MPQ4340/4340J Synchronous Step-Down Converters

Monolithic Power Systems (MPS) MPQ4340/4340J Synchronous Step-Down Converters are 36V, 4A configurable frequency (350kHz to 2.5MHz) devices with integrated internal high-side and low-side power MOSFETs (HS-FET and LS-FET, respectively). The converters provide up to 4A of highly efficient output current (IOUT) with fixed-frequency zero-delay PWM (ZDP) control for near-optimal transient responses. The wide 3.3V to 36V input voltage range with 42V load dump support accommodates various step-down applications in automotive input environments. A 1μA shutdown current (ISD) allows the device to be used in battery-powered applications.

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Topology
Output Voltage
Output Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Series
Packaging
Monolithic Power Systems (MPS) Switching Voltage Regulators 36V, 2A to 6A, Low-EMI, Fast Transient, Scalable, Synchronous Step-Down Converter with ZDPTM, AEC-Q100 Qualified
Datasheet
500In Stock
Min.: 1
Mult.: 1
: 500
SMD/SMT QFN-17 Buck 3.3 V to 5.6 V 6 A 1 Output 3 uA 2.2 MHz - 40 C + 150 C AEC-Q100 MPQ4340A Reel, Cut Tape
Monolithic Power Systems (MPS) Switching Voltage Regulators 36V, 4A, Ultra Low Quiescent CurrentSynchronous Step-Down Converter
Datasheet
496In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT QFN-17 Buck 3.3 V 4 A 1 Output 3 uA 350 kHz to 2.5 MHz - 40 C + 150 C Reel, Cut Tape
Monolithic Power Systems (MPS) Switching Voltage Regulators 36V, 4A, Ultra Low Quiescent CurrentSynchronous Step-Down Converter
Datasheet
388In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT QFN-17 Buck 5 V 4 A 1 Output 3 uA 350 kHz to 2.5 MHz - 40 C + 150 C Reel, Cut Tape
Monolithic Power Systems (MPS) Switching Voltage Regulators 36V, 4A, Ultra Low Quiescent CurrentSynchronous Step-Down Converter
Datasheet
Non-Stocked Lead-Time 71 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

SMD/SMT QFN-17 Buck 3.3 V 4 A 1 Output 3 uA 350 kHz to 2.5 MHz - 40 C + 150 C Reel
Monolithic Power Systems (MPS) Switching Voltage Regulators 36V, 4A, Ultra Low Quiescent CurrentSynchronous Step-Down Converter
Datasheet
Non-Stocked Lead-Time 71 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

SMD/SMT QFN-17 Buck 5 V 4 A 1 Output 3 uA 350 kHz to 2.5 MHz - 40 C + 150 C Reel