Voltage Regulators - Switching Regulators

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LT8705/A 4-Switch Buck-Boost DC/DC Controllers

Analog Devices Inc. LT8705/A 4-Switch Buck-Boost DC/DC Controllers are high-performance and operate from input voltages above, below or equal to the output voltage. The LT8705/A has integrated input current, input voltage, output current, and output voltage feedback loops. The LT8705/A is compatible with most solar, automotive, telecom, and battery-powered systems. The controllers feature a wide 2.8V to 80V input and 1.3V to 80V output range.

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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 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705IFE#PBF Analog Devices 1: $21.53 100In Stock	Mfr. Part # LT8705IFE#PBF Mouser Part # 584-LT8705IFE#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	100In Stock	$21.53 $17.43 $14.80	Min.: 1 Mult.: 1 Max.: 80	SMD/SMT	TSSOP-EP-38	Boost, Buck	1.3 V to 80 V	10 A	1 Output	2.65 mA	350 kHz	- 40 C	+ 125 C	LT8705	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705HFE#PBF Analog Devices 1: $21.88 85In Stock	Mfr. Part # LT8705HFE#PBF Mouser Part # 584-LT8705HFE#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	85In Stock	$21.88 $17.34 $16.19 $14.95 View $14.26 $14.00	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-38	Buck, Buck-Boost	1.3 V to 80 V	10 A	1 Output	2.65 mA	400 kHz	- 40 C	+ 150 C	LT8705	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705EUHF#PBF Analog Devices 1: $19.14 4,480In Stock	Mfr. Part # LT8705EUHF#PBF Mouser Part # 584-LT8705EUHF#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	4,480In Stock	$19.14 $15.22 $14.02 $13.29 View $12.75 $12.42 Quote	Min.: 1 Mult.: 1 Max.: 3,584	SMD/SMT	QFN-38	Boost, Buck	1.3 V to 80 V	10 A	1 Output	2.65 mA	350 kHz	- 40 C	+ 125 C	LT8705	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705AMPFE#PBF Analog Devices 1: $57.24 66In Stock	Mfr. Part # LT8705AMPFE#PBF Mouser Part # 584-LT8705AMPFE#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	66In Stock	$57.24 $47.04 $42.95 $39.74 View $37.65 Quote	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-38	Buck, Buck-Boost	1.3 V to 80 V	10 A	1 Output	2.65 mA	400 kHz	- 55 C	+ 150 C	LT8705A	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705EUHF#TRPBF Analog Devices 1: $19.64 1,363In Stock	Mfr. Part # LT8705EUHF#TRPBF Mouser Part # 584-LT8705EUHF#TRPBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	1,363In Stock	Cut Tape $19.64 $15.56 $14.54 $13.43 View $13.03 $12.90 $12.90 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,090	SMD/SMT	QFN-38	Boost, Buck	1.3 V to 80 V	10 A	1 Output	2.65 mA	100 kHz to 400 kHz	- 40 C	+ 125 C	LT8705	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705AEFE#PBF Analog Devices 1: $19.93 661In Stock	Mfr. Part # LT8705AEFE#PBF Mouser Part # 584-LT8705AEFE#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	661In Stock	$19.93 $16.17 $13.73 $13.62 View $13.21 $12.90	Min.: 1 Mult.: 1 Max.: 528	SMD/SMT	TSSOP-EP-38	Boost, Buck	1.3 V to 80 V	10 A	1 Output	2.65 mA	350 kHz	- 40 C	+ 125 C	LT8705A	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705AEUHF#PBF Analog Devices Restricted Availability	Mfr. Part # LT8705AEUHF#PBF Mouser Part # 584-LT8705AEUHF#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	More Info Available		Restricted Availability	SMD/SMT	QFN-38	Buck, Buck-Boost	1.3 V to 80 V	10 A	1 Output	2.65 mA	400 kHz	- 40 C	+ 125 C	LT8705A	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705AHFE#PBF Analog Devices 1: $22.30 149In Stock 1,850On Order	Mfr. Part # LT8705AHFE#PBF Mouser Part # 584-LT8705AHFE#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	149In Stock 1,850On Order On Order Ship Dates Mfr. #: LT8705AHFE#PBF Stock: 149 Can Ship Immediately On Order: 900 Pending 400 Expected 10/19/2026 150 Expected 10/22/2026 400 Expected 11/18/2026 Factory Lead-Time: Unverified	$22.30 $18.31 $15.55 $15.47	Min.: 1 Mult.: 1 Max.: 119	SMD/SMT	TSSOP-EP-38	Buck, Buck-Boost	1.3 V to 80 V	10 A	1 Output	2.65 mA	400 kHz	- 40 C	+ 150 C	LT8705A	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705AIUHF#PBF Analog Devices 1: $24.25 758In Stock	Mfr. Part # LT8705AIUHF#PBF Mouser Part # 584-LT8705AIUHF#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	758In Stock	$24.25 $19.39 $18.17 $16.83 View $16.19 $15.81	Min.: 1 Mult.: 1 Max.: 606	SMD/SMT	QFN-38	Buck, Buck-Boost	1.3 V to 80 V	10 A	1 Output	2.65 mA	400 kHz	- 40 C	+ 125 C	LT8705A	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705EFE#PBF Analog Devices 1: $19.93 248In Stock	Mfr. Part # LT8705EFE#PBF Mouser Part # 584-LT8705EFE#PBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	248In Stock	$19.93 $16.17 $13.73 $13.62	Min.: 1 Mult.: 1 Max.: 198	SMD/SMT	TSSOP-EP-38	Boost, Buck	1.3 V to 80 V	10 A	1 Output	2.65 mA	350 kHz	- 40 C	+ 125 C	LT8705	Tube
Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost LT8705EFE#TRPBF Analog Devices 1: $19.77 83In Stock	Mfr. Part # LT8705EFE#TRPBF Mouser Part # 584-LT8705EFE#TRPBF	Analog Devices	Switching Voltage Regulators 80V VIN & VOUT Sync 4-Switch Buck- Boost Learn More about Analog Devices adi lt8705 lt8705a controllers	Datasheet	83In Stock	Cut Tape $19.77 $15.71 $14.70 $13.66 View $13.32 $13.20 $13.19 $12.51 Quote MouseReel Available	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-38	Boost, Buck	1.3 V to 80 V	10 A	1 Output	2.65 mA	100 kHz to 400 kHz	- 40 C	+ 125 C	LT8705	Reel, Cut Tape, MouseReel

LT8705/A 4-Switch Buck-Boost DC/DC Controllers

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