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Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device Package
BD9B301MUV-LBE2

BD9B301MUV-LBE2

IC REG BUCK ADJ 3A 16VQFN

Rohm Semiconductor

5,909
BD9B301MUV-LBE2

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 4.4V 3A 1MHz, 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount VQFN016V3030
LM43601PWPT

LM43601PWPT

IC REG BUCK ADJ 1A 16HTSSOP

Texas Instruments

768
LM43601PWPT

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 28V 1A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
TPS65250RHAT

TPS65250RHAT

IC REG BCK ADJ 3A/2A TRPL 40VQFN

Texas Instruments

248
TPS65250RHAT

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 18V 0.8V 17.1V 3A, 2A 300kHz ~ 2.2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 40-VQFN (6x6)
LM53603AMPWPR

LM53603AMPWPR

IC REG BUCK ADJ 3A 16HTSSOP

Texas Instruments

3,369
LM53603AMPWPR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.9V Buck 36V 3.3V 10V 3A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM2651MTC-3.3/NOPB

LM2651MTC-3.3/NOPB

IC REG BUCK 3.3V 1.5A 16TSSOP

Texas Instruments

258
LM2651MTC-3.3/NOPB

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 4V Buck 14V 3.3V - 1.5A 300kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP
ADP2120ACPZ-R7

ADP2120ACPZ-R7

IC REG BUCK ADJ 1.25A 10LFCSP

Analog Devices Inc.

10,308
ADP2120ACPZ-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 5.5V 0.6V 5.5V 1.25A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-LFCSP-WD (3x3)
MPQ9843GLE-5-AEC1-Z

MPQ9843GLE-5-AEC1-Z

IC REG BUCK 5V 3A 16QFN

Monolithic Power Systems Inc.

4,734
MPQ9843GLE-5-AEC1-Z

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 5V - 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
ADP2120ACPZ-3.3-R7

ADP2120ACPZ-3.3-R7

IC REG BUCK 3.3V 1.25A 10LFCSP

Analog Devices Inc.

3,811
ADP2120ACPZ-3.3-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3.3V - 1.25A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-LFCSP-WD (3x3)
MPM3632SGPQ-P

MPM3632SGPQ-P

IC REG BUCK ADJ 3A 10ECLGA

Monolithic Power Systems Inc.

2,708
MPM3632SGPQ-P

Datasheet

- 10-LFLGA Module Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.8V 5.2V 3A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-ECLGA (3x3)
MAX17531AUB+

MAX17531AUB+

IC REG BUCK ADJ 50MA 10UMAX

Analog Devices Inc./Maxim Integrated

608
MAX17531AUB+

Datasheet

Himalaya 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 42V 0.8V 37.8V 50mA 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-uMAX/uSOP
ADP5300ACPZ-1-R7

ADP5300ACPZ-1-R7

IC REG BUCK PROG 10LFCSP

Analog Devices Inc.

2,492
ADP5300ACPZ-1-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 6.5V 0.8V 5V 50mA, 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-LFCSP-WD (3x3)
ADP1614ACPZ-R7

ADP1614ACPZ-R7

IC REG BOOST ADJ 3A 10LFCSP

Analog Devices Inc.

2,301
ADP1614ACPZ-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 5.5V 2.5V 20V 3A (Switch) 650kHz, 1.3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-LFCSP-WD (3x3)
LM46000AQPWPRQ1

LM46000AQPWPRQ1

IC REG BUCK ADJ 500MA 16HTSSOP

Texas Instruments

1,767
LM46000AQPWPRQ1

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 1V 28V 500mA 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MP3435GL-P

MP3435GL-P

IC REG BOOST ADJ 19A 20QFN

Monolithic Power Systems Inc.

