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Datasheet Microchip MIC2171

ManufacturerMicrochip
SeriesMIC2171

The MIC2171 is a complete 100kHz SMPS current-mode controller with an internal 65V 2

Datasheets

  • Download » Datasheet, PDF, 190 Kb, Revision: 11-05-2015
    MIC2171 - 100kHz 2.5A Switching Regulator
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    MIC2171
    100kHz 2.5A Switching Regulator General Description Features The MIC2171 is a complete 100kHz SMPS current-mode
    controller with an internal 65V 2.5A power switch.
    Although primarily intended for voltage step-up applications, the floating switch architecture of the MIC2171
    makes it practical for step-down, inverting, and Cuk configurations as well as isolated topologies.
    Operating from 3V to 40V, the MIC2171 draws only 7mA
    of quiescent current, making it attractive for battery
    operated supplies.
    The MIC2171 is available in a 5-pin TO-220 or TO-263 for
    –40°C to +85°C operation.
    Data sheets and support documentation can be found on
    Micrel’s web site at: www.micrel.com. 2.5A, 65V internal switch rating
    3V to 40V input voltage range
    Current-mode operation, 2.5A peak
    Internal cycle-by-cycle current limit
    Thermal shutdown
    Twice the frequency of the LM2577
    Low external parts count
    Operates in most switching topologies
    7mA quiescent current (operating)
    Fits LT1171/LM2577 TO-220 and TO-263 sockets Applications Laptop/palmtop computers
    Battery operated equipment
    Hand-held instruments ...

Prices

Status

MIC2171WTMIC2171WUMIC2171WU-TR
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

MIC2171WTMIC2171WUMIC2171WU-TR
PackageTO-220DDPAKDDPAK
Pins555

Parametrics

MIC2171WTMIC2171WUMIC2171WU-TR
Alternative TopologySEPIC, FlybackSEPIC, FlybackSEPIC, Flyback
Automotive QualNoNoNo
Duty Cycle Max, %959595
Input Voltage Range Max, V404040
Input Voltage Range Min(V)333
Light Load Efficiency ModeNoNoNo
Operating Temperature Range, °C-40 to +85-40 to +85-40 to +85
Output Voltage Range Max, V656565
Output Voltage Range Min, V3.63.63.6
Quiescent Current, mA) typ777
Switch current, A) typ444
Switching Frequency, kHz100100100
Synchronous RectifierNoNoNo
Vfb, V1.241.241.24

Eco Plan

MIC2171WTMIC2171WUMIC2171WU-TR
RoHSCompliantCompliantCompliant

Moldel Line

Series: MIC2171 (3)

Manufacturer's Classification

  • Power Management > Switching Regulators > Step Up (Boost) - Non-Synchronous Products

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