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: $13.67
4,640In Stock

Mfr. Part No.
LT8301JS5#WTRMPBF

Mouser Part No
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

$13.67

$10.79

$10.28

$8.93

$8.54

Reel

$8.54

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#TRPBF
Analog Devices
1: $10.70
5,288In Stock

Mfr. Part No.
LT8301ES5#TRPBF

Mouser Part No
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

$10.70

$8.27

$7.89

$6.84

$6.54

Reel

$6.54

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: $11.97
2,915In Stock

Mfr. Part No.
LT8301IS5#TRPBF

Mouser Part No
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

$11.97

$9.32

$8.89

$7.71

$7.36

Reel

$7.36

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: $13.18
7,999In Stock

Mfr. Part No.
LT8302IS8E#TRPBF

Mouser Part No
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

$13.18

$10.01

$9.61

$8.47

$8.04

Reel

$8.04

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

LT8301ES5#TRMPBF
Analog Devices
1: $10.70
16,190In Stock

Mfr. Part No.
LT8301ES5#TRMPBF

Mouser Part No
584-LT8301ES5#TRMPBF

Analog Devices

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

Learn More

Datasheet

16,190In Stock

Cut Tape

$10.70

$8.27

$7.89

$7.26

Reel

$6.54

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: $12.64
4,290In Stock

Mfr. Part No.
LT8301HS5#TRMPBF

Mouser Part No
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

$12.64

$9.98

$9.52

$8.26

$7.90

Reel

$7.90

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: $13.53
20,343In Stock

Mfr. Part No.
LT8301IS5#WTRMPBF

Mouser Part No
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

$13.53

$10.68

$10.18

$8.84

$8.44

Reel

$8.44

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: $30.82
850In Stock

Mfr. Part No.
LT8302MPS8E#PBF

Mouser Part No
584-LT8302MPS8E#PBF

Analog Devices

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

Learn More

Datasheet

850In Stock

$30.82

$26.04

$24.88

$22.25

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

LT8301JS5#TRMPBF
Analog Devices
1: $12.06
220In Stock

Mfr. Part No.
LT8301JS5#TRMPBF

Mouser Part No
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

$12.06

$9.37

$8.94

$7.76

$7.41

Reel

$7.41

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: $11.97
8,629In Stock

Mfr. Part No.
LT8301IS5#TRMPBF

Mouser Part No
584-LT8301IS5#TRMPBF

Analog Devices

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

Learn More

Datasheet

8,629In Stock

Cut Tape

$11.97

$9.32

$8.89

$7.71

$7.36

Reel

$7.36

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: $13.11
4,115In Stock

Mfr. Part No.
LT8302ES8E#PBF

Mouser Part No
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

$13.11

$10.35

$9.87

$8.57

$8.18

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: $14.00
1,864In Stock

Mfr. Part No.
LT8302HS8E#PBF

Mouser Part No
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

$14.00

$10.64

$10.20

$8.98

$8.54

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: $26.31
390In Stock

Mfr. Part No.
LT8301MPS5#TRMPBF

Mouser Part No
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

$26.31

$20.59

$19.65

$17.57

Reel

$17.57

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: $13.11
697In Stock

Mfr. Part No.
LT8302ES8E#TRPBF

Mouser Part No
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

$13.11

$10.35

$9.87

$8.57

$8.18

Reel

$8.18

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: $12.91
341In Stock
500Expected 2026/02/16

Mfr. Part No.
LT8302ES8E-3#PBF

Mouser Part No
584-LT8302ES8E-3#PBF

Analog Devices

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

Learn More

Datasheet

341In Stock

500Expected 2026/02/16

$12.91

$10.20

$9.73

$8.44

$8.06

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: $14.00
1,538In Stock

Mfr. Part No.
LT8302HS8E#TRPBF

Mouser Part No
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

$14.00

$10.64

$10.20

$8.98

$8.54

Reel

$8.54

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: $14.69
187In Stock

Mfr. Part No.
LT8302HS8E#WPBF

Mouser Part No
584-LT8302HS8E#WPBF

Analog Devices

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

Datasheet

187In Stock

$14.69

$11.16

$10.70

$9.43

$8.97

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: $13.87
296In Stock
100Expected 2026/02/16

Mfr. Part No.
LT8302IS8E#WPBF

Mouser Part No
584-LT8302IS8E#WPBF

Analog Devices

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

Datasheet

296In Stock

100Expected 2026/02/16

$13.87

$10.54

$10.11

$8.90

$8.47

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: $12.98
968In Stock

Mfr. Part No.
LT8302IS8E-3#PBF

Mouser Part No
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

$12.98

$9.86

$9.46

$8.33

$7.92

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: $12.64
1,952In Stock

Mfr. Part No.
LT8301HS5#TRPBF

Mouser Part No
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

$12.64

$9.98

$9.52

$8.26

$7.90

Reel

$7.90

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: $13.83
133In Stock

Mfr. Part No.
LT8302HS8E-3#PBF

Mouser Part No
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

$13.83

$10.50

$10.07

$8.87

$8.43

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: $14.69
1,705In Stock

Mfr. Part No.
LT8302HS8E#WTRPBF

Mouser Part No
584-LT8302HS8EWTRPBF

Analog Devices

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

Datasheet

1,705In Stock

Cut Tape

$14.69

$11.16

$10.70

$9.43

$8.97

Reel

$8.97

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: $13.18
300Expected 2026/03/26

Mfr. Part No.
LT8302IS8E#PBF

Mouser Part No
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

$13.18

$10.01

$9.61

$8.47

$8.04

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: $8.44
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
LT8301IS5#WTRPBF

Mouser Part No
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

$8.44

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: $7.41
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8301JS5#TRPBF

Mouser Part No
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

$7.41

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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