LTC3311 & LTC3311S Step-Down Silent Switchers

Analog Devices Inc. LTC3311 and LTC3311S Synchronous Step-Down Silent Switchers provide up to 12.5A of output current from a 2.25V to 5.5V input supply. The LTC3311 has a Silent Switcher 1 architecture and the LTC3311S has a Silent Switcher 2 architecture. Both variants integrate internal hot loop bypass capacitors to achieve both low EMI and high efficiency at switching frequencies as high as 5MHz. Multi-phasing parallel converters are readily implemented for systems with higher power requirements.

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Description Datasheet Availability Pricing (JPY) 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 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
451In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 451
: 500

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel, Cut Tape, MouseReel

Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
498In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 498
: 500

SMD/SMT LQFN-18 750 mV 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel, Cut Tape, MouseReel

Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
374In Stock
Min.: 1
Mult.: 1
Max.: 374

SMD/SMT LQFN-18 850 mV 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Tray
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
488In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 488
: 500

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
524In Stock
Min.: 1
Mult.: 1
Max.: 524

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Tray

Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
622In Stock
Min.: 1
Mult.: 1
Max.: 622

SMD/SMT LQFN-18 750 mV 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Tray
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
151In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 151
: 500

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc
Datasheet
2,982In Stock
Min.: 1
Mult.: 1
Max.: 2,982

SMD/SMT LQFN-18 Buck 500 mV 12.5 A 1 Output 1.3 mA 5 MHz - 40 C + 125 C LTC3311 Tray
Analog Devices Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc
Datasheet
1,100In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,100
: 500

SMD/SMT LQFN-18 Buck 500 mV 12.5 A 1 Output 1.3 mA 5 MHz - 40 C + 125 C LTC3311 Reel, Cut Tape, MouseReel
Analog Devices LTC3311JV-0.85#TRMPBF
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
298In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 298
: 500

SMD/SMT LQFN-18 850 mV 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
14In Stock
Min.: 1
Mult.: 1
Max.: 14

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Tray
Analog Devices Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc
Datasheet
24In Stock
624Expected 9/2/2026
Min.: 1
Mult.: 1
Max.: 648

SMD/SMT LQFN-18 Buck 500 mV 12.5 A 1 Output 1.3 mA 5 MHz - 40 C + 125 C LTC3311 Tray
Analog Devices Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc
Datasheet
15In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 15
: 500

SMD/SMT LQFN-18 Buck 500 mV 12.5 A 1 Output 1.3 mA 5 MHz - 40 C + 125 C LTC3311 Reel, Cut Tape, MouseReel
Analog Devices LTC3311JV-0.875#TRMPBF
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
498In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 498
: 500

SMD/SMT LQFN-18 875 mV 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
24In Stock
Min.: 1
Mult.: 1
Max.: 24

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Tray
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT LQFN-18 Buck 500 mV to 5.5 V 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Reel
Analog Devices Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT LQFN-18 Buck 500 mV 12.5 A 1 Output 1.3 mA 5 MHz - 40 C + 125 C LTC3311 Reel
Analog Devices Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc
Datasheet
Non-Stocked Lead-Time 37 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT LQFN-18 Buck 500 mV 12.5 A 1 Output 1.3 mA 5 MHz - 40 C + 125 C LTC3311 Reel
Analog Devices LTC3311JV-0.875#PBF
Analog Devices Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator
Datasheet
Non-Stocked Lead-Time 43 Weeks
Min.: 624
Mult.: 624

SMD/SMT LQFN-18 875 mV 12.5 A 1 Output 1.3 mA 2 MHz - 40 C + 150 C LTC3311 Tray