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 Hi Eff, Hi V 20mA Sync Buck Conv
Datasheet
2 199In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2 199
: 2 500

SMD/SMT MSOP-8 800 mV to 50 V
Analog Devices Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg
Datasheet
73In Stock
Min.: 1
Mult.: 1
Max.: 73

SMD/SMT QFN-28 1.5 V to 12 V
Analog Devices Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg
Datasheet
82In Stock
Min.: 1
Mult.: 1
Max.: 82

SMD/SMT QFN-28 1.5 V to 12 V
Analog Devices Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg
Datasheet
11In Stock
Min.: 1
Mult.: 1
Max.: 11

SMD/SMT QFN-28 600 mV to 6 V
Analog Devices Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg
Datasheet
8In Stock
Min.: 1
Mult.: 1
Max.: 8

SMD/SMT QFN-28 1.5 V to 12 V
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync R2R 1x Res Buck Reg
Datasheet
85In Stock
259Expected 05/10/2026
Min.: 1
Mult.: 1
Max.: 344

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
1 432In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 432
: 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
111In Stock
Min.: 1
Mult.: 1
Max.: 111

SMD/SMT MSOP-12 0 V to 14.5 V
Analog Devices Switching Voltage Regulators 1.5A, 15V Mono Sync Buck Reg
Datasheet
278In Stock
Min.: 1
Mult.: 1
Max.: 278

SMD/SMT QFN-16 600 mV to 14.52 V
Analog Devices Switching Voltage Regulators 1.5A, 15V Mono Sync Buck Reg
Datasheet
111In Stock
Min.: 1
Mult.: 1
Max.: 111

SMD/SMT MSOP-16 600 mV to 14.52 V
Analog Devices Switching Voltage Regulators 1.5A, 15V Mono Sync Buck Reg
Datasheet
120In Stock
242Expected 21/09/2026
Min.: 1
Mult.: 1
Max.: 362

SMD/SMT QFN-16 600 mV to 14.52 V
Analog Devices Switching Voltage Regulators 2.5A, 10V, Mono Sync Buck Reg
Datasheet
86In Stock
Min.: 1
Mult.: 1
Max.: 86

SMD/SMT QFN-20 600 mV to 9.5 V
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
50In Stock
Min.: 1
Mult.: 1
Max.: 50

SMD/SMT MSOP-16 600 mV to 14.5 V
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
4In Stock
910Expected 30/09/2026
Min.: 1
Mult.: 1
Max.: 914

SMD/SMT QFN-20 600 mV to 14.5 V
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
106In Stock
Min.: 1
Mult.: 1
Max.: 106

SMD/SMT MSOP-16 600 mV to 14.5 V
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
47In Stock
Min.: 1
Mult.: 1
Max.: 47

SMD/SMT QFN-20 600 mV to 14.5 V
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
12In Stock
242Expected 21/09/2026
Min.: 1
Mult.: 1
Max.: 305

SMD/SMT QFN-16 600 mV to 14.52 V
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
179In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 179
: 2 500

SMD/SMT QFN-16 600 mV to 14.52 V
Analog Devices Switching Voltage Regulators 800mA Sync Buck DC/DC w/ Avg In C Lim
Datasheet
118In Stock
Min.: 1
Mult.: 1
Max.: 118

SMD/SMT DFN-8 600 mV to 5 V
Analog Devices Switching Voltage Regulators 2x 600mA 15V Mono Sync Buck DC/DC Reg
Datasheet
50In Stock
Min.: 1
Mult.: 1
Max.: 50

SMD/SMT MSOP-16 600 mV to 15 V
Analog Devices Switching Voltage Regulators 2x 600mA 15V Mono Sync Buck DC/DC Reg
Datasheet
84In Stock
1 210On Order
Min.: 1
Mult.: 1
Max.: 1 294

SMD/SMT QFN-16 600 mV to 15 V
Analog Devices Switching Voltage Regulators 2x 600mA 15V Mono Sync Buck DC/DC Reg
Datasheet
33In Stock
Min.: 1
Mult.: 1
Max.: 33

SMD/SMT MSOP-16 600 mV to 15 V
Analog Devices Switching Voltage Regulators 2x 600mA 15V Mono Sync Buck DC/DC Reg
Datasheet
47In Stock
Min.: 1
Mult.: 1
Max.: 47

SMD/SMT QFN-16 600 mV to 15 V
Analog Devices Switching Voltage Regulators 18V, 8A Mono Sync Buck DC/DC Conv
Datasheet
93In Stock
Min.: 1
Mult.: 1
Max.: 93

SMD/SMT QFN-52 600 mV to 17.82 V
Analog Devices Switching Voltage Regulators 32V, 6A Mono Sync Buck DC/DC Conv
Datasheet
6In Stock
Min.: 1
Mult.: 1
Max.: 6

SMD/SMT QFN-52 600 mV to 36 V