Semiconductors – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

Regulators

Allegro MicroSystems Regulators offer a large selection of wide-input, Grade 0 automotive and industrial power management ICs. The regulator solutions deliver excellent value, high quality, and meaningful integration. Furthermore, the robust, efficient regulators feature a high-temperature operation (150°C).

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Semiconductors

List Images

Results: 24

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Switching Voltage Regulators CONSTANT ON TIME BUCK SWITCHING REGULATO

A4403GEUTR-T
Allegro MicroSystems
1: £1.42
31,607In Stock

Mfr. Part No.
A4403GEUTR-T

Mouser Part No
250-A4403GEUTR-T

Allegro MicroSystems

Switching Voltage Regulators CONSTANT ON TIME BUCK SWITCHING REGULATO

Learn More

Datasheet

31,607In Stock

Cut Tape

£1.42

£1.05

£0.943

£0.849

Reel

£0.724

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Switching Voltage Regulators ADJUSTABLE FREQUENCY BUCK REGULATOR

A4412KLVTR-T
Allegro MicroSystems
1: £6.63
625In Stock
12,000Expected 20/08/2026

Mfr. Part No.
A4412KLVTR-T

Mouser Part No
250-A4412KLVTR-T

Allegro MicroSystems

Switching Voltage Regulators ADJUSTABLE FREQUENCY BUCK REGULATOR

Learn More

Datasheet

625In Stock

12,000Expected 20/08/2026

Cut Tape

£6.63

£4.96

£4.74

£4.11

View

Reel

£3.08

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Power Management Specialised - PMIC SIDE WALL PLATED 8603

A8603KESTR-R
Allegro MicroSystems
1: £2.73
8,335In Stock

Mfr. Part No.
A8603KESTR-R

Mouser Part No
250-A8603KESTR-R

Allegro MicroSystems

Power Management Specialised - PMIC SIDE WALL PLATED 8603

Learn More

Datasheet

8,335In Stock

Cut Tape

£2.73

£2.07

£1.89

£1.70

View

Reel

£1.36

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PWM

A8586KLJTR-T-1
Allegro MicroSystems
1: £1.76
5,529In Stock

Mfr. Part No.
A8586KLJTR-T-1

Mouser Part No
250-A8586KLJTR-T-1

Allegro MicroSystems

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PWM

Learn More

Datasheet

5,529In Stock

Cut Tape

£1.76

£1.32

£1.20

£1.07

Reel

£0.882

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators WIDE INPUT 1A LOW IQ BUCK (8590-BASE)

ARG81800KESJSR
Allegro MicroSystems
1: £1.96
4,521In Stock

Mfr. Part No.
ARG81800KESJSR

Mouser Part No
250-ARG81800KESJSR

Allegro MicroSystems

Switching Voltage Regulators WIDE INPUT 1A LOW IQ BUCK (8590-BASE)

Learn More

Datasheet

4,521In Stock

Cut Tape

£1.96

£1.47

£1.34

£1.20

View

Reel

£0.969

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Power Management Specialised - PMIC MULTI-OUTPUT AUTOMOTIVE REGULATOR

A4405KLPTR-T
Allegro MicroSystems
1: £4.48
7,875In Stock

Mfr. Part No.
A4405KLPTR-T

Mouser Part No
250-A4405KLPTR-T

Allegro MicroSystems

Power Management Specialised - PMIC MULTI-OUTPUT AUTOMOTIVE REGULATOR

Learn More

Datasheet

7,875In Stock

Cut Tape

£4.48

£3.08

£2.87

£2.52

View

Reel

£1.75

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Switching Voltage Regulators UMC VERSION OF 4447

A4447SLJTR-T
Allegro MicroSystems
1: £1.19
8,109In Stock
9,000Expected 16/11/2026

Mfr. Part No.
A4447SLJTR-T

Mouser Part No
250-A4447SLJTR-T

Allegro MicroSystems

Switching Voltage Regulators UMC VERSION OF 4447

Learn More

Datasheet

8,109In Stock

9,000Expected 16/11/2026

Cut Tape

£1.19

£0.89

£0.818

£0.73

Reel

£0.617

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators HIGH VOLTAGE STEP DOWN REGULATOR

