
  • Automatic PFM/PWM operation for the MCP16251 converter
  • 500kHz PWM switching frequency
  • Enable state, selectable using the mini-dip switch on board
  • Peak input current limit (800mA for MCP1640 or 650mA for MCP16251)
  • Over-temperature protection

Applications

Test & Measurement, Industrial

Footnotes

90 Day Warranty only. After Expiration of Warranty returns must be processed via Microchip.

Product Information

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Microchip

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MCP16251, MCP1640B

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Power Management - Voltage Regulator

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Synchronous Boost Converter

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Eval Board MCP16251, MCP1640B

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Evaluation Board, MCP16251 AND MCP1640B Synchronous Buck Converter

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Technical Docs (3)

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