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: £10.26
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

£10.26

£8.10

£7.72

£6.70

£6.41

Reel

£6.41

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: £8.03
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

£8.03

£6.21

£5.92

£5.13

£4.91

Reel

£4.91

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: £8.98
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

£8.98

£6.99

£6.67

£5.79

£5.53

Reel

£5.53

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: £9.89
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

£9.89

£7.52

£7.21

£6.36

£6.03

Reel

£6.03

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: £8.03
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

£8.03

£6.21

£5.92

£5.45

Reel

£4.91

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: £9.49
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

£9.49

£7.49

£7.15

£6.20

£5.93

Reel

£5.93

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: £10.15
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

£10.15

£8.01

£7.64

£6.63

£6.34

Reel

£6.34

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: £23.13
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

£23.13

£19.55

£18.67

£16.70

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: £9.05
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

£9.05

£7.04

£6.71

£5.82

£5.56

Reel

£5.56

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: £8.98
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

£8.98

£6.99

£6.67

£5.79

£5.53

Reel

£5.53

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: £9.84
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

£9.84

£7.77

£7.41

£6.43

£6.14

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: £10.51
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

£10.51

£7.99

£7.66

£6.74

£6.41

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: £19.75
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

£19.75

£15.45

£14.75

£13.19

Reel

£13.19

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: £9.84
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

£9.84

£7.77

£7.41

£6.43

£6.14

Reel

£6.14

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: £9.69
341In Stock
500Expected 16/02/2026

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 16/02/2026

£9.69

£7.66

£7.31

£6.34

£6.05

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: £10.51
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

£10.51

£7.99

£7.66

£6.74

£6.41

Reel

£6.41

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: £11.03
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

£11.03

£8.38

£8.03

£7.08

£6.73

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: £10.41
296In Stock
100Expected 16/02/2026

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 16/02/2026

£10.41

£7.91

£7.59

£6.68

£6.36

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: £9.74
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

£9.74

£7.40

£7.10

£6.25

£5.95

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: £9.49
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

£9.49

£7.49

£7.15

£6.20

£5.93

Reel

£5.93

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: £10.38
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

£10.38

£7.88

£7.56

£6.66

£6.33

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: £11.03
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

£11.03

£8.38

£8.03

£7.08

£6.73

Reel

£6.73

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: £9.89
300Expected 26/03/2026

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 26/03/2026

£9.89

£7.52

£7.21

£6.36

£6.03

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: £6.34
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

£6.34

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: £5.56
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

£5.56

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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