Voltage Regulators - Switching Regulators

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LMR140x0/LMR140x0-Q1 Step-Down Regulators

Texas Instruments LMR140x0/LMR140x0-Q1 Step-Down Regulators are 40V 2A (LMR14020), 3.5A (LMR14030) or 5.0A (LMR14050) step-down regulators with an integrated high-side MOSFET. With a wide input range from 4V to 40V, they are suitable for various applications from industrial to automotive for power conditioning from unregulated sources. The regulator's quiescent current is 40µA in Sleep-mode, which is suitable for battery powered systems. An ultra-low 1µA current in shut-down mode can further prolong battery life. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components of the device. The LMR140x0-Q1 devices are AEC-Q100 qualified for automotive applications.

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Part #

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SSDDARQ1

LMR14020SSQDDAQ1
Texas Instruments
1: S/16.58
12,125In Stock

Mfr. Part #
LMR14020SSQDDAQ1

Mouser Part #
595-LMR14020SSQDDAQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SSDDARQ1

Learn More

Datasheet

12,125In Stock

S/16.58

S/12.57

S/10.67

S/10.16

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Tube

Switching Voltage Regulators 40V 2A 2.2Mhz Simple Switcher A 595-LMR1 A 595-LMR14020SDDAR

LMR14020SDDA
Texas Instruments
1: S/14.64
7,000In Stock

Mfr. Part #
LMR14020SDDA

Mouser Part #
595-LMR14020SDDA

Texas Instruments

Switching Voltage Regulators 40V 2A 2.2Mhz Simple Switcher A 595-LMR1 A 595-LMR14020SDDAR

Learn More

Datasheet

7,000In Stock

S/14.64

S/11.05

S/9.34

S/8.91

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

2 A

1 Output

40 uA

2.2 MHz

- 40 C

+ 125 C

LMR14020

Tube

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDDARQ1

LMR14030SQDDAQ1
Texas Instruments
1: S/18.14
558In Stock

Mfr. Part #
LMR14030SQDDAQ1

Mouser Part #
595-LMR14030SQDDAQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDDARQ1

Learn More

Datasheet

558In Stock

S/18.14

S/13.78

S/11.72

S/11.17

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

3.5 A

1 Output

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14030

Tube

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050SSDDARQ1

LMR14050SSQDDAQ1
Texas Instruments
1: S/19.00
1,963In Stock

Mfr. Part #
LMR14050SSQDDAQ1

Mouser Part #
595-LMR14050SSQDDAQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050SSDDARQ1

Learn More

Datasheet

1,963In Stock

S/19.00

S/14.48

S/12.30

S/11.76

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14050

Tube

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDDARQ1

LMR14020SQDDAQ1
Texas Instruments
1: S/16.58
659In Stock

Mfr. Part #
LMR14020SQDDAQ1

Mouser Part #
595-LMR14020SQDDAQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDDARQ1

Learn More

Datasheet

659In Stock

S/16.58

S/12.57

S/10.67

S/10.16

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Tube

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDPRTQ1

LMR14020SQDPRRQ1
Texas Instruments
1: S/15.53
5,879In Stock

Mfr. Part #
LMR14020SQDPRRQ1

Mouser Part #
595-LMR14020SQDPRRQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDPRTQ1

Learn More

Datasheet

5,879In Stock

Cut Tape

S/15.53

S/11.72

S/10.78

S/9.73

View

Reel

S/8.17

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

WSON-10

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SSQDDAQ1

LMR14020SSQDDARQ1
Texas Instruments
1: S/14.40
2,209In Stock

Mfr. Part #
LMR14020SSQDDARQ1

Mouser Part #
595-LMR14020SSDDARQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SSQDDAQ1

Learn More

Datasheet

2,209In Stock

Cut Tape

S/14.40

S/10.86

S/10.00

S/8.99

Reel

S/7.75

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030QDPRTQ1

LMR14030QDPRRQ1
Texas Instruments
1: S/16.97
2,097In Stock

Mfr. Part #
LMR14030QDPRRQ1

Mouser Part #
595-LMR14030QDPRRQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030QDPRTQ1

Learn More

Datasheet

2,097In Stock

Cut Tape

S/16.97

S/12.85

S/11.83

S/10.70

View

Reel

S/9.11

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

WSON-10

Buck

800 mV to 28 V

3.5 A

1 Output

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14030

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDPRRQ1

LMR14020SQDPRTQ1
Texas Instruments
1: S/17.67
489In Stock

Mfr. Part #
LMR14020SQDPRTQ1

Mouser Part #
595-LMR14020SQDPRTQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDPRRQ1

