MCP1642

The MCP1642B/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 either one-cell, two-cell, or three-cell alkaline, NiCd, NiMH, one-cell Li-Ion or Li-Polymer batteries. With the 1.8A Typical Peak Input Current Limit, MCP1642B/D can provide over 1A output current in 5V applications with input over 3.6V

Features
  • Up to 96% Typical Efficiency
  • 1.8A Typical Peak Input Current Limit: IOUT > 175 mA @ 1.2V VIN, 3.3V VOUT IOUT > 600 mA @ 2.4V VIN, 3.3V VOUT IOUT > 800 mA @ 3.3V VIN, 5.0V VOUT IOUT > 1A @ VIN > 3.6V, 5.0V VOUT
  • IOUT > 175 mA @ 1.2V VIN, 3.3V VOUT
  • IOUT > 600 mA @ 2.4V VIN, 3.3V VOUT
  • IOUT > 800 mA @ 3.3V VIN, 5.0V VOUT
  • IOUT > 1A @ VIN > 3.6V, 5.0V VOUT
  • Low Start-up Voltage: 0.65V
  • Minimum Operating Input Voltage: 0.35V
  • Maximum Input Voltage < VOUT < 5.5V
  • Adjustable Output Voltage Range: 1.8V to 5.5V
  • PWM Operation at 1 MHz
  • Shutdown Current (All States): < 1 µA
  • Internal Synchronous Rectifier
  • Internal Compensation
  • Inrush Current Limiting and Internal Soft-Start
  • True Load Disconnect Shutdown (MCP1642B)
  • Input-to-Output Bypass Option (MCP1642D)
  • Low Noise, Anti-Ringing Control
  • Over-temperature Protection
  • MSOP-8 or 2x3 8-Lead DFN packages
Parameter
Parameter Name Value Value
Regulator Type Step Up (Boost) Step Up (Boost)
Input Voltage Range Min (V) 0.65 0.65
Input Voltage Range Max (V) 5.5 5.5
Output Voltage Range Min (V) 1.8 1.8
Output Voltage Range Max (V) 5.5 5.5
Quiescent Current (mA) typ 0.4 0.4
Switching Frequency (kHz) 1000 1000
Synchronous Rectifier Yes Yes
Operating Temp Range -40 to 85 -40 to 85
Vfb (V) 1.21 1.21
Duty Cycle Max (%) 90 90
SHUTDOWN Current (µA) (Typ) 1 1
Switch current (A) typ 1.8 1.8
Documents
MCP1642B/D Data SheetData Sheets12/18/2014783KB
AN1311 - Single Cell Input Boost Converter DesignAppNote02/26/2010256KB
AN1337 - Optimizing Battery Life in DC Boost Converters Using MCP1640AppNote10/06/2010549KB
MCP1642B/D High-Current Synchronous Boost Converter Evaluation Board User GuideUser Guides03/25/2015318KB
MCP1642B/MCP1642D User's GuideUser Guides12/18/2014600KB
Analog & Interface Product Selector GuideProduct Line Card03/21/20164116KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP1642B-18I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-18I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-30I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-30I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-33I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-33I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-50I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-50I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-ADJI/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642B-ADJI/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642BT-18I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-18I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-30I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-30I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-33I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-33I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-50I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-50I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-ADJI/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642BT-ADJI/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642D-18I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-18I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-30I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-30I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-33I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-33I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-50I/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-50I/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-ADJI/MC8DFN-40C to +85CTUBE0.980.820.740.720.71
MCP1642D-ADJI/MS8MSOP-40C to +85CTUBE0.980.820.740.720.71
MCP1642DT-18I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-18I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-30I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-30I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-33I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-33I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-50I/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-50I/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-ADJI/MC8DFN-40C to +85CT/R0.980.820.740.720.71
MCP1642DT-ADJI/MS8MSOP-40C to +85CT/R0.980.820.740.720.71
相关开发工具
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP1642DT-18I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642BT-ADJI/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642D-18I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642B-ADJI/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642DT-30I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642D-30I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642B-18I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642BT-18I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642BT-30I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642DT-33I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642D-ADJI/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642DT-50I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642BT-33I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642D-33I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642B-30I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642D-50I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642B-33I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642BT-50I/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642DT-ADJI/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1642B-50I/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1642DT-18I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642BT-ADJI/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642D-18I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642B-ADJI/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642DT-30I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642BT-18I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642D-30I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642B-18I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642B-30I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642D-33I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642DT-50I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642BT-50I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642BT-33I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642DT-33I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642BT-30I/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642DT-ADJI/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP1642D-50I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642B-33I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642B-50I/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642D-ADJI/MC0.0170000.0333338DFN2x3x0.9mmMatte Tine3
MCP1642B/D Data Sheet MCP1642
MCP1642B/D Data Sheet ADM00556
AN1311 MCP1642
AN1337 MCP1642
MCP1642B/D High-Current Synchronous Boost Converter Evaluation Board User Guide MCP1642
MCP1642B/MCP1642D User's Guide ADM00556
Analog & Interface Product Selector Guide ENC624J600
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