MAX42405/MAX42406 Synchronous Buck Converters

Analog Devices Inc. MAX42405/MAX42406 Synchronous Buck Converters are tiny, 36V, 5A/6A synchronous buck converters with integrated high- and low-side switches. Delivering up to 6A, the ICs feature wide input voltages ranging from 4.5V to 36V. Voltage quality can be monitored by observing the PGOOD signal. The ICs can operate in dropout by running at a very high duty cycle, making it ideal for industrial applications. Available in a small 3.5mm x 3.75mm, 17-pin Flip-Chip Quad Flat No lead (FC2QFN) package, The MAX42405/MAX42406 converters use very few external components.

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Description Datasheet Availability Pricing (JPY) 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
Series
Packaging
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
1,430In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-17 Buck 800 mV to 10 V 6 A 1 Output 20 uA 400 kHz - 40 C + 125 C MAX42406 Reel, Cut Tape
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
840In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-17 Buck 800 mV to 10 V 5 A 1 Output 20 uA 1.5 MHz - 40 C + 125 C MAX42405 Tray
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
2,090In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-17 Buck 800 mV to 10 V 6 A 1 Output 20 uA 1.5 MHz - 40 C + 125 C MAX42406 Reel, Cut Tape
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
407In Stock
840Expected 8/7/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-17 Buck 800 mV to 10 V 5 A 1 Output 20 uA 400 kHz - 40 C + 125 C MAX42405 Tray
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
512Expected 8/7/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-17 Buck 800 mV to 10 V 6 A 1 Output 20 uA 1.5 MHz - 40 C + 125 C MAX42406 Tray
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT QFN-17 Buck 800 mV to 10 V 5 A 1 Output 20 uA 400 kHz - 40 C + 125 C MAX42405 Reel
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
Non-Stocked Lead-Time 33 Weeks
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-17 Buck 800 mV to 10 V 5 A 1 Output 20 uA 1.5 MHz - 40 C + 125 C MAX42405 Reel, Cut Tape
Analog Devices / Maxim Integrated Switching Voltage Regulators 36V, 5A/6A Fully Integrated Synchronous
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 420
Mult.: 420

SMD/SMT QFN-17 Buck 800 mV to 10 V 6 A 1 Output 20 uA 400 kHz - 40 C + 125 C MAX42406 Tray