MCP1612

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.

Features
  • 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)
Parameter
Parameter Name Value Value
Regulator Type Step Down (Buck) Step Down (Buck)
# of Outputs 1 1
Input Voltage Range Min (V) 2.7 2.7
Input Voltage Range Max (V) 5.5 5.5
Output Voltage Range Min (V) 0.8 0.8
Output Voltage Range Max (V) 5 5
Quiescent Current (mA) typ 5 5
Switching Frequency (kHz) 1400 1400
Synchronous Rectifier Yes Yes
Operating Temp Range -40 to 85 -40 to 85
Vfb (V) 0.8 0.8
Duty Cycle Max (%) 1 1
SHUTDOWN Current (µA) (Typ) 0.01 0.01
Documents
MCP1612 Data SheetData Sheets02/05/2013314KB
AN1025 - Converting a 5.0V Supply Rail to a Regulated 3.0V, AN1025AppNote02/23/2006527KB
AN793 - Power Management in Portable Applications: Understanding the Buck Switchmode Power ConverterAppNote07/25/2006401KB
AN968 - Simple Sychronous Buck Regulator - MCP1612AppNote01/14/2005141KB
Analog & Interface Guide (Volume 2)Brochures10/11/20051067KB
Analog Solutions for Automotive Applications Design GuideBrochures12/08/2009284KB
Quick Guide to Microchip Development ToolsBrochures10/15/201411223KB
Analog & Interface Product Selector GuideProduct Line Card03/21/20164116KB
8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board User's GuideUser Guides01/24/20061367KB
MCP1612 Evaluation Board User's GuideUser Guides01/11/2005230KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP1612-ADJI/MF8DFN-40C to +85CTUBE1.621.351.221.181.17
MCP1612-ADJI/MS8MSOP-40C to +85CTUBE1.521.271.151.111.10
MCP1612T-ADJI/MF8DFN-40C to +85CT/R1.621.351.221.181.17
MCP1612T-ADJI/MS8MSOP-40C to +85CT/R1.521.271.151.111.10
相关开发工具
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP1612-ADJI/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP1612T-ADJI/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP1612-ADJI/MF0.0238000.0416678DFN3x3x0.9mmMatte Tine3
MCP1612T-ADJI/MF0.0238000.1727278DFN3x3x0.9mmMatte Tine3
MCP1612 Data Sheet MCP1612
MCP1612 Data Sheet MCP1612EV
AN1025 MCP1612
AN793 MCP1612
AN968 MCP1612
Analog & Interface Guide (Volume 2) MCP23S08
Analog Solutions for Automotive Applications Design Guide MCP2022
Quick Guide to Microchip Development Tools ENC28J60
Analog & Interface Product Selector Guide ENC624J600
8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board User's Guide SOIC8EV
MCP1612 Evaluation Board User's Guide MCP1612EV
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