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Datasheet Microchip MCP16252


The MCP16251/2 is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter


  • Download » Datasheet PDF, 867 Kb, Revision: 09-29-2016
    MCP16251/MCP16252 Data Sheet
    Docket ↓
    Low Quiescent Current, PFM/PWM Synchronous Boost Regulator
    with True Output Disconnect or Input/Output Bypass Option
    Features Applications Up to 96% Typical Efficiency 650 mA Typical Peak Input Current Limit:
    -IOUT > 100 mA @ 3.3V VOUT, 1.2V VIN
    -IOUT > 250 mA @ 3.3V VOUT, 2.4V VIN
    -IOUT > 225 mA @ 5.0V VOUT, 3.3V VIN Low Device Quiescent Current:
    -Output Quiescent Current: < 4 ВµA typical, пЂ 
    device is not switching (VOUT > VIN,
    excluding feedback divider current)
    -Input Sleep Current: 1 ВµA
    -No Load Input Current: 14 ВµA typical Shutdown Current: 0.6 ВµA typical Low Start-Up Voltage: 0.82V, 1 mA load Low Operating Input Voltage: down to 0.35V Adjustable Output Voltage Range: 1.8V to 5.5V Maximum Input Voltage п‚Ј VOUT < 5.5V Automatic PFM/PWM Operation:
    -PWM Operation: 500 kHz
    -PFM Output Ripple: 150 mV typical Feedback Voltage: 1.23V Internal Synchronous Rectifier Internal Compensation Inrush Current Limiting and Internal Soft Start
    (1.5 ms typical) Selectable, Logic Controlled, Shutdown States:
    -True Load Disconnect Option (MCP16251)
    -Input-to-Output Bypass Option (MCP16252) Anti-Ringing Control Overtemperature Protection Available Packages:
    -SOT-23, 6-Lead
    -TDFN, 2 x 3 x 0.8 mm, 8-Lead One, Two and Three-Cell Alkaline and NiMH/NiCd
    Portable Products Solar Cell Applications Personal Care and Medical Products Bias for Status LEDs Smartphones, MP3 Players, Digital Cameras Remote Controllers, Portable Instruments Wireless Sensors Bluetooth Headsets +3.3V to +5.0V Distributed Power Supply General Description
    The MCP16251/2 is a compact, high-efficiency, fixed
    frequency, synchronous step-up DC-DC converter.
    This family of devices provides an easy-to-use power ...



Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)




Automotive QualNoNo
Duty Cycle Max, %9191
Input Voltage Range Max, V5.55.5
Input Voltage Range Min(V)0.820.82
Light Load Efficiency ModeYesYes
Operating Temperature Range, °C-40 to +85-40 to +85
Output Voltage Range Max, V5.55.5
Output Voltage Range Min, V1.81.8
Quiescent Current, mA) typ0.0040.004
SHUTDOWN Current, µA0.60.6
Switch current, A) typ0.650.65
Switching Frequency, kHz500500
Synchronous RectifierYesYes
Vfb, V1.231.23

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Moldel Line

Series: MCP16252 (2)

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