A8498SLJTR-T
Allegro MicroSystems
1: £1.33
7,906In Stock

Mfr. Part No.
A8498SLJTR-T

Mouser Part No
250-A8498SLJTR-T

Allegro MicroSystems

Switching Voltage Regulators HIGH VOLTAGE STEP DOWN REGULATOR

Learn More

Datasheet

7,906In Stock

Cut Tape

£1.33

£0.995

£0.89

£0.841

Reel

£0.703

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators LOW INPUT VOLTAGE BUCK REGULATOR

A8650KEJTR-T
Allegro MicroSystems
1: £2.92
17,999In Stock

Mfr. Part No.
A8650KEJTR-T

Mouser Part No
250-A8650KEJTR-T

Allegro MicroSystems

Switching Voltage Regulators LOW INPUT VOLTAGE BUCK REGULATOR

Learn More

Datasheet

17,999In Stock

Cut Tape

£2.92

£1.98

£1.83

£1.59

Reel

£1.02

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PFM DITHER

A8586KLJTR-T
Allegro MicroSystems
1: £2.60
34In Stock
18,000Expected 30/10/2026

Mfr. Part No.
A8586KLJTR-T

Mouser Part No
250-A8586KLJTR-T

Allegro MicroSystems

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PFM DITHER

Learn More

Datasheet

34In Stock

18,000Expected 30/10/2026

Cut Tape

£2.60

£1.71

£1.58

£1.37

Reel

£0.882

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PWM

A8586KLJTR-T-2
Allegro MicroSystems
1: £2.60
2,995In Stock

Mfr. Part No.
A8586KLJTR-T-2

Mouser Part No
250-A8586KLJTR-T-2

Allegro MicroSystems

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PWM

Learn More

Datasheet

2,995In Stock

Cut Tape

£2.60

£1.71

£1.58

£1.37

Reel

£0.882

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators WIDE INPUT 1A LOW IQ BUCK (8590-BASE)

ARG81800KESJSR-1
Allegro MicroSystems
1: £1.55
5,953In Stock

Mfr. Part No.
ARG81800KESJSR-1

Mouser Part No
250-ARG81800KESJSR-1

Allegro MicroSystems

Switching Voltage Regulators WIDE INPUT 1A LOW IQ BUCK (8590-BASE)

Learn More

Datasheet

5,953In Stock

Cut Tape

£1.55

£1.43

£1.31

£1.20

View

Reel

£0.995

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Switching Voltage Regulators WIDE INPUTVOLTAGE, 2 A BUCK REGULATOR, 2 MHZ FSW, LOW IQ, LOW DROP OUT

A8591KEJTR-J-1
Allegro MicroSystems
1: £3.73
294In Stock

Mfr. Part No.
A8591KEJTR-J-1

Mouser Part No
250-A8591KEJTR-J-1

Allegro MicroSystems

Switching Voltage Regulators WIDE INPUTVOLTAGE, 2 A BUCK REGULATOR, 2 MHZ FSW, LOW IQ, LOW DROP OUT

Learn More

Datasheet

294In Stock

Cut Tape

£3.73

£2.46

£2.24

£1.90

Reel

£1.33

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PWM

A8586KEJTR-T-2
Allegro MicroSystems
1: £1.76
1,105In Stock
80On Order

Mfr. Part No.
A8586KEJTR-T-2

Mouser Part No
250-A8586KEJTR-T-2

Allegro MicroSystems

Switching Voltage Regulators 40 V, 3.5 STEP-DOWN CONVERTER, PWM

Learn More

Datasheet

1,105In Stock

80On Order

Cut Tape

£1.76

£1.32

£1.20

£1.07

Reel

£0.899

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Power Management Specialised - PMIC ADJUSTABLE FREQUENCY BUCK REGULATOR

ARG81400KLVATR
Allegro MicroSystems
12,000: £3.08
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
ARG81400KLVATR

Mouser Part No
250-ARG81400KLVATR

Allegro MicroSystems

Power Management Specialised - PMIC ADJUSTABLE FREQUENCY BUCK REGULATOR

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Cut Tape

£3.08

MouseReel Available

Min.: 12,000
Mult.: 12,000

: 4,000

Power Management Specialised - PMIC UMC VERSION

A4407KLPTR-T
Allegro MicroSystems
12,000: £1.93
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A4407KLPTR-T

