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 3-V to 65-V 0.6-A u ltra-small synchrono

LMR36506RF3RPER
Texas Instruments
1: $4.83
12,251In 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

12,251In Stock

Cut Tape

$4.83

$3.67

$3.38

$3.06

View

Reel

$2.60

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

LMR36503MSC5RPERQ1
Texas Instruments
1: $5.04
6,584In 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

6,584In Stock

Cut Tape

$5.04

$3.84

$3.54

$3.21

View

Reel

$2.86

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

LMR36503MSC3RPERQ1
Texas Instruments
1: $5.04
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

$5.04

$3.84

$3.54

$3.21

View

Reel

$2.85

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 0.3-A u ltra-small synchrono

LMR36503R5RPER
Texas Instruments
1: $4.46
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

$4.46

$3.38

$3.11

$2.82

View

Reel

$2.43

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: $5.55
11,114In 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

11,114In Stock

Cut Tape

$5.55

$4.24

$3.91

$3.54

View

Reel

$3.19

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

LMR36506R5RPER
Texas Instruments
1: $4.83
3,341In 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

3,341In Stock

Cut Tape

$4.83

$3.67

$3.38

$3.06

View

Reel

$2.65

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

LMR36506RFRPER
Texas Instruments
1: $4.83
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

$4.83

$3.67

$3.38

$3.07

View

Reel

$2.64

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

LMR36506RRPER
Texas Instruments
1: $4.83
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

$4.83

$3.67

$3.38

$3.06

View

Reel

$2.65

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: $4.67
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

$4.67

$3.55

$3.27

$2.96

View

Reel

$2.55

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 0.6-A u ltra-small synchrono

LMR36506R3RPER
Texas Instruments
1: $4.95
2,031In 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

2,031In Stock

Cut Tape

$4.95

$3.73

$3.42

$3.09

View

Reel

$2.67

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

LMR36503RS5QRPERQ1
Texas Instruments
1: $5.04
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

$5.04

$3.84

$3.54

$3.21

$3.15

Reel

$2.67

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 0.3-A u ltra-small synchrono

LMR36503RFRPER
Texas Instruments
1: $4.22
3,124In 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

3,124In Stock

Cut Tape

$4.22

$3.59

Reel

$2.74

Quote

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 b uck converter optimi

LMR36506MSC3RPERQ1
Texas Instruments
1: $5.55
1,255In 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

1,255In Stock

Cut Tape

$5.55

$4.24

$3.91

$3.55

View

Reel

$3.11

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: $5.07
1,408In Stock
6,000Expected 26/10/2026

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

1,408In Stock

6,000Expected 26/10/2026

Cut Tape

$5.07

$3.87

$3.57

$3.23

View

Reel

$2.84

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: $4.75
96In Stock
3,000Expected 07/09/2026

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

96In Stock

3,000Expected 07/09/2026

Cut Tape

$4.75

$3.61

$3.33

$3.01

View

Reel

$2.60

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

LMR36503RS3QRPERQ1
Texas Instruments
1: $4.75
369In Stock
6,000Expected 09/07/2026

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

369In Stock

6,000Expected 09/07/2026

Cut Tape

$4.75

$3.61

$3.33

$3.01

View

Reel

$2.60

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

LMR36506MSCQRPERQ1
Texas Instruments
1: $5.07
45In Stock
3,000Expected 10/08/2026

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

45In Stock

3,000Expected 10/08/2026

Cut Tape

$5.07

$3.87

$3.57

$3.23

View

Reel

$2.84

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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