MCP1640 Boost Regulator

Microchip's MCP1640 / B / C / D low-voltage technology allows regulators to start up without high inrush current

MCP1640 Boost RegulatorMicrochip's MCP1640 / B / C / D is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. It provides an easy-to-use power supply solution for applications powered by one-cell, two-cell, or three-cell alkaline, NiCd, NiMH, one-cell Li-Ion or Li-Polymer batteries. Low-voltage technology allows the regulator to start up without high inrush current or output voltage overshoot from a low 0.65 V input. High efficiency is accomplished by integrating the low- resistance N-channel boost switch and synchronous P-channel switch. All compensation and protection circuitry are integrated to minimize external components. For standby applications, the MCP1640 operates and consumes only 19 μA while operating at no load and provides a true disconnect from input to output at shut down (EN = GND). Additional device options are available that operate in PWM only mode and connect input to output bypass while shut down.

A "true" load disconnect mode provides input to output isolation while disabled by removing the normal boost regulator diode path from input to output. A bypass mode option connects the input to the output using the integrated low resistance P-Channel MOSFET, which provides a low bias keep alive voltage for circuits operating in Deep Sleep mode. Both options consume less than 1 μA of input current.

Microchip's Portable Power Conversion Design Guide

Applications
  • One, two, and three cell alkaline and NiMH / NiCd portable products
  • Single cell Li-ion to 5 V converters
  • Li coin cell powered devices
  • Personal medical products
  • Wireless sensors
  • Handheld instruments
  • GPS receivers
  • Bluetooth headsets
  • +3.3 V to +5.0 V distributed power supply

Boost Regulator

ImagenNúmero de pieza del fabricanteDescripciónCantidad disponibleVer detalles
KIT DEV MCP16251/1640BADM00458KIT DEV MCP16251/1640B7 - InmediataVer detalles
BOARD MCP1640 2CELL BOOST CONVARD00386BOARD MCP1640 2CELL BOOST CONV2 - InmediataVer detalles
IC REG BOOST ADJ 350MA 8DFNMCP1640-I/MCIC REG BOOST ADJ 350MA 8DFN895 - InmediataVer detalles
IC REG BOOST ADJ 350MA 8DFNMCP1640B-I/MCIC REG BOOST ADJ 350MA 8DFN1530 - InmediataVer detalles
IC REG BOOST ADJ 350MA SOT23-6MCP1640BT-I/CHYIC REG BOOST ADJ 350MA SOT23-618571 - InmediataVer detalles
IC REG BOOST ADJ 350MA 8DFNMCP1640C-I/MCIC REG BOOST ADJ 350MA 8DFN1147 - InmediataVer detalles
IC REG BOOST ADJ 350MA SOT23-6MCP1640CT-I/CHYIC REG BOOST ADJ 350MA SOT23-69093 - InmediataVer detalles
IC REG BOOST ADJ 350MA 8DFNMCP1640D-I/MCIC REG BOOST ADJ 350MA 8DFN81 - InmediataVer detalles
IC REG BOOST ADJ 350MA SOT23-6MCP1640DT-I/CHYIC REG BOOST ADJ 350MA SOT23-613239 - InmediataVer detalles
BOARD EVAL FOR MCP1640MCP1640EV-SBCBOARD EVAL FOR MCP16408 - InmediataVer detalles
BOARD REF DES AAAA BAT BOOSTMCP1640RD-4ABCBOARD REF DES AAAA BAT BOOST6 - InmediataVer detalles
IC REG BOOST ADJ 350MA SOT23-6MCP1640T-I/CHYIC REG BOOST ADJ 350MA SOT23-635283 - InmediataVer detalles
Publicado: 2011-03-07