Mouser Part No
250-A4407KLPTR-T

Allegro MicroSystems

Power Management Specialised - PMIC UMC VERSION

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£1.93

MouseReel Available

Min.: 12,000
Mult.: 12,000

: 4,000

Power Management Specialised - PMIC MEP LEADFRAME - 444432 VERSION OF A4408

A4408KLVTR-T
Allegro MicroSystems
12,000: £3.75
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A4408KLVTR-T

Mouser Part No
250-A4408KLVTR-T

Allegro MicroSystems

Power Management Specialised - PMIC MEP LEADFRAME - 444432 VERSION OF A4408

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£3.75

MouseReel Available

Min.: 12,000
Mult.: 12,000

: 4,000

Power Management Specialised - PMIC ADJUSTABLE FREQUENCY BUCK REGULATOR

A4411KLVTR-T
Allegro MicroSystems
12,000: £2.44
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A4411KLVTR-T

Mouser Part No
250-A4411KLVTR-T

Allegro MicroSystems

Power Management Specialised - PMIC ADJUSTABLE FREQUENCY BUCK REGULATOR

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£2.44

MouseReel Available

Min.: 12,000
Mult.: 12,000

: 4,000

Switching Voltage Regulators 40 V, 2.0 STEP-DOWN CONVERTER, PFM

A8587KEJTR-T
Allegro MicroSystems
18,000: £0.882
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A8587KEJTR-T

Mouser Part No
250-A8587KEJTR-T

Allegro MicroSystems

Switching Voltage Regulators 40 V, 2.0 STEP-DOWN CONVERTER, PFM

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£0.882

MouseReel Available

Min.: 18,000
Mult.: 18,000

: 1,500

Power Management Specialised - PMIC MULTI-OUTPUT REGULATOR FOR AUTOMOTIVE APPLICATIONS

A8600EJPTR-T
Allegro MicroSystems
9,000: £6.12
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A8600EJPTR-T

Mouser Part No
250-A8600EJPTR-T

Allegro MicroSystems

Power Management Specialised - PMIC MULTI-OUTPUT REGULATOR FOR AUTOMOTIVE APPLICATIONS

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£6.12

MouseReel Available

Min.: 9,000
Mult.: 9,000

: 1,500

Power Management Specialised - PMIC UMC VERSION OF 8601

A8601KLPTR-T
Allegro MicroSystems
12,000: £2.54
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A8601KLPTR-T

Mouser Part No
250-A8601KLPTR-T

Allegro MicroSystems

Power Management Specialised - PMIC UMC VERSION OF 8601

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£2.54

MouseReel Available

Min.: 12,000
Mult.: 12,000

: 4,000

Switching Voltage Regulators AUTOMOTIVE DUAL OUTPUT 5V BUCK

A8651KLPTR-T-1
Allegro MicroSystems
12,000: £1.84
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A8651KLPTR-T-1

Mouser Part No
250-A8651KLPTR-T-1

Allegro MicroSystems

Switching Voltage Regulators AUTOMOTIVE DUAL OUTPUT 5V BUCK

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£1.84

MouseReel Available

Min.: 12,000
Mult.: 12,000

: 4,000

Current & Power Monitors & Regulators AUTOMOTIVE SYNCHRONOUS BUCK CONTROLER

A8660KESTR-J
Allegro MicroSystems
9,000: £1.20
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
A8660KESTR-J

Mouser Part No
250-A8660KESTR-J

Allegro MicroSystems

Current & Power Monitors & Regulators AUTOMOTIVE SYNCHRONOUS BUCK CONTROLER

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£1.20

MouseReel Available

Min.: 9,000
Mult.: 9,000

: 1,500

Power Management Specialised - PMIC PRE-REGULATOR WITH 5 IINTERNAL LINEAR REGULATORS, WATCHDOG TIMER, AND SPI

ARG81402KETATR
Allegro MicroSystems
9,000: £2.23
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
ARG81402KETATR

Mouser Part No
250-ARG81402KETATR

Allegro MicroSystems

Power Management Specialised - PMIC PRE-REGULATOR WITH 5 IINTERNAL LINEAR REGULATORS, WATCHDOG TIMER, AND SPI

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Cut Tape

£2.23

MouseReel Available

Min.: 9,000
Mult.: 9,000

: 1,500

Regulators

Types of Semiconductors

Customer Service Office

Company

Resources

Support