Voltage Regulators - Switching Regulators

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LTC3308A/B Synchronous Step-Down Silent Switcher™

Analog Devices Inc. LTC3308A/B Synchronous Step-Down Silent Switcher™ is a very small, high efficiency, low noise, monolithic synchronous 4A step-down DC/DC converter. It operates from a 2.25V to 5.5V input supply. Using constant frequency, peak current mode control at switching frequencies up to 3MHz, and minimum on-time as low as 22ns, this regulator achieves fast transient response with small external components. A Silent Switcher architecture minimizes EMI emissions.

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Part #

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AMPV#TRMPBF
Analog Devices
1: $12.15
905In Stock

Mfr. Part No.
LTC3308AMPV#TRMPBF

Mouser Part No
584-3308AMPVTRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

905In Stock

Cut Tape

$12.15

$9.54

$8.87

$8.15

Reel

$7.37

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AJV#TRPBF
Analog Devices
1: $6.75
3,260In Stock

Mfr. Part No.
LTC3308AJV#TRPBF

Mouser Part No
584-LTC3308AJV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

3,260In Stock

Cut Tape

$6.75

$5.18

$4.79

$4.36

Reel

$3.95

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 150 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AEV#TRPBF
Analog Devices
1: $6.01
1,827In Stock

Mfr. Part No.
LTC3308AEV#TRPBF

Mouser Part No
584-LTC3308AEV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

1,827In Stock

Cut Tape

$6.01

$4.61

$4.26

$3.88

View

Reel

$3.47

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AHV#TRMPBF
Analog Devices
1: $7.86
474In Stock

Mfr. Part No.
LTC3308AHV#TRMPBF

Mouser Part No
584-3308AHV#TRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

474In Stock

Cut Tape

$7.86

$6.07

$5.62

$5.14

Reel

$4.69

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 150 C

LTC3308

Reel, Cut Tape

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BMPV#TRMPBF
Analog Devices
1: $11.14
766In Stock

Mfr. Part No.
LTC3308BMPV#TRMPBF

Mouser Part No
584-3308BMPVTRMPB

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

766In Stock

Cut Tape

$11.14

$8.70

$8.11

$7.44

Reel

$6.91

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BIV#TRMPBF
Analog Devices
1: $6.37
429In Stock

Mfr. Part No.
LTC3308BIV#TRMPBF

Mouser Part No
584-3308BIVTRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

429In Stock

Cut Tape

$6.37

$4.90

$4.42

$4.11

Reel

$3.79

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AEV#TRMPBF
Analog Devices
1: $6.01
3,260In Stock

Mfr. Part No.
LTC3308AEV#TRMPBF

Mouser Part No
584-3308AEV#TRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

3,260In Stock

Cut Tape

$6.01

$4.61

$4.26

$3.88

Reel

$3.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AIV#TRMPBF
Analog Devices
1: $7.18
16In Stock
1,500Expected 2026/12/30

Mfr. Part No.
LTC3308AIV#TRMPBF

Mouser Part No
584-3308AIV#TRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

16In Stock

1,500Expected 2026/12/30

Cut Tape

$7.18

$5.52

$5.01

$4.57

$4.43

Reel

$4.23

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BEV#TRMPBF
Analog Devices
1: $6.01
80In Stock

Mfr. Part No.
LTC3308BEV#TRMPBF

Mouser Part No
584-3308BEVTRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

80In Stock

Cut Tape

$6.01

$4.61

$4.26

$3.88

Reel

$3.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BJV#TRMPBF
Analog Devices
1: $6.68
81In Stock

Mfr. Part No.
LTC3308BJV#TRMPBF

Mouser Part No
584-3308BJVTRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

81In Stock

Cut Tape

$6.68

$5.12

$4.75

$4.31

Reel

$3.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AJV#TRMPBF
Analog Devices
1: $6.68
300In Stock

Mfr. Part No.
LTC3308AJV#TRMPBF

Mouser Part No
584-LTC3308AJVTRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

300In Stock

Cut Tape

$6.68

$5.12

$4.75

$4.31

Reel

$3.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFN-12

Boost

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 150 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AHV#TRPBF
Analog Devices
1: $7.93
185In Stock
2,500Expected 2026/07/06

Mfr. Part No.
LTC3308AHV#TRPBF

Mouser Part No
584-LTC3308AHV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

185In Stock

2,500Expected 2026/07/06

Cut Tape

$7.93

$6.11

$5.66

$5.16

View

Reel

$4.54

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 150 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AIV#TRPBF
Analog Devices
1: $7.04
2,439Expected 2026/11/26

Mfr. Part No.
LTC3308AIV#TRPBF

Mouser Part No
584-LTC3308AIV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

2,439Expected 2026/11/26

Cut Tape

$7.04

$5.42

$5.01

$4.57

$4.43

Reel

$4.01

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

2 MHz

- 40 C

+ 125 C

LTC3308

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BHV#TRMPBF
Analog Devices
500: $4.30
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
LTC3308BHV#TRMPBF

Mouser Part No
584-3308BHVTRMPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$4.30

$4.18

$4.16

Min.: 500
Mult.: 500

: 500

SMD/SMT

LQFN-12

Buck

500 mV to 5.5 V

4 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3308

Reel

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

LTC3308AMPV#TRPBF
Analog Devices
2,500: $7.13
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
LTC3308AMPV#TRPBF

Mouser Part No
584-LTC3308AMPVTRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$7.13

Quote

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

: 2,500

SMD/SMT

LQFN-12

1 Output

LTC3308

Reel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BEV#TRPBF
Analog Devices
2,500: $3.49
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3308BEV#TRPBF

Mouser Part No
584-LTC3308BEV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$3.49

Quote

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

: 2,500

SMD/SMT

LQFN-12

LTC3308

Reel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BHV#TRPBF
Analog Devices
2,500: $4.14
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
LTC3308BHV#TRPBF

Mouser Part No
584-LTC3308BHV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

$4.14

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

: 2,500

SMD/SMT

LQFN-12

LTC3308

Reel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BIV#TRPBF
Analog Devices
2,500: $3.70
Non-Stocked Lead-Time 36 Weeks

Mfr. Part No.
LTC3308BIV#TRPBF

Mouser Part No
584-LTC3308BIV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

Non-Stocked Lead-Time 36 Weeks

Reel

$3.70

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

: 2,500

SMD/SMT

LQFN-12

LTC3308

Reel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BJV#TRPBF
Analog Devices
2,500: $3.88
Non-Stocked Lead-Time 29 Weeks

Mfr. Part No.
LTC3308BJV#TRPBF

Mouser Part No
584-LTC3308BJV#TRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

Non-Stocked Lead-Time 29 Weeks

Reel

$3.88

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

: 2,500

SMD/SMT

LQFN-12

LTC3308

Reel

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

LTC3308BMPV#TRPBF
Analog Devices
2,500: $6.52
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
LTC3308BMPV#TRPBF

Mouser Part No
584-LTC3308BMPVTRPBF

Analog Devices

Switching Voltage Regulators 5V, 4A, 10MHz Synchronous Step-Down Silent Switcher in 2mm 2mm LQFN

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$6.52

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

: 2,500

SMD/SMT

LQFN-12

LTC3308

Reel

LTC3308A/B Synchronous Step-Down Silent Switcher™

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