Voltage Regulators - Switching Regulators

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MxL7650x Synchronous Step-Down Converters

MaxLinear MxL7650x Synchronous Step-Down (Buck) Converters support up to 18V input with 2A, 3A, 5A, or 8A output capability, using constant-on-time (COT) control for fast transient response, high efficiency, and minimal external components. These high-efficiency, fully integrated synchronous step-down (buck) DC-DC converters are available in compact SOT-23-6, 2mm x 2mm, and 3mm x 3mm QFN packages. The compact, high-performance devices offer robust protection features that simplify power delivery for modern, multi-rail systems. The MxL7650x converters feature a 0.6V to 18V output voltage range and a 500kHz or 1MHz, 700KHz to 720KHz switching frequency range. These converters are stable in operation with low ESR ceramic output capacitors. Typical applications include laptops, tablet PCs, networking and Ethernet systems, personal video recorders, flat-panel TVs and monitors, and distributed power systems.

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Part #

Switching Voltage Regulators 8A synchronous buck regulator, FPWM mode, 3V to 18V input, 0.6V to 18V output, 700kHz, QFN-16 3x3, tape/reel, -40C to +85 C

MXL76508A-AQF-R
MaxLinear
1: S/4.98
3,435In Stock
New Product

Mfr. Part #
MXL76508A-AQF-R

Mouser Part #
701-MXL76508A-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 8A synchronous buck regulator, FPWM mode, 3V to 18V input, 0.6V to 18V output, 700kHz, QFN-16 3x3, tape/reel, -40C to +85 C

Learn More

Datasheet

3,435In Stock

Cut Tape

S/4.98

S/3.61

S/3.27

S/2.89

View

Reel

S/2.42

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

SMD/SMT

QFN-16

Buck

600 mV to 18 V

8 A

1 Output

600 uA

700 kHz

- 40 C

+ 125 C

MXL7650

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 2A synchronous buck regulator, FPWM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

MXL76502A-ASA-R
MaxLinear
1: S/1.91
2,769In Stock
New Product

Mfr. Part #
MXL76502A-ASA-R

Mouser Part #
701-MXL76502A-ASA-R

New Product

MaxLinear

Switching Voltage Regulators 2A synchronous buck regulator, FPWM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

Learn More

Datasheet

2,769In Stock

Cut Tape

S/1.91

S/1.33

S/1.19

S/1.03

Reel

S/0.81

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

SOT-23-6

Buck

600 mV to 18 V

2 A

1 Output

600 uA

720 kHz

- 40 C

+ 150 C

MXL7650

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3A synchronous buck regulator, FPWM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

MXL76503A-ASA-R
MaxLinear
1: S/2.02
21In Stock
6,000On Order
New Product

Mfr. Part #
MXL76503A-ASA-R

Mouser Part #
701-MXL76503A-ASA-R

New Product

MaxLinear

Switching Voltage Regulators 3A synchronous buck regulator, FPWM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

Learn More

Datasheet

21In Stock

6,000On Order

Cut Tape

S/2.02

S/1.42

S/1.27

S/1.11

View

Reel

S/0.887

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

SOT-23-6

Buck

600 mV to 18 V

3 A

1 Output

600 uA

720 kHz

- 40 C

+ 125 C

MXL7650

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 2A synchronous buck regulator, PFM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

MXL76502N-ASA-R
MaxLinear
1: S/1.91
3,000Expected 12/15/2026
New Product

Mfr. Part #
MXL76502N-ASA-R

Mouser Part #
701-MXL76502N-ASA-R

New Product

MaxLinear

Switching Voltage Regulators 2A synchronous buck regulator, PFM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

Learn More

Datasheet

3,000Expected 12/15/2026

Cut Tape

S/1.91

S/1.33

S/1.19

S/1.03

View

Reel

S/0.829

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

SOT-23-6

Buck

600 mV to 18 V

2 A

1 Output

250 uA

720 kHz

- 40 C

+ 150 C

MXL7650

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 3A synchronous buck regulator, PFM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

MXL76503N-ASA-R
MaxLinear
1: S/2.02
3,000Expected 12/15/2026
New Product

Mfr. Part #
MXL76503N-ASA-R

Mouser Part #
701-MXL76503N-ASA-R

New Product

MaxLinear

Switching Voltage Regulators 3A synchronous buck regulator, PFM mode, 4.5V to 18V input, 0.6V to 18V output, 720kHz, SOT-23-6, tape/reel, -40C to +85 C

Learn More

Datasheet

3,000Expected 12/15/2026

Cut Tape

S/2.02

S/1.42

S/1.27

S/1.11

View

Reel

S/0.887

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

SOT-23-6

Buck

600 mV to 18 V

3 A

1 Output

250 uA

720 kHz

- 40 C

+ 125 C

MXL7650

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 5A synchronous buck regulator for MxL7080 SoC rails, 4.5V to 15V input, 0.6V to 1V output, 500kHz, latch fault, QFN-10 2x2, reel

MXL76500C-AQF-R
MaxLinear
1: S/2.41
3,000Expected 8/31/2026
New Product

Mfr. Part #
MXL76500C-AQF-R

Mouser Part #
701-MXL76500C-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 5A synchronous buck regulator for MxL7080 SoC rails, 4.5V to 15V input, 0.6V to 1V output, 500kHz, latch fault, QFN-10 2x2, reel

