Voltage Regulators - Switching Regulators

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LMR36503/LMR36503-Q1 65V 0.3A Buck Converter

Texas Instruments LMR36503/LMR36503-Q1 65V 0.3A Buck Converter is a small 65V, 0.3A synchronous step-down DC/DC converter in a 2mm x 2mm HotRod™ package. This easy-to-use converter can handle input voltage transients up to 70V, provide excellent EMI performance, and support fixed 3.3V, 5V, and other adjustable output voltages.

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Part #

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503MSC5RPERQ1
Texas Instruments
1: $7.01
6,694In Stock

Mfr. Part No.
LMR36503MSC5RPERQ1

Mouser Part No
595-R36503MSC5RPERQ1

Texas Instruments

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

Learn More

Datasheet

6,694In Stock

Cut Tape

$7.01

$5.34

$4.92

$4.46

View

Reel

$4.00

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

5 V

300 mA

1 Output

4 uA

2.2 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono

LMR36503R5RPER
Texas Instruments
1: $6.20
10,783In Stock

Mfr. Part No.
LMR36503R5RPER

Mouser Part No
595-LMR36503R5RPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono

Learn More

Datasheet

10,783In Stock

Cut Tape

$6.20

$4.70

$4.34

$3.92

View

Reel

$3.38

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

5 V

300 mA

1 Output

4 uA

400 kHz to 1 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

LMR36506RS3QRPERQ1
Texas Instruments
1: $7.65
11,129In Stock

Mfr. Part No.
LMR36506RS3QRPERQ1

Mouser Part No
595-R36506RS3QRPERQ1

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

Learn More

Datasheet

11,129In Stock

Cut Tape

$7.65

$5.82

$5.38

$4.87

View

Reel

$4.35

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

3.3 V

600 mA

1 Output

4 uA

400 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503MSC3RPERQ1
Texas Instruments
1: $7.01
5,166In Stock

Mfr. Part No.
LMR36503MSC3RPERQ1

Mouser Part No
595-R36503MSC3RPERQ1

Texas Instruments

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

Learn More

Datasheet

5,166In Stock

Cut Tape

$7.01

$5.34

$4.92

$4.46

View

Reel

$4.00

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

3.3 V

300 mA

1 Output

4 uA

2.2 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

LMR36506RRPER
Texas Instruments
1: $6.71
2,907In Stock

Mfr. Part No.
LMR36506RRPER

Mouser Part No
595-LMR36506RRPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

Learn More

Datasheet

2,907In Stock

Cut Tape

$6.71

$5.10

$4.70

$4.27

View

Reel

$3.68

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

1 V to 60 V

600 mA

1 Output

4 uA

400 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

LMR36506R5RPER
Texas Instruments
1: $6.71
3,360In Stock

Mfr. Part No.
LMR36506R5RPER

Mouser Part No
595-LMR36506R5RPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

Learn More

Datasheet

3,360In Stock

Cut Tape

$6.71

$5.10

$4.70

$4.27

View

Reel

$3.68

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

5 V

600 mA

1 Output

4 uA

400 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

LMR36506RF3RPER
Texas Instruments
1: $6.71
12,261In Stock

Mfr. Part No.
LMR36506RF3RPER

Mouser Part No
595-LMR36506RF3RPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

Learn More

Datasheet

12,261In Stock

Cut Tape

$6.71

$5.10

$4.70

$4.27

View

Reel

$3.64

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

3.3 V

600 mA

1 Output

4 uA

400 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

LMR36506RFRPER
Texas Instruments
1: $6.71
1,219In Stock

Mfr. Part No.
LMR36506RFRPER

Mouser Part No
595-LMR36506RFRPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

Learn More

Datasheet

1,219In Stock

Cut Tape

$6.71

$5.10

$4.70

$4.27

View

Reel

$3.68

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

1 V to 60 V

600 mA

1 Output

4 uA

400 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono

LMR36503R5URPER
Texas Instruments
1: $5.95
574In Stock

Mfr. Part No.
LMR36503R5URPER

Mouser Part No
595-LMR36503R5URPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono

