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 (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package / Case
Topology
Output Voltage
Output Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
2,907In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 Buck 600 mV to 14.5 V 2.5 A 1 Output 75 uA 300 kHz to 3 MHz - 40 C + 125 C LTC3603 Tube
Analog Devices Switching Voltage Regulators 17V, 2x 1A Sync Buck Reg w/ Ultralow Q C
Datasheet
5,327In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-14 Buck 600 mV to 17 V 1 A 2 Output 5 uA 2.2 MHz - 40 C + 125 C LTC3622 Tube
Analog Devices Switching Voltage Regulators Hi Eff, Hi V 100mA Sync Buck Conv
Datasheet
4,054In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-8 Buck 800 mV to 45 V 100 mA 1 Output 12 uA Adjustable - 40 C + 125 C LTC3631 Tube
Analog Devices Switching Voltage Regulators 2x Ch 3A, 15V Mono Sync Buck Reg
Datasheet
7,111In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-28 Buck 600 mV to 14.7 V 3 A 2 Output 500 uA 4 MHz - 40 C + 125 C LTC3633 Tube
Analog Devices Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg
Datasheet
2,084In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT QFN-28 Buck 1.5 V to 12 V 3 A 2 Output 500 uA 4 MHz - 40 C + 125 C LTC3633A-2 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 15V, 5A Sync Buck Reg
Datasheet
1,964In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 Buck 600 mV to 14.85 V 5 A 1 Output 15 uA 800 kHz to 4 MHz - 40 C + 125 C LTC3605 Tube
Analog Devices Switching Voltage Regulators Hi Eff, Hi V 20mA Sync Buck Conv
Datasheet
4,665In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-8 Buck 800 mV to 50 V 20 mA 1 Output 12 uA Adjustable - 40 C + 125 C LTC3632 Tube
Analog Devices Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg
Datasheet
16,738In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT QFN-28 Buck 600 mV to 6 V 3 A 2 Output 500 uA 4 MHz - 40 C + 125 C LTC3633A Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 76V, 1A Buck Reg
Datasheet
2,459In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-16 Buck 800 mV to 76 V 1 A 1 Output 12 uA Adjustable - 40 C + 125 C LTC3637 Tube
Analog Devices Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv
Datasheet
2,747In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-24 Buck 600 mV to 5.5 V 3 A 2 Output 130 uA 4 MHz - 40 C + 125 C LTC3615 Tube
Analog Devices Switching Voltage Regulators 6A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
2,949In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT QFN-24 Buck 600 mV to 5.5 V 6 A 1 Output 75 uA 4 MHz - 40 C + 125 C LTC3616 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators Hi Eff, Hi V 20mA Sync Buck Conv
Datasheet
3,828In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT MSOP-8 Buck 800 mV to 50 V 20 mA 1 Output 12 uA Adjustable - 40 C + 125 C LTC3632 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync R2R 1x Res Buck Reg
Datasheet
14,373In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-12 Buck 0 V to 14.5 V 1.5 A 1 Output 700 uA 4 MHz - 40 C + 125 C LTC3600 Tube
Analog Devices Switching Voltage Regulators Hi Eff, 76V 500mA Sync Buck Conv
Datasheet
4,731In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-16-12 Buck 800 mV to 76 V 500 mA 1 Output 165 uA 250 kHz - 40 C + 125 C LTC3630A Tube
Analog Devices Switching Voltage Regulators 2x Ch 3A, 15V Mono Sync Buck Reg
Datasheet
4,058In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-28 Buck 600 mV to 14.7 V 3 A 2 Output 500 uA 4 MHz - 40 C + 125 C LTC3633 Tube
Analog Devices Switching Voltage Regulators 1.5A, 15V Mono Sync Buck Reg
Datasheet
6,155In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT MSOP-16 Buck 600 mV to 14.52 V 1.5 A 1 Output 300 uA 800 kHz to 4 MHz - 40 C + 125 C LTC3601 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 1.5A, 15V Mono Sync Buck Reg
Datasheet
9,756In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-16 Buck 600 mV to 14.52 V 1.5 A 1 Output 300 uA 4 MHz - 40 C + 125 C LTC3601 Tube
Analog Devices Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
101In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-20 Buck 600 mV to 5.5 V 3 A 1 Output 70 uA 4 MHz - 55 C + 150 C LTC3612 Tube
Analog Devices Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv
Datasheet
132In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 Buck 600 mV to 5.5 V 3 A 1 Output 70 uA 4 MHz - 55 C + 150 C LTC3612 Tube
Analog Devices Switching Voltage Regulators Monolithic 400mA Buck Regulator with Dual 150mA LDOs in 3mm 2mm DFN
Datasheet
1,725In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT Buck 800 mV to 5.5 V 400 mA 3 Output 70 uA 2.25 MHz - 40 C + 85 C LTC3670 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync R2R 1x Res Buck Reg
Datasheet
341In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-12 Buck 0 V to 14.5 V 1.5 A 1 Output 700 uA 4 MHz - 40 C + 125 C LTC3600 Tube
Analog Devices Switching Voltage Regulators 2.5A, 15V Mono Sync Buck Reg
Datasheet
5,631In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT QFN-20 Buck 600 mV to 14.5 V 2.5 A 1 Output 75 uA 300 kHz to 3 MHz - 40 C + 125 C LTC3603 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv
Datasheet
468In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-24 Buck 600 mV to 5.5 V 3 A 2 Output 130 uA 4 MHz - 40 C + 125 C LTC3615 Tube
Analog Devices Switching Voltage Regulators Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
Datasheet
383In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-24 Buck 500 mV to 2.5 V 3 A 3 Output 1 uA 4 MHz - 40 C + 125 C LTC3618 Tube
Analog Devices Switching Voltage Regulators Hi Eff, 76V 500mA Sync Buck Conv
Datasheet
365In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-16 Buck 800 mV to 76 V 500 mA 1 Output 12 uA 250 kHz - 40 C + 125 C LTC3630A Tube