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

LMR36503MSC3RPERQ1
Texas Instruments
1: $7.08
5,924In Stock

Mfr. Part #
LMR36503MSC3RPERQ1

Mouser Part #
595-R36503MSC3RPERQ1

Texas Instruments

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

Learn More

Datasheet

5,924In Stock

Cut Tape

$7.08

$5.37

$4.96

$4.48

View

Reel

$3.58

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503MSC5RPERQ1
Texas Instruments
1: $7.08
6,781In Stock

Mfr. Part #
LMR36503MSC5RPERQ1

Mouser Part #
595-R36503MSC5RPERQ1

Texas Instruments

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

Learn More

Datasheet

6,781In Stock

Cut Tape

$7.08

$5.39

$4.96

$4.48

View

Reel

$3.88

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 0.6-A b uck converter optimi

LMR36506RS3QRPERQ1
Texas Instruments
1: $7.66
11,246In Stock

Mfr. Part #
LMR36506RS3QRPERQ1

Mouser Part #
595-R36506RS3QRPERQ1

Texas Instruments

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

Learn More

Datasheet

11,246In Stock

Cut Tape

$7.66

$5.85

$5.39

$4.88

View

Reel

$3.99

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

LMR36506RF3RPER
Texas Instruments
1: $6.60
12,276In Stock

Mfr. Part #
LMR36506RF3RPER

Mouser Part #
595-LMR36506RF3RPER

Texas Instruments

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

Learn More

Datasheet

12,276In Stock

Cut Tape

$6.60

$5.00

$4.61

$4.18

View

Reel

$3.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

LMR36503RS5QRPERQ1
Texas Instruments
1: $7.08
2,547In Stock

Mfr. Part #
LMR36503RS5QRPERQ1

Mouser Part #
595-R36503RS5QRPERQ1

Texas Instruments

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

Learn More

Datasheet

2,547In Stock

Cut Tape

$7.08

$5.37

$4.96

$4.48

View

Reel

$3.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 u ltra-small synchrono

LMR36506R5RPER
Texas Instruments
1: $6.60
3,521In Stock

Mfr. Part #
LMR36506R5RPER

Mouser Part #
595-LMR36506R5RPER

Texas Instruments

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

Learn More

Datasheet

3,521In Stock

Cut Tape

$6.60

$5.00

$4.61

$4.16

View

Reel

$3.41

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 0.3-A u ltra-small synchrono

LMR36503R5RPER
Texas Instruments
1: $6.09
11,099In Stock

Mfr. Part #
LMR36503R5RPER

Mouser Part #
595-LMR36503R5RPER

Texas Instruments

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

Learn More

Datasheet

11,099In Stock

Cut Tape

$6.09

$4.62

$4.24

$3.84

View

Reel

$3.28

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 0.3-A u ltra-small synchrono

LMR36503R5URPER
Texas Instruments
1: $6.39
1,180In Stock

Mfr. Part #
LMR36503R5URPER

Mouser Part #
595-LMR36503R5URPER

Texas Instruments

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

Learn More

Datasheet

1,180In Stock

Cut Tape

$6.39

$4.84

$4.45

$4.02

View

Reel

$3.45

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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: $6.48
4,110In Stock

Mfr. Part #
LMR36503RFRPER

Mouser Part #
595-LMR36503RFRPER

Texas Instruments

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

Learn More

Datasheet

4,110In Stock

Cut Tape

$6.48

$5.86

$5.51

Reel

$3.38

Quote

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

LMR36506RFRPER
Texas Instruments
1: $6.60
1,265In Stock

Mfr. Part #
LMR36506RFRPER

Mouser Part #
595-LMR36506RFRPER

Texas Instruments

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

Learn More

Datasheet

1,265In Stock

Cut Tape

$6.60

$5.00

$4.61

$4.16

View

Reel

$3.61

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

LMR36506RRPER
Texas Instruments
1: $6.60
3,209In Stock

Mfr. Part #
LMR36506RRPER

Mouser Part #
595-LMR36506RRPER

Texas Instruments

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

Learn More

Datasheet

3,209In Stock

Cut Tape

$6.60

$5.00

$4.61

$4.16

View

Reel

$3.59

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503MSCQRPERQ1
Texas Instruments
1: $7.08
1,228In Stock

Mfr. Part #
LMR36503MSCQRPERQ1

Mouser Part #
595-R36503MSCQRPERQ1

Texas Instruments

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

Learn More

Datasheet

1,228In Stock

Cut Tape

$7.08

$5.39

$4.96

$4.50

View

Reel

$3.76

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 Automotive 3-V to 65 -V 0.3-A buck conve

LMR36503RS3QRPERQ1
Texas Instruments
1: $7.08
1,517In Stock

Mfr. Part #
LMR36503RS3QRPERQ1

Mouser Part #
595-R36503RS3QRPERQ1

Texas Instruments

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

Learn More

Datasheet

1,517In Stock

Cut Tape

$7.08

$5.39

$4.96

$4.48

View

Reel

$3.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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: $7.66
1,654In Stock

Mfr. Part #
LMR36506MSC3RPERQ1

Mouser Part #
595-R36506MSC3RPERQ1

Texas Instruments

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

Learn More

Datasheet

1,654In Stock

Cut Tape

$7.66

$5.83

$5.39

$4.88

View

Reel

$4.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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: $7.66
2,983In Stock

Mfr. Part #
LMR36506MSC5RPERQ1

Mouser Part #
595-R36506MSC5RPERQ1

Texas Instruments

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

Learn More

Datasheet

2,983In Stock

Cut Tape

$7.66

$5.85

$5.39

$4.88

View

Reel

$4.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 3-V to 65-V 0.6-A b uck converter optimi

LMR36506MSCQRPERQ1
Texas Instruments
1: $7.66
2,530In Stock

Mfr. Part #
LMR36506MSCQRPERQ1

Mouser Part #
595-R36506MSCQRPERQ1

Texas Instruments

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

Learn More

Datasheet

2,530In Stock

Cut Tape

$7.66

$5.83

$5.39

$4.88

View

Reel

$4.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

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

LMR36506R3RPER
Texas Instruments
1: $6.60
2,830Expected 2026-04-16

Mfr. Part #
LMR36506R3RPER

Mouser Part #
595-LMR36506R3RPER

Texas Instruments

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

Learn More

Datasheet

2,830Expected 2026-04-16

Cut Tape

$6.60

$5.00

$4.61

$4.16

View

Reel

$3.59

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

LMR36503/LMR36503-Q1 65V 0.3A Buck Converter

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