Voltage Regulators - Switching Regulators

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LT8301 / LT8302 Isolated Flyback Converters

Analog Devices Inc. LT8301 / LT8302 Isolated Flyback Converters sample the isolated output voltage directly from the primary-side flyback waveform. The LT8301 / LT8302 from Analog Devices requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further reduce external component count. Boundary mode operation provides a small magnetic solution with excellent load regulation. Low ripple burst mode operation maintains high efficiency at light load while minimizing the output voltage ripple.

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Part #

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301JS5#WTRMPBF
Analog Devices
1: $20.97
4,640In Stock

Mfr. Part #
LT8301JS5#WTRMPBF

Mouser Part #
584-LT8301JS5#WTRMPB

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

4,640In Stock

Cut Tape

$20.97

$16.56

$15.78

$13.71

View

Reel

$13.09

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 125 C

AEC-Q100

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301ES5#TRMPBF
Analog Devices
1: $16.42
16,185In Stock

Mfr. Part #
LT8301ES5#TRMPBF

Mouser Part #
584-LT8301ES5#TRMPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

16,185In Stock

Cut Tape

$16.42

$12.69

$12.10

$11.82

Reel

$10.04

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 125 C

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301HS5#TRMPBF
Analog Devices
1: $19.40
4,290In Stock

Mfr. Part #
LT8301HS5#TRMPBF

Mouser Part #
584-LT8301HS5#TRMPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

4,290In Stock

Cut Tape

$19.40

$15.32

$14.61

$12.68

Reel

$12.11

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 150 C

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301IS5#WTRMPBF
Analog Devices
1: $20.75
20,343In Stock

Mfr. Part #
LT8301IS5#WTRMPBF

Mouser Part #
584-LT8301IS5#WTRMPB

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

20,343In Stock

Cut Tape

$20.75

$16.39

$15.63

$13.57

View

Reel

$12.96

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 125 C

AEC-Q100

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302MPS8E#PBF
Analog Devices
1: $47.29
850In Stock

Mfr. Part #
LT8302MPS8E#PBF

Mouser Part #
584-LT8302MPS8E#PBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

850In Stock

$47.29

$39.97

$38.18

$34.14

Quote

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 55 C

+ 150 C

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301ES5#TRPBF
Analog Devices
1: $16.44
5,288In Stock

Mfr. Part #
LT8301ES5#TRPBF

Mouser Part #
584-LT8301ES5#TRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

5,288In Stock

Cut Tape

$16.44

$12.69

$12.10

$10.98

Reel

$10.04

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 125 C

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301IS5#TRPBF
Analog Devices
1: $18.37
2,915In Stock

Mfr. Part #
LT8301IS5#TRPBF

Mouser Part #
584-LT8301IS5#TRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

2,915In Stock

Cut Tape

$18.37

$14.29

$13.63

$11.83

View

Reel

$11.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 125 C

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302IS8E#TRPBF
Analog Devices
1: $20.23
7,999In Stock

Mfr. Part #
LT8302IS8E#TRPBF

Mouser Part #
584-LT8302IS8E#TRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

7,999In Stock

Cut Tape

$20.23

$15.37

$14.74

$12.99

View

Reel

$12.34

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

LT8302

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301JS5#TRMPBF
Analog Devices
1: $18.51
220In Stock

Mfr. Part #
LT8301JS5#TRMPBF

Mouser Part #
584-LT8301JS5#TRMPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

220In Stock

Cut Tape

$18.51

$14.38

$13.72

$11.91

Reel

$11.37

View

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 125 C

LT8301

Reel, Cut Tape

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301IS5#TRMPBF
Analog Devices
1: $18.37
8,424In Stock

Mfr. Part #
LT8301IS5#TRMPBF

Mouser Part #
584-LT8301IS5#TRMPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

8,424In Stock

Cut Tape

$18.37

$14.29

$13.63

$11.83

$11.30

Reel

$11.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 125 C

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302ES8E#PBF
Analog Devices
1: $20.12
4,115In Stock

Mfr. Part #
LT8302ES8E#PBF

Mouser Part #
584-LT8302ES8E#PBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

4,115In Stock

$20.12

$15.89

$15.15

$13.15

$12.56

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302HS8E#PBF
Analog Devices
1: $21.49
1,864In Stock

Mfr. Part #
LT8302HS8E#PBF

Mouser Part #
584-LT8302HS8E#PBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

1,864In Stock

$21.49

$16.33

$15.66

$13.78

$13.11

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 150 C

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301MPS5#TRMPBF
Analog Devices
1: $40.37
390In Stock

Mfr. Part #
LT8301MPS5#TRMPBF

Mouser Part #
584-LT8301MPS5TRMPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

