Voltage Regulators - Switching Regulators

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MPQ4321C Synchronous Step-Down Converters

Monolithic Power Systems (MPS) MPQ4321C Synchronous Step-Down Converters are integrated with internal high-side and low-side power MOSFETs. These converters feature a 3.3V to 36V input range with a 42V load dump tolerance and up to 1A continuous output current. The MPQ4321C step-down converters offer 350kHz to 2.5MHz configurable frequency range, and 1μA shutdown current (I_SD) that allows the converter to be used in battery-powered applications. The MPQ4321C step-down converters support frequency foldback that prevents inductor current (I_L) runaway during start-up.

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Part #

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

MPQ4321CGDE-5-AEC1-P
Monolithic Power Systems (MPS)
1: ₱169.33
475In Stock

Mfr. Part #
MPQ4321CGDE-5-AEC1-P

Mouser Part #
946-MPQ4321CGDE-5-P

Monolithic Power Systems (MPS)

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

Learn More

Datasheet

475In Stock

Cut Tape

₱169.33

₱126.38

₱115.95

₱103.68

Reel

₱93.87

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFN-12

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel, Cut Tape

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

MPQ4321CGDE-AEC1-P
Monolithic Power Systems (MPS)
1: ₱169.33
189In Stock

Mfr. Part #
MPQ4321CGDE-AEC1-P

Mouser Part #
946-MPQ4321CGDE-P

Monolithic Power Systems (MPS)

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

Learn More

Datasheet

189In Stock

Cut Tape

₱169.33

₱126.38

₱115.95

₱103.68

Reel

₱96.32

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFN-12

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel, Cut Tape

Switching Voltage Regulators Load Dump Tolerant, 1A

MPQ4321CGLE-AEC1-P
Monolithic Power Systems (MPS)
1: ₱169.33
500In Stock

Mfr. Part #
MPQ4321CGLE-AEC1-P

Mouser Part #
946-MPQ4321CGLE-P

Monolithic Power Systems (MPS)

Switching Voltage Regulators Load Dump Tolerant, 1A

Learn More

Datasheet

500In Stock

Cut Tape

₱169.33

₱126.38

₱115.95

₱103.68

Reel

₱95.71

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFN-12

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel, Cut Tape

Switching Voltage Regulators Load Dump Tolerant, 1A

MPQ4321CGRHE-AEC1-P
Monolithic Power Systems (MPS)
1: ₱169.33
500In Stock

Mfr. Part #
MPQ4321CGRHE-AEC1-P

Mouser Part #
946-MPQ4321CGRHE-P

Monolithic Power Systems (MPS)

Switching Voltage Regulators Load Dump Tolerant, 1A

Learn More

Datasheet

500In Stock

Cut Tape

₱169.33

₱126.38

₱115.95

₱103.68

Reel

₱93.87

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFN-14

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel, Cut Tape

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

MPQ4321CGDE-5-AEC1-Z
Monolithic Power Systems (MPS)
5,000: ₱89.57
Non-Stocked Lead-Time 71 Weeks

Mfr. Part #
MPQ4321CGDE-5-AEC1-Z

Mouser Part #
946-MPQ4321CGDE-5-Z

Monolithic Power Systems (MPS)

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

Learn More

Datasheet

Non-Stocked Lead-Time 71 Weeks

Reel

₱89.57

Min.: 5,000
Mult.: 5,000

: 5,000

SMD/SMT

QFN-12

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

MPQ4321CGDE-AEC1-Z
Monolithic Power Systems (MPS)
5,000: ₱77.30
Non-Stocked Lead-Time 71 Weeks

Mfr. Part #
MPQ4321CGDE-AEC1-Z

Mouser Part #
946-MPQ4321CGDE-Z

Monolithic Power Systems (MPS)

Switching Voltage Regulators 42V Load Dump Tolerant, 1A,Ultra-Compact, SynchronousStep-Down Converter

Learn More

Datasheet

Non-Stocked Lead-Time 71 Weeks

Reel

₱77.30

Min.: 5,000
Mult.: 5,000

: 5,000

SMD/SMT

QFN-12

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel

Switching Voltage Regulators Load Dump Tolerant, 1A

MPQ4321CGLE-AEC1-Z
Monolithic Power Systems (MPS)
5,000: ₱76.07
Non-Stocked Lead-Time 71 Weeks

Mfr. Part #
MPQ4321CGLE-AEC1-Z

Mouser Part #
946-MPQ4321CGLE-Z

Monolithic Power Systems (MPS)

Switching Voltage Regulators Load Dump Tolerant, 1A

Learn More

Datasheet

Non-Stocked Lead-Time 71 Weeks

Reel

₱76.07

Min.: 5,000
Mult.: 5,000

: 5,000

SMD/SMT

QFN-12

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel

Switching Voltage Regulators Load Dump Tolerant, 1A

MPQ4321CGRHE-AEC1-Z
Monolithic Power Systems (MPS)
5,000: ₱75.46
Non-Stocked Lead-Time 71 Weeks

Mfr. Part #
MPQ4321CGRHE-AEC1-Z

Mouser Part #
946-MPQ4321CGRHE-Z

Monolithic Power Systems (MPS)

Switching Voltage Regulators Load Dump Tolerant, 1A

Learn More

Datasheet

Non-Stocked Lead-Time 71 Weeks

Reel

₱75.46

Min.: 5,000
Mult.: 5,000

: 5,000

SMD/SMT

QFN-14

Buck

5 V

1 A

1 Output

1.2 mA

350 kHz to 2.5 MHz

- 40 C

+ 150 C

MPQ4321

Reel

MPQ4321C Synchronous Step-Down Converters

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