Learn More

Datasheet

489In Stock

Cut Tape

S/17.67

S/13.43

S/12.34

S/11.17

Reel

S/10.08

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

WSON-10

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDDAQ1

LMR14020SQDDARQ1
Texas Instruments
1: S/14.40
71In Stock

Mfr. Part #
LMR14020SQDDARQ1

Mouser Part #
595-LMR14020SQDDARQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020SQDDAQ1

Learn More

Datasheet

71In Stock

Cut Tape

S/14.40

S/10.86

S/10.00

S/8.99

Reel

S/7.75

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SSDDARQ1

LMR14030SSQDDAQ1
Texas Instruments
1: S/18.14
1,662In Stock

Mfr. Part #
LMR14030SSQDDAQ1

Mouser Part #
595-LMR14030SSQDDAQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SSDDARQ1

Learn More

Datasheet

1,662In Stock

S/18.14

S/13.78

S/11.72

S/11.17

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

3.5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14030

Tube

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020QDPRTQ1

LMR14020QDPRRQ1
Texas Instruments
1: S/15.53
1,799In Stock

Mfr. Part #
LMR14020QDPRRQ1

Mouser Part #
595-LMR14020QDPRRQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020QDPRTQ1

Learn More

Datasheet

1,799In Stock

Cut Tape

S/15.53

S/11.72

S/10.78

S/9.73

View

Reel

S/8.37

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

WSON-10

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030QDPRRQ1

LMR14030QDPRTQ1
Texas Instruments
1: S/19.31
621In Stock

Mfr. Part #
LMR14030QDPRTQ1

Mouser Part #
595-LMR14030QDPRTQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030QDPRRQ1

Learn More

Datasheet

621In Stock

Cut Tape

S/19.31

S/15.03

S/13.82

S/12.53

Reel

S/11.91

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

WSON-10

Buck

800 mV to 28 V

3.5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14030

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 40V 3.5A 2.2Mhz Simp le Switcher A 595-L A 595-LMR14030SDDAR

LMR14030SDDA
Texas Instruments
1: S/16.08
3,800In Stock

Mfr. Part #
LMR14030SDDA

Mouser Part #
595-LMR14030SDDA

Texas Instruments

Switching Voltage Regulators 40V 3.5A 2.2Mhz Simp le Switcher A 595-L A 595-LMR14030SDDAR

Learn More

Datasheet

3,800In Stock

S/16.08

S/12.11

S/11.13

S/10.04

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

3.5 A

1 Output

40 uA

2.2 MHz

- 40 C

+ 125 C

LMR14030

Tube

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDDAQ1

LMR14030SQDDARQ1
Texas Instruments
1: S/16.23
937In Stock

Mfr. Part #
LMR14030SQDDARQ1

Mouser Part #
595-LMR14030SQDDARQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDDAQ1

Learn More

Datasheet

937In Stock

Cut Tape

S/16.23

S/12.26

S/11.29

S/10.16

View

Reel

S/8.76

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

3.5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14030

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDPRTQ1

LMR14030SQDPRRQ1
Texas Instruments
1: S/15.57
1,647In Stock

Mfr. Part #
LMR14030SQDPRRQ1

Mouser Part #
595-LMR14030SQDPRRQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDPRTQ1

Learn More

Datasheet

1,647In Stock

Cut Tape

S/15.57

S/13.23

Reel

S/9.46

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

WSON-10

Buck

800 mV to 28 V

3.5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14030

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDPRRQ1

LMR14030SQDPRTQ1
Texas Instruments
1: S/19.31
544In Stock

Mfr. Part #
LMR14030SQDPRTQ1

Mouser Part #
595-LMR14030SQDPRTQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 3.5-A A A 595-LMR14030SQDPRRQ1

Learn More

Datasheet

544In Stock

Cut Tape

S/19.31

S/14.71

S/13.55

S/12.53

Reel

S/11.91

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

WSON-10

Buck

800 mV to 28 V

3.5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14030

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050QDPRTQ1

LMR14050QDPRRQ1
Texas Instruments
1: S/17.75
3,004In Stock

Mfr. Part #
LMR14050QDPRRQ1

Mouser Part #
595-LMR14050QDPRRQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050QDPRTQ1