515
MP3435GL-P

Datasheet

- 20-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 3V Boost 20V 3V 22V 19A (Switch) 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LM53601MQDSXRQ1

LM53601MQDSXRQ1

IC REG BUCK ADJ 1A 10WSON

Texas Instruments

1,165
LM53601MQDSXRQ1

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 3.3V 6V 1A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 10-WSON (3x3)
LM2597N-5.0/NOPB

LM2597N-5.0/NOPB

IC REG BUCK 5V 500MA 8PDIP

Texas Instruments

277
LM2597N-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
MP8760GLE-Z

MP8760GLE-Z

IC REG BUCK ADJ 6A 16QFN

Monolithic Power Systems Inc.

18,520
MP8760GLE-Z

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 18V 0.611V 13V 6A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
BD9P235EFV-CE2

BD9P235EFV-CE2

IC REG BUCK 3.3V 2A 20HTSSOP-B

Rohm Semiconductor

26,716
BD9P235EFV-CE2

Datasheet

- 20-VSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 40V 3.3V - 2A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 20-HTSSOP-B
LM46000PWP

LM46000PWP

IC REG BUCK ADJ 500MA 16HTSSOP

Texas Instruments

4,786
LM46000PWP

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 3.5V Buck 60V 1V 28V 500mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
BD9P255EFV-CE2

BD9P255EFV-CE2

IC REG BUCK 5V 2A 20HTSSOP-B

Rohm Semiconductor

3,485
BD9P255EFV-CE2

Datasheet

- 20-VSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 40V 5V - 2A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 20-HTSSOP-B
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Frequently Asked Questions

Voltage Regulators - DC DC Switching Regulators Overview

Voltage Regulators - DC-DC Switching Regulators Overview

DC-DC Switching Regulators, also known as DC-DC converters, are essential components in modern power management systems. Unlike linear regulators that dissipate excess energy as heat, switching regulators use high-frequency switching elements and energy storage components (inductors, capacitors) to efficiently step up, step down, or invert voltage levels. This design enables conversion efficiency levels of 80–95% or higher, making them indispensable for portable electronics, industrial automation, automotive systems, and communication equipment.

Key Advantages

High Efficiency: By minimizing energy loss, DC-DC switching regulators extend battery life in mobile devices and reduce overall power consumption in embedded systems.
Flexibility: Available in buck (step-down), boost (step-up), buck-boost, and inverting topologies, they provide engineers with versatile solutions for a wide range of voltage conversion needs.
Compact Size: With the integration of control circuitry and optimized packaging, regulators are now available in ultra-small footprints such as QFN and TSSOP, enabling compact PCB designs.
Thermal Performance: Efficient energy transfer reduces heat generation, which is critical in high-density boards and automotive ECUs.

Typical Applications

Consumer Electronics: Smartphones, tablets, wearables, and gaming devices rely on DC-DC converters for stable operation of processors, memory, and RF modules.
Industrial Equipment: Used in factory automation, robotics, and sensor networks where stable power is critical.
Automotive Systems: Powertrain control modules, infotainment units, and ADAS (Advanced Driver Assistance Systems) require efficient DC-DC conversion to meet stringent performance and reliability standards.
Telecommunication & Networking: Routers, base stations, and IoT gateways integrate switching regulators to ensure consistent power delivery under variable loads.

Features to Consider

When selecting a DC-DC switching regulator, engineers should evaluate:
Input voltage range and output voltage accuracy
Maximum output current capability
Efficiency curves under various load conditions
Switching frequency and EMI performance
Package type and thermal dissipation
Compliance with RoHS/REACH and automotive AEC-Q100 standards

Inventory and Availability

At OEMSTOCK.COM, we maintain a broad selection of Voltage Regulators – DC-DC Switching Regulators from leading manufacturers such as Texas Instruments, Analog Devices, Nuvoton, and Nisshinbo Micro Devices. Products are available in multiple packages and stocked in significant quantities to support both prototype development and large-scale production. Our global sourcing network ensures competitive pricing and reliable lead times, while our RFQ system allows engineers and procurement teams to request customized quotations instantly.
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