MCP1640/B/C/D Data Sheet

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  MCP1640/B/C/D Data Sheet


The MCP1640/40B/40C/40D 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. The The MCP1640/40B/40C/40D provides very high efficiency through integration of the low resistance N-Channel Boost switch and synchronous P-Channel switch.
  
Parameter Name  Value
Device Description  Step-up DC/DC Regulator
SW Reg Output  Variable
Typical Active Supply (µA)  19
Switching Frequency (kHz)  500
Output Current (mA)  350
Output Voltage (V)  2.0 to 5.5
Input Voltage Range (V)  0.65 to 5.5

     Features
Up to 96% Typical Efficiency
800 mA Typical Peak Input Current Limit:
- IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT
- IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT
- IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT
Low Start-up Voltage: 0.65V
Low Operating Input Voltage: 0.35V
Adjustable Output Voltage Range: 2.0V to 5.5V
Maximum Input Voltage < VOUT < 5.5V
Automatic PFM/PWM Operation: PWM Operation at 500 kHz
Low Device Quiescent Current: 19 μA, typical PFM Mode
Internal Synchronous Rectifier
Internal Compensation
Inrush Current Limiting and Internal Soft-Start
True Load Disconnect Shutdown
Shutdown Current (All States): < 1 μA
Low Noise, Anti-Ringing Control
Overtemperature Protection
SOT23-6 or 2x3 8-Lead DFN packages


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