Learn More

Datasheet

3,004In Stock

Cut Tape

S/17.75

S/13.47

S/12.42

S/11.25

View

Reel

S/9.93

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

WSON-10

Buck

800 mV to 28 V

5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14050

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050QDPRRQ1

LMR14050QDPRTQ1
Texas Instruments
1: S/20.67
1,396In Stock

Mfr. Part #
LMR14050QDPRTQ1

Mouser Part #
595-LMR14050QDPRTQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050QDPRRQ1

Learn More

Datasheet

1,396In Stock

Cut Tape

S/20.67

S/15.76

S/14.52

S/13.16

Reel

S/12.53

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

WSON-10

Buck

800 mV to 28 V

5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14050

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER 40-V 5-A 2.2-MHz step- A A 595-LMR14050SDDA

LMR14050SDDAR
Texas Instruments
1: S/15.45
251In Stock
5,000Expected 10/22/2026

Mfr. Part #
LMR14050SDDAR

Mouser Part #
595-LMR14050SDDAR

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER 40-V 5-A 2.2-MHz step- A A 595-LMR14050SDDA

Learn More

Datasheet

251In Stock

5,000Expected 10/22/2026

Cut Tape

S/15.45

S/11.60

S/10.63

S/9.58

Reel

S/7.94

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

5 A

1 Output

40 uA

2.2 MHz

- 40 C

+ 125 C

LMR14050

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050SQDPRTQ1

LMR14050SQDPRRQ1
Texas Instruments
1: S/17.75
2,906In Stock

Mfr. Part #
LMR14050SQDPRRQ1

Mouser Part #
595-LMR14050SQDPRRQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050SQDPRTQ1

Learn More

Datasheet

2,906In Stock

Cut Tape

S/17.75

S/13.47

S/12.42

S/11.25

View

Reel

S/9.58

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

WSON-10

Buck

800 mV to 28 V

5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14050

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050SSQDDAQ1

LMR14050SSQDDARQ1
Texas Instruments
1: S/17.05
1,152In Stock

Mfr. Part #
LMR14050SSQDDARQ1

Mouser Part #
595-LMR14050SSDDARQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 A A 595-LMR14050SSQDDAQ1

Learn More

Datasheet

1,152In Stock

Cut Tape

S/17.05

S/12.88

S/11.83

S/10.70

View

Reel

S/9.23

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14050

Reel, Cut Tape, MouseReel

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 D DISC-BY-MFG-2/16

LMR14050SQDDAQ1
Texas Instruments
1: S/29.19
181In Stock

Mfr. Part #
LMR14050SQDDAQ1

Mouser Part #
595-LMR14050SQDDAQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40V 5A 2.2 D DISC-BY-MFG-2/16

Learn More

Datasheet

181In Stock

S/29.19

S/22.54

S/19.38

S/19.03

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

5 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14050

Tube

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020QDPRRQ1

LMR14020QDPRTQ1
Texas Instruments
1: S/17.67
94In Stock

Mfr. Part #
LMR14020QDPRTQ1

Mouser Part #
595-LMR14020QDPRTQ1

Texas Instruments

Switching Voltage Regulators SIMPLE SWITCHER Aut omotive 40-V 2-A 2 A A 595-LMR14020QDPRRQ1

Learn More

Datasheet

94In Stock

Cut Tape

S/17.67

S/13.43

S/12.34

S/11.17

Reel

S/10.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

WSON-10

Buck

800 mV to 28 V

2 A

1 Output

40 uA

200 kHz to 2.5 MHz

- 40 C

+ 125 C

AEC-Q100

LMR14020

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 40V 5A 2.2Mhz Simple Switcher A 595-LMR1 A 595-LMR14050SDDAR

LMR14050SDDA
Texas Instruments
1: S/18.84
448In Stock

Mfr. Part #
LMR14050SDDA

Mouser Part #
595-LMR14050SDDA

Texas Instruments

Switching Voltage Regulators 40V 5A 2.2Mhz Simple Switcher A 595-LMR1 A 595-LMR14050SDDAR

Learn More

Datasheet

448In Stock

S/18.84

S/14.40

S/12.22

S/11.64

View

Min.: 1
Mult.: 1

SMD/SMT

SO-PowerPAD-8

Buck

800 mV to 28 V

5 A

1 Output

40 uA

2.2 MHz

- 40 C

+ 125 C

LMR14050

Tube

LMR140x0/LMR140x0-Q1 Step-Down Regulators

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