LTC36xx/LTC7149 Series Step-Down Buck Regulators

Analog Devices Inc. LTC36xx/LTC7149 Series Synchronous Step-Down Buck Regulators are high efficiency, monolithic, and excellent for inverting output applications. The LTC3623 and LTC3600 are programmed with a single external resistor. The LTC3649 and LTC7149 feature single resistor programmable output voltage, with high efficiency over a wide VOUT range.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Mounting Style
Package/Case
Output Voltage
Analog Devices Switching Voltage Regulators 20V, 5A Sync Buck Reg
Datasheet
1.122In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 19.8 V
Analog Devices Switching Voltage Regulators 15V, 5A Sync Buck Reg
Datasheet
203In Stock
455Expected 9/12/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 14.85 V
Analog Devices Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
1.026In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT QFN-20 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 4A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
1.222In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 4A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
755In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv
Datasheet
1.225In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv
Datasheet
947In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv
Datasheet
1.088In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv
Datasheet
1.083In Stock
1.547Expected 8/24/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 6A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
490In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 6A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
1.331In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
Datasheet
958In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 500 mV to 2.5 V
Analog Devices Switching Voltage Regulators Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
Datasheet
1.258In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT QFN-24 500 mV to 2.5 V
Analog Devices Switching Voltage Regulators Ultralow Pwr 15mA Sync Buck Sw Reg
Datasheet
662In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT DFN-8 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 17V, 2A Sync Buck Reg w/ 3.5 A Q C
Datasheet
271In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-8 600 mV to 17 V
Analog Devices Switching Voltage Regulators 17V, 2A Sync Buck Reg w/ 3.5 A Q C
Datasheet
Lead-Time 14 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT DFN-8 600 mV to 17 V
Analog Devices Switching Voltage Regulators 17V, 2A Sync Buck Reg w/ 3.5 A Q C
Datasheet
659In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-8 600 mV to 17 V
Analog Devices Switching Voltage Regulators 17V, 2A Sync Buck Reg w/ 3.5 A Q C
Datasheet
284In Stock
605Expected 9/7/2026
Min.: 1
Mult.: 1

SMD/SMT DFN-8 600 mV to 17 V
Analog Devices Battery Management 1A Hi Eff 2-Cell Supercap Chr w/ Auto Ce
Datasheet
272In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-12 4.8 V, 5.3 V
Analog Devices Switching Voltage Regulators Hi Eff, 76V 500mA Sync Buck Conv
Datasheet
356In Stock
422On Order
Min.: 1
Mult.: 1

SMD/SMT MSOP-16-12 800 mV to 76 V
Analog Devices Switching Voltage Regulators Hi Eff, 76V 500mA Sync Buck Conv
Datasheet
83In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-16-12 800 mV to 76 V
Analog Devices Switching Voltage Regulators Hi Eff, 65V 500mA Sync Buck Conv
Datasheet
1.554In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT DFN-16 800 mV to 65 V
Analog Devices Switching Voltage Regulators Hi Eff, 65V 500mA Sync Buck Conv
Datasheet
1.217In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-16-12 800 mV to 65 V
Analog Devices Switching Voltage Regulators Hi Eff, 65V 500mA Sync Buck Conv
Datasheet
1.347In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT MSOP-16-12 800 mV to 65 V
Analog Devices Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg
Datasheet
1.573In Stock
438Expected 8/28/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-28 600 mV to 6 V