Voltage Regulators - Switching Regulators

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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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Part #

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-0.75#PBF
Analog Devices
1: $20.20
622In Stock

Mfr. Part #
LTC3311JV-0.75#PBF

Mouser Part #
584-3311JV-0.75#PBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

622In Stock

$20.20

$15.35

$14.71

$12.96

$12.32

Min.: 1
Mult.: 1

SMD/SMT

LQFN-18

750 mV

12.5 A

1 Output

1.3 mA

2 MHz

- 40 C

+ 150 C

LTC3311

Tray

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV#TRMPBF
Analog Devices
1: $20.20
496In Stock

Mfr. Part #
LTC3311JV#TRMPBF

Mouser Part #
584-LTC3311JV#TRMPBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

496In Stock

Cut Tape

$20.20

$15.35

$14.71

$12.96

$12.32

Reel

$12.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-0.85#PBF
Analog Devices
1: $20.20
374In Stock

Mfr. Part #
LTC3311JV-0.85#PBF

Mouser Part #
584-3311JV-0.85#PBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

374In Stock

$20.20

$15.35

$14.71

$12.96

$12.32

Min.: 1
Mult.: 1

SMD/SMT

LQFN-18

850 mV

12.5 A

1 Output

1.3 mA

2 MHz

- 40 C

+ 150 C

LTC3311

Tray

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311HV#TRMPBF
Analog Devices
1: $21.06
166In Stock

Mfr. Part #
LTC3311HV#TRMPBF

Mouser Part #
584-LTC3311HV#TRMPBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

166In Stock

Cut Tape

$21.06

$16.00

$15.35

$13.52

$12.85

Reel

$12.85

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

LTC3311SEV#PBF
Analog Devices
1: $18.51
475In Stock

Mfr. Part #
LTC3311SEV#PBF

Mouser Part #
584-LTC3311SEV#PBF

Analog Devices

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

Learn More

Datasheet

475In Stock

$18.51

$14.40

$13.73

$11.92

$11.38

Min.: 1
Mult.: 1

SMD/SMT

LQFN-18

Buck

500 mV

12.5 A

1 Output

1.3 mA

5 MHz

- 40 C

+ 125 C

LTC3311

Tray

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-0.75#TRMPBF
Analog Devices
1: $20.20
498In Stock

Mfr. Part #
LTC3311JV-0.75#TRMPBF

Mouser Part #
584-3311JV075#TRMPBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

498In Stock

Cut Tape

$20.20

$15.35

$14.71

$12.96

$12.32

Reel

$12.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV#PBF
Analog Devices
1: $20.20
14In Stock

Mfr. Part #
LTC3311JV#PBF

Mouser Part #
584-LTC3311JV#PBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

14In Stock

$20.20

$15.35

$14.71

$12.96

$12.32

Min.: 1
Mult.: 1

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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-1#PBF
Analog Devices
1: $20.20
524In Stock

Mfr. Part #
LTC3311JV-1#PBF

Mouser Part #
584-LTC3311JV-1#PBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

524In Stock

$20.20

$15.35

$14.71

$12.96

$12.32

Min.: 1
Mult.: 1

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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-1#TRMPBF
Analog Devices
1: $20.20
488In Stock

Mfr. Part #
LTC3311JV-1#TRMPBF

Mouser Part #
584-LTC3311JV-1TRMPB

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

488In Stock

Cut Tape

$20.20

$15.35

$14.71

$12.96

$12.32

Reel

$12.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

LTC3311SEV#TRMPBF
Analog Devices
1: $18.51
15In Stock

Mfr. Part #
LTC3311SEV#TRMPBF

Mouser Part #
584-LTC3311SEVTRMPBF

Analog Devices

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

Learn More

Datasheet

15In Stock

Cut Tape

$18.51

$14.40

$13.73

$11.92

$11.38

Reel

$11.38

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

LTC3311SIV#TRMPBF
Analog Devices
1: $21.00
35In Stock
500Expected 2026-09-23

Mfr. Part #
LTC3311SIV#TRMPBF

Mouser Part #
584-LTC3311SIVTRMPBF

Analog Devices

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

Learn More

Datasheet

35In Stock

500Expected 2026-09-23

Cut Tape

$21.00

$16.59

$15.81

$13.73

$13.11

Reel

$13.11

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-0.85#TRMPBF
Analog Devices
1: $20.20
498In Stock

Mfr. Part #
LTC3311JV-0.85#TRMPBF

Mouser Part #
584-3311JV085#TRMPBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

498In Stock

Cut Tape

$20.20

$15.35

$14.71

$12.96

$12.32

Reel

$12.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-0.875#TRMPBF
Analog Devices
1: $20.20
498In Stock

Mfr. Part #
LTC3311JV-0.875#TRMPBF

Mouser Part #
584-3311JV0875TRMPBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

498In Stock

Cut Tape

$20.20

$15.35

$14.71

$12.96

$12.32

Reel

$12.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311HV#PBF
Analog Devices
1: $21.06
24In Stock

Mfr. Part #
LTC3311HV#PBF

Mouser Part #
584-LTC3311HV#PBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

24In Stock

$21.06

$16.00

$15.35

$13.52

$12.85

Min.: 1
Mult.: 1

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

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

LTC3311SIV#PBF
Analog Devices
1: $21.00
4,418On Order

Mfr. Part #
LTC3311SIV#PBF

Mouser Part #
584-LTC3311SIV#PBF

Analog Devices

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

Learn More

Datasheet

4,418On Order

$21.00

$16.59

$15.81

$13.73

$13.11

Min.: 1
Mult.: 1

SMD/SMT

LQFN-18

Buck

500 mV

12.5 A

1 Output

1.3 mA

5 MHz

- 40 C

+ 125 C

LTC3311

Tray

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311HV#TRPBF
Analog Devices
2,500: $12.85
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3311HV#TRPBF

Mouser Part #
584-LTC3311HV#TRPBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$12.85

Min.: 2,500
Mult.: 2,500

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV#TRPBF
Analog Devices
2,500: $12.32
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3311JV#TRPBF

Mouser Part #
584-LTC3311JV#TRPBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$12.32

Min.: 2,500
Mult.: 2,500

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-1#TRPBF
Analog Devices
2,500: $12.32
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3311JV-1#TRPBF

Mouser Part #
584-LTC3311JV-1#TRPB

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$12.32

Min.: 2,500
Mult.: 2,500

Reel: 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

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

LTC3311SEV#TRPBF
Analog Devices
2,500: $11.38
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3311SEV#TRPBF

Mouser Part #
584-LTC3311SEV#TRPBF

Analog Devices

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.38

Min.: 2,500
Mult.: 2,500

Reel: 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

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

LTC3311SIV#TRPBF
Analog Devices
2,500: $13.11
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
LTC3311SIV#TRPBF

Mouser Part #
584-LTC3311SIV#TRPBF

Analog Devices

Switching Voltage Regulators 12.5A Low Vltg Synch Step-Dwn Silnt Swtc

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$13.11

Min.: 2,500
Mult.: 2,500

Reel: 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

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

LTC3311JV-0.875#PBF
Analog Devices
624: $12.32
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3311JV-0.875#PBF

Mouser Part #
584-3311JV-0.875#PBF

Analog Devices

Switching Voltage Regulators 12.5A, 5.5V Synchr SS1 Buck Regulator

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$12.32

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

LTC3311 & LTC3311S Step-Down Silent Switchers

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