Voltage Regulators - Switching Regulators

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MAX20404/MAX20405/MAX20406 Buck Converters

Analog Devices MAX20404 / MAX20405 / MAX20406 Automotive Synchronous Buck Converters offer a tiny size with integrated high-side and low-side switches. The series delivers up to 6A with wide input voltages ranging from 3V to 36V. Voltage quality can be monitored by observing the PGOOD signal. The modules operate in dropout mode by running at a 99% duty cycle. This makes the device suitable for automotive and industrial applications. Analog Devices MAX20404 / MAX20405 / MAX20406 Automotive Synchronous Buck Converters support programmable or fixed output voltages of 5V and 3.3V. The device has an internally fixed frequency at 2.1MHz (or 400KHz or 3MHz), allowing for small external components, reduced output ripple, and ensuring no AM interference. The converter automatically enters skip mode at light loads with an ultra-low quiescent current of 10μA at no load.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOD/VY+ Analog Devices / Maxim Integrated 1: $5.22 709In Stock	Mfr. Part No. MAX20406AFOD/VY+ Mouser Part No 700-MAX20406AFOD/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	709In Stock	$5.22 $3.97 $3.66 $3.32 $3.06	Min.: 1 Mult.: 1 Max.: 631	SMD/SMT	FC2QFN-17	Buck	3.3 V	6 A	1 Output	10 uA	400 kHz	- 40 C	+ 125 C	MAX20406	Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOE/VY+ Analog Devices / Maxim Integrated 1: $5.22 537In Stock	Mfr. Part No. MAX20406AFOE/VY+ Mouser Part No 700-MAX20406AFOE/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	537In Stock	$5.22 $3.97 $3.66 $3.32 View $3.13 $3.08	Min.: 1 Mult.: 1 Max.: 429	SMD/SMT	FC2QFN-17	Boost	5 V	6 A	1 Output	10 uA	3 MHz	- 40 C	+ 125 C	MAX20406	Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20405AFOD/VY+ Analog Devices / Maxim Integrated 1: $5.09 813In Stock	Mfr. Part No. MAX20405AFOD/VY+ Mouser Part No 700-MAX20405AFOD/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	813In Stock	$5.09 $3.88 $3.58 $3.24 View $3.08 $2.98	Min.: 1 Mult.: 1 Max.: 650	SMD/SMT	WFQFN-17	Buck	10 V	5 A	1 Output	10 uA	3 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20404AFOB/VY+ Analog Devices / Maxim Integrated 1: $5.07 392In Stock	Mfr. Part No. MAX20404AFOB/VY+ Mouser Part No 700-MAX20404AFOB/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	392In Stock	$5.07 $3.83 $3.51 $3.17 $3.01	Min.: 1 Mult.: 1 Max.: 313	SMD/SMT	FC2QFN-17	Buck	3.3 V	4 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C	MAX20404/MAX20405/ MAX20406	Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20405AFOF/VY+ Analog Devices / Maxim Integrated 1: $5.05 408In Stock	Mfr. Part No. MAX20405AFOF/VY+ Mouser Part No 700-MAX20405AFOF/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	408In Stock	$5.05 $3.85 $3.54 $3.20 $2.90	Min.: 1 Mult.: 1 Max.: 326	SMD/SMT	FC2QFN-17	Buck	3.3 V	5 A	1 Output	10 uA	3 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOB/VY+T Analog Devices / Maxim Integrated 1: $5.98 7,270In Stock	Mfr. Part No. MAX20406AFOB/VY+T Mouser Part No 700-MAX20406AFOBVY+T	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	7,270In Stock	Cut Tape $5.98 $4.57 $4.22 $3.84 View Reel $3.35 $3.68 $3.35 Quote MouseReel Available	Min.: 1 Mult.: 1 Max.: 5,816 : 2,500	SMD/SMT	FC2QFN-17	Boost	3.3 V	6 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20404AFOA/VY+ Analog Devices / Maxim Integrated 1: $5.07 794In Stock	Mfr. Part No. MAX20404AFOA/VY+ Mouser Part No 700-MAX20404AFOA/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	794In Stock	$5.07 $3.83 $3.51 $3.17 View $3.01 $2.98	Min.: 1 Mult.: 1 Max.: 635	SMD/SMT	FC2QFN-17	Buck	5 V	4 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20404AFOB/VY+T Analog Devices / Maxim Integrated 1: $4.76 3,681In Stock	Mfr. Part No. MAX20404AFOB/VY+T Mouser Part No 700-MAX20404AFOBVY+T	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	3,681In Stock	Cut Tape $4.76 $3.62 $3.33 $3.02 View Reel $2.60 $2.87 $2.86 $2.76 $2.60 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,944 : 2,500	SMD/SMT	FC2QFN-17	Buck	3.3 V	4 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20405AFOB/VY+ Analog Devices / Maxim Integrated 1: $5.09 695In Stock	Mfr. Part No. MAX20405AFOB/VY+ Mouser Part No 700-MAX20405AFOB/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	695In Stock	$5.09 $3.88 $3.58 $3.24 View $3.08 $3.07	Min.: 1 Mult.: 1 Max.: 556	SMD/SMT	FC2QFN-17	Buck	3.3 V	5 A	1 Output	10 uA	3 