Learn More

3,000Expected 8/31/2026

Cut Tape

S/2.41

S/1.67

S/1.49

S/1.29

Reel

S/1.04

View

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape

Switching Voltage Regulators 5A synchronous buck regulator for MxL7080 SoC rails, 4.5V to 15V input, 0.6V to 1V output, 1MHz, latch fault, QFN-10 2x2, reel

MXL76500D-AQF-R
MaxLinear
1: S/2.41
3,000Expected 8/31/2026
New Product

Mfr. Part #
MXL76500D-AQF-R

Mouser Part #
701-MXL76500D-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 5A synchronous buck regulator for MxL7080 SoC rails, 4.5V to 15V input, 0.6V to 1V output, 1MHz, latch fault, QFN-10 2x2, reel

Learn More

3,000Expected 8/31/2026

Cut Tape

S/2.41

S/1.67

S/1.49

S/1.29

Reel

S/1.04

View

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 500kHz, hiccup fault, QFN-10 2x2, reel, -40C to +125 C

MXL76505A-AQF-R
MaxLinear
1: S/2.41
3,000On Order
New Product

Mfr. Part #
MXL76505A-AQF-R

Mouser Part #
701-MXL76505A-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 500kHz, hiccup fault, QFN-10 2x2, reel, -40C to +125 C

Learn More

3,000On Order

Cut Tape

S/2.41

S/1.67

S/1.49

S/1.29

View

Reel

S/1.08

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 1MHz, hiccup fault, QFN-10 2x2, reel, -40C to +125 C

MXL76505B-AQF-R
MaxLinear
1: S/2.41
3,000Expected 8/31/2026
New Product

Mfr. Part #
MXL76505B-AQF-R

Mouser Part #
701-MXL76505B-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 1MHz, hiccup fault, QFN-10 2x2, reel, -40C to +125 C

Learn More

3,000Expected 8/31/2026

Cut Tape

S/2.41

S/1.67

S/1.49

S/1.29

Reel

S/1.04

View

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 500kHz, latch fault, QFN-10 2x2, reel, -40C to +125 C

MXL76505C-AQF-R
MaxLinear
1: S/2.41
3,000Expected 2/19/2027
New Product

Mfr. Part #
MXL76505C-AQF-R

Mouser Part #
701-MXL76505C-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 500kHz, latch fault, QFN-10 2x2, reel, -40C to +125 C

Learn More

3,000Expected 2/19/2027

Cut Tape

S/2.41

S/1.67

S/1.49

S/1.29

View

Reel

S/1.08

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 1MHz, latch fault, QFN-10 2x2, reel, -40C to +125 C

MXL76505D-AQF-R
MaxLinear
1: S/2.41
3,000Expected 2/19/2027
New Product

Mfr. Part #
MXL76505D-AQF-R

Mouser Part #
701-MXL76505D-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 5A synchronous buck regulator, 4.5V to 15V input, 0.6V to 6V output, 1MHz, latch fault, QFN-10 2x2, reel, -40C to +125 C

Learn More

3,000Expected 2/19/2027

Cut Tape

S/2.41

S/1.67

S/1.49

S/1.29

View

Reel

S/1.08

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape

Switching Voltage Regulators 8A synchronous buck regulator, PFM mode, 3V to 18V input, 0.6V to 18V output, 700kHz, QFN-16 3x3, tape/reel, -40C to +85 C

MXL76508N-AQF-R
MaxLinear
5,000: S/2.36
Non-Stocked Lead-Time 26 Weeks
New Product

Mfr. Part #
MXL76508N-AQF-R

Mouser Part #
701-MXL76508N-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 8A synchronous buck regulator, PFM mode, 3V to 18V input, 0.6V to 18V output, 700kHz, QFN-16 3x3, tape/reel, -40C to +85 C

Learn More

Datasheet

Non-Stocked Lead-Time 26 Weeks

Reel

S/2.36

Min.: 5,000
Mult.: 5,000

: 5,000

SMD/SMT

QFN-16

Buck

600 mV to 18 V

8 A

1 Output

150 uA

700 kHz

- 40 C

+ 125 C

MXL7650

Reel

Switching Voltage Regulators 8A synchronous buck regulator, ultrasonic mode, 3V to 18V input, 0.6V to 18V output, 700kHz, QFN-16 3x3, tape/reel, -40C to +85 C

MXL76508U-AQF-R
MaxLinear
5,000: S/2.36
Non-Stocked Lead-Time 26 Weeks
New Product

Mfr. Part #
MXL76508U-AQF-R

Mouser Part #
701-MXL76508U-AQF-R

New Product

MaxLinear

Switching Voltage Regulators 8A synchronous buck regulator, ultrasonic mode, 3V to 18V input, 0.6V to 18V output, 700kHz, QFN-16 3x3, tape/reel, -40C to +85 C

Learn More

Datasheet

Non-Stocked Lead-Time 26 Weeks

Reel

S/2.36

Min.: 5,000
Mult.: 5,000

: 5,000

SMD/SMT

QFN-16

Buck

600 mV to 18 V

8 A

1 Output

200 uA

700 kHz

- 40 C

+ 125 C

MXL7650

Reel

MxL7650x Synchronous Step-Down Converters

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