390In Stock

Cut Tape

$40.37

$31.59

$30.16

$26.97

Reel

$26.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 55 C

+ 150 C

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302ES8E#TRPBF
Analog Devices
1: $20.12
697In Stock

Mfr. Part #
LT8302ES8E#TRPBF

Mouser Part #
584-LT8302ES8E#TRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

697In Stock

Cut Tape

$20.12

$15.89

$15.15

$13.15

$12.56

Reel

$12.56

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

LT8302

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302ES8E-3#PBF
Analog Devices
1: $19.82
841In Stock

Mfr. Part #
LT8302ES8E-3#PBF

Mouser Part #
584-LT8302ES8E-3#PBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

841In Stock

$19.82

$15.66

$14.94

$12.96

$12.37

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302HS8E#TRPBF
Analog Devices
1: $21.49
1,538In Stock

Mfr. Part #
LT8302HS8E#TRPBF

Mouser Part #
584-LT8302HS8E#TRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

1,538In Stock

Cut Tape

$21.49

$16.33

$15.66

$13.78

$13.11

Reel

$13.11

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 150 C

LT8302

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302HS8E#WPBF
Analog Devices
1: $22.55
186In Stock

Mfr. Part #
LT8302HS8E#WPBF

Mouser Part #
584-LT8302HS8E#WPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Datasheet

186In Stock

$22.55

$17.13

$16.42

$14.48

$13.75

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

AEC-Q100

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302IS8E#WPBF
Analog Devices
1: $21.29
296In Stock
100On Order

Mfr. Part #
LT8302IS8E#WPBF

Mouser Part #
584-LT8302IS8E#WPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Datasheet

296In Stock

100On Order

$21.29

$16.18

$15.50

$13.66

$12.99

Min.: 1
Mult.: 1

SO-8

1 Output

AEC-Q100

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302IS8E-3#PBF
Analog Devices
1: $19.92
968In Stock

Mfr. Part #
LT8302IS8E-3#PBF

Mouser Part #
584-LT8302IS8E-3#PBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

968In Stock

$19.92

$15.14

$14.51

$12.77

$12.16

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301HS5#TRPBF
Analog Devices
1: $19.40
1,952In Stock

Mfr. Part #
LT8301HS5#TRPBF

Mouser Part #
584-LT8301HS5#TRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

1,952In Stock

Cut Tape

$19.40

$15.32

$14.61

$12.68

$12.11

Reel

$12.11

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

TSOT-23-5

Flyback

65 V

1.2 A

1 Output

350 uA

10.6 kHz

- 40 C

+ 150 C

LT8301

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302HS8E-3#PBF
Analog Devices
1: $21.21
133In Stock

Mfr. Part #
LT8302HS8E-3#PBF

Mouser Part #
584-LT8302HS8E-3#PBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

133In Stock

$21.21

$16.12

$15.46

$13.62

$12.94

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302HS8E#WTRPBF
Analog Devices
1: $22.55
1,705In Stock

Mfr. Part #
LT8302HS8E#WTRPBF

Mouser Part #
584-LT8302HS8EWTRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Datasheet

1,705In Stock

Cut Tape

$22.55

$17.13

$16.42

$14.48

$13.75

Reel

$13.75

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SO-8

1 Output

AEC-Q100

LT8302

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

LT8302IS8E#PBF
Analog Devices
1: $20.23
300Expected 2026-03-26

Mfr. Part #
LT8302IS8E#PBF

Mouser Part #
584-LT8302IS8E#PBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/3.6

Learn More

Datasheet

300Expected 2026-03-26

$20.23

$15.37

$14.74

$12.99

$12.34

Min.: 1
Mult.: 1

SMD/SMT

SOIC-Narrow-EP-8

Flyback

65 V

3.6 A

1 Output

380 uA

12.7 kHz

- 40 C

+ 125 C

LT8302

Tube

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301IS5#WTRPBF
Analog Devices
2,500: $12.96
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
LT8301IS5#WTRPBF

Mouser Part #
584-LT8301IS5#WTRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$12.96

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

Reel: 2,500

SMD/SMT

TSOT-23-5

1 Output

AEC-Q100

LT8301

Reel

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

LT8301JS5#TRPBF
Analog Devices
2,500: $11.37
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LT8301JS5#TRPBF

Mouser Part #
584-LT8301JS5#TRPBF

Analog Devices

Switching Voltage Regulators 42VIN uP No-Opto Iso Fly Conv w/ 65V/1.2

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.37

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

Reel: 2,500

SMD/SMT

TSOT-23-5

1 Output

LT8301

Reel

LT8301 / LT8302 Isolated Flyback Converters

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