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

LT8301ES5#TRPBF
Analog Devices
1: $8.89
4,528In 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

4,528In Stock

Cut Tape

$8.89

$7.01

$6.32

$5.88

View

Reel

$5.10

MouseReel Available

Min.: 1
Mult.: 1
Max.: 4,419

: 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: $11.65
7,383In 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

7,383In Stock

Cut Tape

$11.65

$9.28

$8.41

$7.86

View

Reel

$6.85

MouseReel Available

Min.: 1
Mult.: 1
Max.: 7,447

: 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#WTRMPBF
Analog Devices
1: $11.33
3,961In 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

3,961In Stock

Cut Tape

$11.33

$8.99

$8.15

$7.61

Reel

$7.16

View

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,981

: 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

LT8301IS5#WTRMPBF
Analog Devices
1: $11.21
19,577In 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

19,577In Stock

Cut Tape

$11.21

$8.91

$8.07

$7.54

Reel

$7.09

View

MouseReel Available

Min.: 1
Mult.: 1
Max.: 19,482

: 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

LT8301IS5#TRMPBF
Analog Devices
1: $10.04
5,465In 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

5,465In Stock

Cut Tape

$10.04

$7.83

$7.28

$6.67

Reel

$6.20

View

MouseReel Available

Min.: 1
Mult.: 1
Max.: 7,892

: 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: $11.06
3,562In 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

3,562In Stock

$11.06

$8.65

$8.05

$7.38

View

Min.: 1
Mult.: 1
Max.: 3,562

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

LT8302IS8E#PBF
Analog Devices
1: $11.84
685In Stock

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

685In Stock

$11.84

$9.28

$8.64

$7.93

View

Min.: 1
Mult.: 1
Max.: 685

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: $12.50
1,674In 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

1,674In Stock

$12.50

$9.82

$9.15

$8.40

View

Min.: 1
Mult.: 1
Max.: 1,674

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/3.6

LT8302IS8E-3#PBF
Analog Devices
1: $10.91
901In 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

901In Stock

$10.91

$8.77

$8.19

$7.66

View

Min.: 1
Mult.: 1
Max.: 901

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

LT8301JS5#TRMPBF
Analog Devices
1: $9.96
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

$9.96

$7.89

$7.13

$6.64

Reel

$6.64

Min.: 1
Mult.: 1
Max.: 220

: 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

LT8301ES5#TRMPBF
Analog Devices
1: $9.02
7,506In Stock
8,500Expected 1/5/2027

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

7,506In Stock

8,500Expected 1/5/2027

Cut Tape

$9.02

$7.01

$6.51

$5.95

Reel

$5.52

View

MouseReel Available

Min.: 1
Mult.: 1
Max.: 14,704

: 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: $10.70
3,628In 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

3,628In Stock

Cut Tape

$10.70

$8.36

$7.78

$7.14

Reel

$6.76

View

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,575

: 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

LT8302ES8E#TRPBF
Analog Devices
1: $11.06
2,476In 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

2,476In Stock

Cut Tape

$11.06

$8.65

$8.05

$7.39

View

Reel

$6.99

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,476

: 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

LT8301IS5#TRPBF
Analog Devices
1: $10.04
1,072In Stock
5,000Expected 11/6/2026

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

1,072In Stock

5,000Expected 11/6/2026

Cut Tape

$10.04

$7.83

$7.28

$6.67

View

Reel

$5.83

MouseReel Available

Min.: 1
Mult.: 1
Max.: 5,769

: 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

LT8301MPS5#TRMPBF
Analog Devices
1: $24.58
283In 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

283In Stock

Cut Tape

$24.58

$19.73

$18.52

$17.26

$16.74

Reel

$16.74

MouseReel Available

Min.: 1
Mult.: 1
Max.: 283

: 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

LT8302HS8E#TRPBF
Analog Devices
1: $12.50
1,443In 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

1,443In Stock

Cut Tape

$12.50

$9.82

$9.15

$8.41

View

Reel

$7.71

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,443

: 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

LT8302IS8E#WPBF
Analog Devices
1: $12.40
396In Stock

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

396In Stock

$12.40

$9.74

$9.07

$8.33

$7.92

Min.: 1
Mult.: 1
Max.: 396

SO-8

1 Output

AEC-Q100

LT8302

Tube

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

LT8302MPS8E#PBF
Analog Devices
1: $30.47
669In 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

669In Stock

$30.47

$24.64

$23.19

$21.55

View

Min.: 1
Mult.: 1
Max.: 688

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

LT8301HS5#TRPBF
Analog Devices
1: $10.70
1,872In 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

1,872In Stock

Cut Tape

$10.70

$8.36

$7.78

$7.13

View

Reel

$6.49

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,872

: 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#WPBF
Analog Devices
1: $13.06
138In 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

138In Stock

$13.06

$10.28

$9.58

$8.80

Min.: 1
Mult.: 1
Max.: 138

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

LT8302HS8E-3#PBF
Analog Devices
1: $12.36
117In 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

117In Stock

$12.36

$9.70

$9.04

$8.48

Min.: 1
Mult.: 1
Max.: 117

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: $13.06
1,618In 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

1,618In Stock

Cut Tape

$13.06

$10.28

$9.58

$8.81

View

Reel

$8.38

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,618

: 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/1.2

LT8301IS5#WTRPBF
Analog Devices
2,500: $7.22
Non-Stocked Lead-Time 26 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 26 Weeks

Reel

$7.22

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

: 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: $6.39
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$6.39

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

: 2,500

SMD/SMT

TSOT-23-5

1 Output

LT8301

Reel

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

LT8301JS5#WTRPBF
Analog Devices
2,500: $7.29
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
LT8301JS5#WTRPBF

Mouser Part #
584-LT8301JS5#WTRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$7.29

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

: 2,500

SMD/SMT

TSOT-23-5

1 Output

AEC-Q100

LT8301

Reel

LT8301 / LT8302 Isolated Flyback Converters

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