MCP1612 Data Sheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifMCP1612 Data SheetMicrochip’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.
Parameter NameValue
Device DescriptionStep-down DC/DC Controller
SW Reg OutputAdjustable
Typical Active Supply (µA)5000
Switching Frequency (kHz)1400
Output Current (mA)1000
Output Voltage (V)0.8 to 5.0
Input Voltage Range (V)2.7 to 5.5
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 thermalprotection
Under voltage lock out (UVLO)
Integrated soft start
Space saving 8 pin MSOP and DFN packages
Extended operating temperature range (-40C to +85C)
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