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20405AFOC/VY+ Analog Devices / Maxim Integrated 1: $5.26 615In Stock	Mfr. Part No. MAX20405AFOC/VY+ Mouser Part No 700-MAX20405AFOC/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	615In Stock	$5.26 $4.00 $3.69 $3.34 $3.33	Min.: 1 Mult.: 1 Max.: 492	SMD/SMT	FC2QFN-17	Buck	5 V	5 A	1 Output	10 uA	400 kHz	- 40 C	+ 125 C	MAX20405	Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20404AFOA/VY+T Analog Devices / Maxim Integrated 1: $4.76 2,777In Stock	Mfr. Part No. MAX20404AFOA/VY+T Mouser Part No 700-MAX20404AFOAVY+T	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	2,777In Stock	Cut Tape $4.76 $3.62 $3.33 $3.02 View Reel $2.76 $2.87 $2.86 $2.76 $2.76	Min.: 1 Mult.: 1 Max.: 2,221 : 2,500	SMD/SMT	FC2QFN-17	Buck	5 V	4 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C		Reel, Cut Tape
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20404AFOE/VY+ Analog Devices / Maxim Integrated 1: $5.07 175In Stock	Mfr. Part No. MAX20404AFOE/VY+ Mouser Part No 700-MAX20404AFOE/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	175In Stock	$5.07 $3.83 $3.51 $3.17	Min.: 1 Mult.: 1 Max.: 140	SMD/SMT	FC2QFN-17	Buck	800 mV to 10 V	4 A	1 Output	10 uA	3 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20405AFOA/VY+ Analog Devices / Maxim Integrated 1: $5.09 554In Stock	Mfr. Part No. MAX20405AFOA/VY+ Mouser Part No 700-MAX20405AFOA/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	554In Stock	$5.09 $3.88 $3.58 $3.24 View $3.08 $2.98	Min.: 1 Mult.: 1 Max.: 443	SMD/SMT	FC2QFN-17	Boost	5 V	5 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOA/VY+ Analog Devices / Maxim Integrated 1: $5.28 3,614In Stock	Mfr. Part No. MAX20406AFOA/VY+ Mouser Part No 700-MAX20406AFOA/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	3,614In Stock	$5.28 $4.03 $3.71 $3.36 View $3.16 $3.06 $3.03	Min.: 1 Mult.: 1 Max.: 2,891	SMD/SMT	FC2QFN-17	Buck	5 V	6 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOA/VY+T Analog Devices / Maxim Integrated 1: $5.46 737In Stock	Mfr. Part No. MAX20406AFOA/VY+T Mouser Part No 700-MAX20406AFOAVY+T	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	737In Stock	Cut Tape $5.46 $4.16 $3.84 $3.48 $3.41 $3.41 MouseReel Available	Min.: 1 Mult.: 1 Max.: 589	SMD/SMT	FC2QFN-17	Boost	5 V	6 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOB/VY+ Analog Devices / Maxim Integrated 1: $5.46 1,047In Stock	Mfr. Part No. MAX20406AFOB/VY+ Mouser Part No 700-MAX20406AFOB/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	1,047In Stock	$5.46 $4.16 $3.84 $3.48 View $3.31 $3.19	Min.: 1 Mult.: 1 Max.: 837	SMD/SMT	FC2QFN-17	Buck	3.3 V	6 A	1 Output	10 uA	2.1 MHz	- 40 C	+ 125 C	MAX20404/MAX20405/ MAX20406	Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOC/VY+ Analog Devices / Maxim Integrated 1: $4.80 382In Stock	Mfr. Part No. MAX20406AFOC/VY+ Mouser Part No 700-MAX20406AFOC/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	382In Stock	$4.80 $4.16 $3.84 $3.48 $3.31	Min.: 1 Mult.: 1 Max.: 305	SMD/SMT	FC2QFN-17	Buck	5 V	6 A	1 Output	10 uA	3 MHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20404AFOC/VY+ Analog Devices / Maxim Integrated 1: $5.07 64In Stock	Mfr. Part No. MAX20404AFOC/VY+ Mouser Part No 700-MAX20404AFOC/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	64In Stock	$5.07 $3.83 $3.51 $3.17 View $3.01 $2.98 $2.80 $2.74 Quote	Min.: 1 Mult.: 1	SMD/SMT	FC2QFN-17	Buck	5 V	4 A	1 Output	10 uA	400 kHz	- 40 C	+ 125 C	MAX20404	Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20404AFOD/VY+ Analog Devices / Maxim Integrated 1: $5.14 191In Stock	Mfr. Part No. MAX20404AFOD/VY+ Mouser Part No 700-MAX20404AFOD/VY+	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	191In Stock	$5.14 $3.89 $3.58 $3.24	Min.: 1 Mult.: 1 Max.: 152	SMD/SMT	FC2QFN-17	Buck	3.3 V	4 A	1 Output	10 uA	400 kHz	- 40 C	+ 125 C		Tray
Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter MAX20406AFOC/VY+T Analog Devices / Maxim Integrated 1: $5.70 85In Stock	Mfr. Part No. MAX20406AFOC/VY+T Mouser Part No 700-MAX20406AFOCVY+T	Analog Devices / Maxim Integrated	Switching Voltage Regulators 36V 4A/5A/6A Sync Low Iq Buck Converter Learn More about Analog Devices / Maxim Integrated maxim max20404 max20405 max20406 converters	Datasheet	85In Stock	Cut Tape $5.70 $4.35 $4.02 $3.64 View $3.48 $3.45 $3.34 $3.04	Min.: 1 Mult.: 1	SMD/SMT	FC2QFN-17	Buck	5 V	6 A	1 Output	10 uA	3 MHz	- 40 C	+ 125 C		Reel, Cut Tape

MAX20404/MAX20405/MAX20406 Buck Converters

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