Learn More

Datasheet

574In Stock

Cut Tape

$5.95

$4.52

$4.16

$3.75

View

Reel

$3.22

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

5 V

300 mA

1 Output

1 uA

200 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono

LMR36503RFRPER
Texas Instruments
1: $5.10
3,274In Stock

Mfr. Part No.
LMR36503RFRPER

Mouser Part No
595-LMR36503RFRPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono

Learn More

Datasheet

3,274In Stock

Cut Tape

$5.10

$4.32

$3.98

$3.59

View

Reel

$3.03

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

Adjustable

300 mA

1 Output

4 uA

400 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

LMR36506R3RPER
Texas Instruments
1: $6.88
2,075In Stock

Mfr. Part No.
LMR36506R3RPER

Mouser Part No
595-LMR36506R3RPER

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono

Learn More

Datasheet

2,075In Stock

Cut Tape

$6.88

$5.18

$4.75

$4.30

View

Reel

$3.71

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

3.3 V

600 mA

1 Output

4 uA

400 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503RS3QRPERQ1
Texas Instruments
1: $6.60
582In Stock
6,000Expected 16/7/2026

Mfr. Part No.
LMR36503RS3QRPERQ1

Mouser Part No
595-R36503RS3QRPERQ1

Texas Instruments

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

Learn More

Datasheet

582In Stock

6,000Expected 16/7/2026

Cut Tape

$6.60

$5.02

$4.63

$4.18

View

Reel

$3.61

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

3 V

300 mA

1 Output

4 uA

200 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503RS5QRPERQ1
Texas Instruments
1: $7.01
1,859In Stock

Mfr. Part No.
LMR36503RS5QRPERQ1

Mouser Part No
595-R36503RS5QRPERQ1

Texas Instruments

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

Learn More

Datasheet

1,859In Stock

Cut Tape

$7.01

$5.34

$4.92

$4.46

$4.38

Reel

$3.71

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

3 V

300 mA

1 Output

4 uA

200 kHz to 2.2 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

LMR36506MSC3RPERQ1
Texas Instruments
1: $7.71
1,309In Stock

Mfr. Part No.
LMR36506MSC3RPERQ1

Mouser Part No
595-R36506MSC3RPERQ1

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

Learn More

Datasheet

1,309In Stock

Cut Tape

$7.71

$5.89

$5.43

$4.93

View

Reel

$4.32

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

3.3 V

600 mA

1 Output

4 uA

2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

LMR36506MSC5RPERQ1
Texas Instruments
1: $7.05
2,944In Stock

Mfr. Part No.
LMR36506MSC5RPERQ1

Mouser Part No
595-R36506MSC5RPERQ1

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

Learn More

Datasheet

2,944In Stock

Cut Tape

$7.05

$5.38

$4.96

$4.49

View

Reel

$3.95

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

5 V

600 mA

1 Output

4 uA

2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503MSCQRPERQ1
Texas Instruments
1: $6.60
251In Stock
3,000Expected 7/9/2026

Mfr. Part No.
LMR36503MSCQRPERQ1

Mouser Part No
595-R36503MSCQRPERQ1

Texas Instruments

Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve

Learn More

Datasheet

251In Stock

3,000Expected 7/9/2026

Cut Tape

$6.60

$5.02

$4.63

$4.18

View

Reel

$3.61

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

Adjustable

300 mA

1 Output

4 uA

2.2 MHz

- 40 C

+ 150 C

LMR36503

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

LMR36506MSCQRPERQ1
Texas Instruments
1: $7.05
293In Stock
3,000Expected 10/8/2026

Mfr. Part No.
LMR36506MSCQRPERQ1

Mouser Part No
595-R36506MSCQRPERQ1

Texas Instruments

Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi

Learn More

Datasheet

293In Stock

3,000Expected 10/8/2026

Cut Tape

$7.05

$5.38

$4.96

$4.49

View

Reel

$3.95

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

VQFN-HR-9

Buck

Adjustable

600 mA

1 Output

4 uA

2.2 MHz

- 40 C

+ 150 C

LMR36506

Reel, Cut Tape, MouseReel

LMR36503/LMR36503-Q1 65V 0.3A Buck Converter

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