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 (USD) 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
Input Voltage - Min
Input Voltage - Max
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 4.5 V 15 V 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 2.7 V 17 V 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 4.5 V 45 V 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 3.6 V 15 V 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 3.6 V 20 V 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 4 V 15 V 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 4.5 V 50 V 12 uA Adjustable - 40 C + 125 C LTC3632 Tube
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 4.5 V 50 V 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 4 V 15 V 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 4 V 76 V 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 3.6 V 15 V 500 uA 4 MHz - 40 C + 125 C LTC3633 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 2.25 V 5.5 V 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 2.25 V 5.5 V 75 uA 4 MHz - 40 C + 125 C LTC3616 Reel, Cut Tape, MouseReel
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 3.6 V 20 V 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 4 V 76 V 12 uA Adjustable - 40 C + 125 C LTC3637 Tube
Analog Devices Switching Voltage Regulators 1.5A, 15V Mono Sync Buck Reg
Datasheet
6,980In 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 4 V 15 V 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 4 V 15 V 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 2.25 V 5.5 V 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 2.25 V 5.5 V 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 2.5 V 5.5 V 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 4 V 15 V 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 4.5 V 15 V 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 2.25 V 5.5 V 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 2.25 V 5.5 V 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 4 V 76 V 12 uA 250 kHz - 40 C + 125 C LTC3630A Tube