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Datasheet Intersil ISL70321SEH


Radiation Hardened Quad Power Supply Sequencer


  • Download » Datasheet, PDF, 1.2 Mb, Revision: 2017-11-07
    ISL70321SEH, ISL73321SEH Datasheet
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    ISL70321SEH, ISL73321SEH FN8942
    Nov 7, 2017 Radiation Hardened Quad Power Supply Sequencers The ISL70321SEH and ISL73321SEH are radiation
    hardened and SEE mitigated power supply sequencers
    designed to drive Point-of-Load (POL) regulators with
    enable pins. Up to four power supplies can be fully
    sequenced by a single device or multiple devices can be
    easily cascaded to sequence an unlimited number of
    power supplies for dense RF applications.
    This power supply sequencer requires only two feedback
    resistors per power supply and a single resistor to set the
    rising and falling delay. The device features precision
    input comparators with an input threshold voltage of
    600mV В±1.5% for the highest possible accuracy when
    monitoring the power supply voltages.
    The ISL70321SEH and ISL73321SEH are offered in an
    18 Ld 10mmx12mm CDFP package or die form and are
    fully specified across the military ambient temperature
    range of -55В°C to +125В°C.
    With minimal external component count, precision
    voltage monitoring, and SET mitigation, the
    ISL70321SEH and ISL73321SEH are the ideal choice to ...




DLA SMD5962-172255962-172255962-17225
DescriptionRadiation Hardened Quad Power Supply SequencerRadiation Hardened Quad Power Supply SequencerRadiation Hardened Quad Power Supply Sequencer
High Dose Rate (HDR) krad(Si)100100100
Low Dose Rate (ELDRS) krad(Si)757575
Operating Temperature Range-55 to 125-55 to 125-55 to 125
Qualification LevelQML Class V (space)QML Class V (space)QML Class V (space)
SEL (MeV/mg/cm2)SEL freeSEL freeSEL free

Eco Plan


Other Options


Moldel Line

Series: ISL70321SEH (3)

Manufacturer's Classification

  • Space & Harsh Environment > Rad Hard Power > RH Power Sequencing

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