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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Qty. RoHS Mounting Style
Package/Case
Output Voltage
Analog Devices Switching Voltage Regulators Hi Eff, Hi V 100mA Sync Buck Conv
Datasheet
269In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-8 3.3 V
Analog Devices Switching Voltage Regulators Hi Eff, Hi V 100mA Sync Buck Conv
Datasheet
249In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-8 5 V
Analog Devices Switching Voltage Regulators Hi Eff, Hi V 100mA Sync Buck Conv
Datasheet
370In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-8 800 mV to 45 V
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync R2R 1x Res Buck Reg
Datasheet
1,589In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT DFN-12 0 V to 14.5 V
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync R2R 1x Res Buck Reg
Datasheet
1,617In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT MSOP-12 0 V to 14.5 V
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync R2R 1x Res Buck Reg
Datasheet
584In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-12 0 V to 14.5 V
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
741In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT QFN-20 600 mV to 14.5 V
Analog Devices Switching Voltage Regulators 20V, 5A Sync Buck Reg
Datasheet
576In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 19.8 V
Analog Devices Switching Voltage Regulators 20V, 5A Sync Buck Reg
Datasheet
805In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 19.8 V
Analog Devices Switching Voltage Regulators 20V, 5A Sync Buck Reg
Datasheet
282In Stock
2,500Expected 07/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT QFN-24 600 mV to 19.8 V
Analog Devices Switching Voltage Regulators 32V, 6A Mono Sync Buck DC/DC Conv
Datasheet
128In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-52 600 mV to 36 V
Analog Devices Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
1,618In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
379In 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
1,325In 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
701In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
440In 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
950In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 6A Monolithic Synchronous Step-Down Regulator for DDR Termination
Datasheet
238In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 500 mV to 5.5 V
Analog Devices Switching Voltage Regulators Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
Datasheet
346In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-24 500 mV to 2.5 V
Analog Devices Switching Voltage Regulators Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
Datasheet
1,623In 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
474In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
845In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT DFN-8 600 mV to 5.5 V
Analog Devices Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C
Datasheet
558In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-8 600 mV to 17 V
Analog Devices Switching Voltage Regulators 17V, 2x 1A Sync Buck Reg w/ Ultralow Q C
Datasheet
268In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-14 600 mV to 1.7 V
Analog Devices Switching Voltage Regulators 17V, 2A Sync Buck Reg w/ 3.5 A Q C
Datasheet
871In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-8 600 mV to 17 V