Integrated Circuits (ICs)

MAX20405AFOF/VY+

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Analog Devices Inc./Maxim Integrated

IC REG BUCK PROG 0.8V 17FC2QFN

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Integrated Circuits (ICs)

MAX20405AFOF/VY+

Active

Analog Devices Inc./Maxim Integrated

IC REG BUCK PROG 0.8V 17FC2QFN

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MAX20405AFOF/VY+

Current - Output	5 A
Frequency - Switching	3 MHz
Function	Step-Down
Grade	Automotive
Mounting Type	Wettable Flank, Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Programmable (Fixed)
Package / Case	17-PowerWFQFN
Qualification	AEC-Q100
Supplier Device Package	17-FC2QFN
Supplier Device Package [x]	3.5
Supplier Device Package [y]	3.75
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	36 V
Voltage - Input (Min) [Min]	3 V
Voltage - Output (Max) [Max]	10 V
Voltage - Output (Min/Fixed)	3.3 V
Voltage - Output (Min/Fixed) [Min]	0.8 V

MAX20405 Series

Part	Voltage - Output (Max) [Max]	Current - Output	Output Configuration	Mounting Type	Function	Output Type	Number of Outputs	Grade	Qualification	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed) [Min]	Topology	Frequency - Switching	Supplier Device Package [y]	Supplier Device Package [x]	Supplier Device Package	Voltage - Input (Min) [Min]	Voltage - Input (Max) [Max]	Package / Case	Voltage - Output (Min/Fixed)
Analog Devices Inc./Maxim Integrated MAX20405AFOF/VY+	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C	3.3 V	0.8 V	Buck	3 MHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN
Analog Devices Inc./Maxim Integrated MAX20405AFOA/VY+T	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C		0.8 V	Buck	2.1 MHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN	5 V
Analog Devices Inc./Maxim Integrated MAX20405AFOF/VY+T	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C	3.3 V	0.8 V	Buck	3 MHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN
Analog Devices Inc./Maxim Integrated MAX20405AFOB/VY+	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C	3.3 V	0.8 V	Buck	2.1 MHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN
Analog Devices Inc./Maxim Integrated MAX20405AFOA/VY+	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C		0.8 V	Buck	2.1 MHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN	5 V
Analog Devices Inc./Maxim Integrated MAX20405AFOD/VY+T	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C	3.3 V	0.8 V	Buck	400 kHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN
Analog Devices Inc./Maxim Integrated MAX20405AFOD/VY+	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C	3.3 V	0.8 V	Buck	2.1 MHz 400 kHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN
Analog Devices Inc./Maxim Integrated MAX20405AFOC/VY+	10 V	5 A	Positive	Surface Mount Wettable Flank	Step-Down	Programmable (Fixed)	1	Automotive	AEC-Q100	-40 °C	125 °C		0.8 V	Buck	400 kHz	3.75	3.5	17-FC2QFN	3 V	36 V	17-PowerWFQFN	5 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tray	1	$ 4.39
		10	$ 3.94
		25	$ 3.73
		80	$ 3.23
		420	$ 3.06
		840	$ 2.75
		1260	$ 2.32
		2520	$ 2.20

Description

General part information

MAX20405 Series

Buck Switching Regulator IC Positive Programmable (Fixed) 0.8V (3.3V) 1 Output 5A 17-PowerWFQFN

Documents

Technical documentation and resources