MPQ4321 Synchronous Step-Down Converters

Monolithic Power Systems (MPS) MPQ4321 Synchronous Step-Down Converters feature a 3.3V to 36V input range with 42V load dump tolerance and 1A continuous output current. These converters are frequency-configurable (350kHz to 2.5MHz) with integrated internal high-side and low-side power MOSFETs. The MPQ4321 step-down converters offer 1μA shutdown mode quiescent current that allows the device to be used in battery-powered applications. These step-down converters achieve high power conversion efficiency by scaling down the switching frequency (fSW) under light-load conditions to reduce the switching and gate-driving losses. The MPQ4321 step-down converters provide high-duty cycles and low-dropout modes for automotive cold-crank conditions. Typical applications include automotive infotainment, Advanced Driver Assistance Systems (ADAS), industrial power systems, and automotive clusters.

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Monolithic Power Systems (MPS) Switchande spänningsregulatorer 42V Load Dump Tolerant, 1A, Ultra Compact
Datablad
440På lager
Min.: 1
Multipla: 1
: 500

SMD/SMT QFN-12 Buck 800 mV to 34.2 V 1 A 1 Output 20 uA, 25 uA 415 kHz, 1 MHz, 2.2 MHz - 40 C + 150 C MPQ4321 Reel, Cut Tape
Monolithic Power Systems (MPS) Switchande spänningsregulatorer 42V Load Dump Tolerant, 1A, Ultra Compact,Low Quiescent Current, SynchronousStep-Down Converter, AEC-Q100 Qualified
Datablad
367På lager
Min.: 1
Multipla: 1
: 500

SMD/SMT QFN-12 Buck 800 mV to 34.2 V 1 A 1 Output 20 uA, 25 uA 415 kHz, 1 MHz, 2.2 MHz - 40 C + 150 C AEC-Q100 MPQ4321 Reel, Cut Tape
Monolithic Power Systems (MPS) Switchande spänningsregulatorer 42V Load Dump Tolerant, 1A, Ultra Compact
Datablad
500Förväntad 2027-08-04
Min.: 1
Multipla: 1
: 500

SMD/SMT QFN-12 Buck 800 mV to 34.2 V 1 A 1 Output 20 uA, 25 uA 415 kHz, 1 MHz, 2.2 MHz - 40 C + 150 C AEC-Q100 MPQ4321 Reel, Cut Tape
Monolithic Power Systems (MPS) Switchande spänningsregulatorer 42V Load Dump Tolerant, 1A, Ultra Compact
Datablad
Ledtid för icke lagerfört 71 Veckor
Min.: 5 000
Multipla: 5 000
: 5 000

SMD/SMT QFN-12 Buck 800 mV to 34.2 V 1 A 1 Output 20 uA, 25 uA 415 kHz, 1 MHz, 2.2 MHz - 40 C + 150 C MPQ4321 Reel
Monolithic Power Systems (MPS) Switchande spänningsregulatorer 42V Load Dump Tolerant, 1A, Ultra Compact,Low Quiescent Current, SynchronousStep-Down Converter, AEC-Q100 Qualified
Datablad
Ledtid för icke lagerfört 71 Veckor
Min.: 5 000
Multipla: 5 000
: 5 000

SMD/SMT QFN-12 Buck 800 mV to 34.2 V 1 A 1 Output 20 uA, 25 uA 415 kHz, 1 MHz, 2.2 MHz - 40 C + 150 C AEC-Q100 MPQ4321 Reel
Monolithic Power Systems (MPS) Switchande spänningsregulatorer 42V Load Dump Tolerant, 1A, Ultra Compact
Datablad
Ledtid för icke lagerfört 71 Veckor
Min.: 5 000
Multipla: 5 000
: 5 000

SMD/SMT QFN-12 Buck 800 mV to 34.2 V 1 A 1 Output 20 uA, 25 uA 415 kHz, 1 MHz, 2.2 MHz - 40 C + 150 C AEC-Q100 MPQ4321 Reel