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Datasheet Microchip MIC24046


MIC24046-H is a pin-programmable, high-efficiency, wide-input range, 5A, synchronous step-down regulator


  • Download » Datasheet, PDF, 2.9 Mb, Revision: 11-09-2015
    MIC24046 - Pin-Programmable, 4.5V - 19V, 5A Step-Down Converter
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    Pin-Programmable, 4.5V -19V, 5A
    Step-Down Converter General Description Features The MIC24046 is a pin-programmable, high–efficiency,
    wide input range, 5A synchronous step-down regulator.
    The MIC24046 is perfectly suited for multiple-voltage rail
    application environments typically found in computing and
    telecommunication systems. It can be programmed by pin
    strapping various parameters, such as output voltage,
    switching frequency, and current-limit values. The pinselectable switching frequency, valley-current mode
    control technique, high–performance error amplifier, and
    external compensation allow for the best trade-offs
    between high efficiency and the smallest possible solution
    size. The MIC24046 is available in a thermally–efficient, spacesaving, 20–pin 3mm × 3mm QFN package with an
    operating junction temperature range of –40°C to +125°C.
    Datasheets and support documentation are available on
    Micrel’s website at: 4.5V to 19V input voltage range
    5A (maximum) output current
    High efficiency (>90%)
    Pin-selectable output voltages:
    -0.7V, 0.8V, 0.9V, 1.0V, 1.2V, 1.5V, 1.8V,
    2.5V, and 3.3V
    ±1% output voltage accuracy
    Supports safe start-up with pre-biased output ...



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)



# of Outputs111
Automotive RatedNoNoNo
Input Voltage Range, V4.5 - 194.5 - 194.5 - 19
Light Load Efficiency ModeNoNoNo
Operating Temperature Range, °C-40 to +125-40 to +125-40 to +125
Output Current, mA) Max500050005000
Output Voltage Range, V0.7 - 3.30.7 - 3.30.7 - 3.3
Quiescent Current, mA) type5.65.65.6
Regulator TypeStep Down (Buck)Step Down (Buck)Step Down (Buck)
SHUTDOWN Current, µA424242
Synchronous RectifierYesYesYes

Eco Plan


Moldel Line

Series: MIC24046 (3)

Manufacturer's Classification

  • Power Management > Switching Regulators > Step Down up to 36V

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