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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
TPS63027YFFT

TPS63027YFFT

IC REG BUCK BOOST ADJ 2A 25DSBGA

Texas Instruments

455
TPS63027YFFT

Datasheet

- 25-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.3V Buck-Boost 5.5V 1V 5.5V 2A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 25-DSBGA
BD8313HFN-TR

BD8313HFN-TR

IC REG BUCK ADJ 1.2A 8HSON

Rohm Semiconductor

164
BD8313HFN-TR

Datasheet

- 8-PowerUDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 14V 1.2V 12V 1.2A 900kHz ~ 1.1MHz - Yes - -25°C ~ 85°C (TA) Surface Mount 8-HSON
MAX17692BATC+

MAX17692BATC+

IC REG FLYBACK 12TDFN

Analog Devices Inc./Maxim Integrated

2,747
MAX17692BATC+

Datasheet

- 12-WFDFN Exposed Pad Tray Active Step-Up/Step-Down Positive - 1 4.2V Flyback 60V - - - 100kHz ~ 350kHz - No - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
RT6308AGQUF

RT6308AGQUF

IC REG BUCK ADJ 8A 13UQFN

Richtek USA Inc.

1,779
RT6308AGQUF

Datasheet

- 13-PowerUFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.6V 5.1V 8A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 13-UQFN (FC) (3x3)
MAX15058EWL+T

MAX15058EWL+T

IC REG BUCK ADJ 3A 9WLP

Analog Devices Inc./Maxim Integrated

19,408
MAX15058EWL+T

Datasheet

- 9-WFBGA, WLBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.17V 3A 1MHz - Yes - -40°C ~ 85°C (TJ) Surface Mount 9-WLP (1.5x1.5)
MP6004GQ-P

MP6004GQ-P

IC REG BUCK FLYBACK ADJ 3A 14QFN

Monolithic Power Systems Inc.

983
MP6004GQ-P

Datasheet

- 14-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 14V Buck, Flyback 80V -0.5V 150V 3A (Switch) 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (3x3)
TPS60120PWP

TPS60120PWP

IC REG CHARGE PUMP 3.3V 20HTSSOP

Texas Instruments

490
TPS60120PWP

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Step-Up Positive Fixed 1 1.8V Charge Pump 3.6V 3.3V - 200mA 320kHz - No - -40°C ~ 85°C (TA) Surface Mount 20-HTSSOP
MP2105DJ-LF-P

MP2105DJ-LF-P

IC REG BUCK ADJ 800MA TSOT23-5

Monolithic Power Systems Inc.

642
MP2105DJ-LF-P

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 2.5V Buck 6V 0.6V 6V 800mA 1.05MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
MPQ2179GQHE-Z

MPQ2179GQHE-Z

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

4,914
MPQ2179GQHE-Z

Datasheet

- 8-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 3A 2.4MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 8-QFN (2x1.5)
MP9943AGQ-P

MP9943AGQ-P

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

439
MP9943AGQ-P

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 28.5V 3A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
TDA38820AUMA1

TDA38820AUMA1

IC REG BUCK ADJ 20A IQFN-29-1

Infineon Technologies

4,510
TDA38820AUMA1

Datasheet

- 29-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 17V 0.6V 6V 20A 600kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount PG-IQFN-29-1
R1271L331B-TR-K

R1271L331B-TR-K

IC REG BUCK 3.3V 1A 12DFN

Nisshinbo Micro Devices Inc.

5,985
R1271L331B-TR-K

Datasheet

R1271x 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.6V Buck 30V 3.3V - 1A 2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount DFN3030-12B
R1271L501A-TR-K

R1271L501A-TR-K

IC REG BUCK 5V 1A 12DFN

Nisshinbo Micro Devices Inc.

2,528
R1271L501A-TR-K

Datasheet

R1271x 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.6V Buck 30V 5V - 1A 2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount DFN3030-12B
LM2575SX-15/NOPB

LM2575SX-15/NOPB

IC REG BUCK 15V 1A TO263

Texas Instruments

890
LM2575SX-15/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 40V 15V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
TPS54495RSAT

TPS54495RSAT

IC REG BUCK ADJ 4A/2A DL 16QFN

Texas Instruments

262
TPS54495RSAT

Datasheet

D-CAP2™, Eco-Mode™ 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 4A, 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
MPQ4323CGRHE-33-AEC1-Z

MPQ4323CGRHE-33-AEC1-Z

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

5,000
MPQ4323CGRHE-33-AEC1-Z

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-QFN (2.5x3)
MPQ4323CGRHE-5-AEC1-Z

MPQ4323CGRHE-5-AEC1-Z

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

5,000
MPQ4323CGRHE-5-AEC1-Z

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-QFN (2.5x3)
MPQ4323CGRHE-AEC1-Z

MPQ4323CGRHE-AEC1-Z

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

4,790
MPQ4323CGRHE-AEC1-Z

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-QFN (2.5x3)
MP9842GL-P

MP9842GL-P

IC REG BUCK ADJ 2A 16QFN

Monolithic Power Systems Inc.

887
MP9842GL-P

Datasheet

MP 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 2A 350kHz ~ 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
MAX17693AATC+

MAX17693AATC+

IC REG FLYBACK ADJ 12TDFN

Analog Devices Inc./Maxim Integrated

839
MAX17693AATC+

Datasheet

- 12-WFDFN Exposed Pad Tray Active Step-Up/Step-Down Positive Adjustable 1 4.2V Flyback 60V 1.215V 40.8V - 100kHz ~ 350kHz - No - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
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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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