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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
MAX17693BATC+

MAX17693BATC+

IC REG FLYBACK ADJ 12TDFN

Analog Devices Inc./Maxim Integrated

582
MAX17693BATC+

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)
BM2P137QKF-E2

BM2P137QKF-E2

IC REG BUCK 1.2MA 8SOP

Rohm Semiconductor

2,496
BM2P137QKF-E2

Datasheet

- 8-SOIC (0.173", 4.40mm Width) Tape & Reel (TR) Active - Positive - 1 10.6V Buck 14.05V - - 1.2mA 100kHz - No - -40°C ~ 105°C (TA) Surface Mount 8-SOP
TPS61391RTET

TPS61391RTET

IC REG BOOST ADJ 16WQFN

Texas Instruments

206
TPS61391RTET

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 5.5V 20V 85V - 700kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-WQFN (3x3)
LM62440CLPQRJRRQ1

LM62440CLPQRJRRQ1

IC REG BUCK 5V 4A 14VQFN

Texas Instruments

3,000
LM62440CLPQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 36V 5V - 4A 400kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
LM62440BLPQRJRRQ1

LM62440BLPQRJRRQ1

IC REG BUCK 3.3V 4A 14VQFN

Texas Instruments

2,898
LM62440BLPQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 36V 3.3V - 4A 400kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
ISL8012IRZ

ISL8012IRZ

IC REG BUCK ADJ 2A 10DFN

Renesas Electronics Corporation

1,996
ISL8012IRZ

Datasheet

- 10-VFDFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 5.5V 2A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
MPQ28261DL-LF-Z

MPQ28261DL-LF-Z

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

3,878
MPQ28261DL-LF-Z

Datasheet

- 14-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 21V 0.603V 18V 3A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (3x4)
MPQ2178GQHE-P

MPQ2178GQHE-P

IC REG BUCK ADJ 2A 8QFN

Monolithic Power Systems Inc.

500
MPQ2178GQHE-P

Datasheet

- 8-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 2A 2.4MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 8-QFN (2x1.5)
MPQ2177AGQHE-AEC1-P

MPQ2177AGQHE-AEC1-P

IC REG BUCK ADJ 1A 8QFN

Monolithic Power Systems Inc.

500
MPQ2177AGQHE-AEC1-P

Datasheet

- 8-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 1A 2.4MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 8-QFN (2x1.5)
BM2PAB1Y-Z

BM2PAB1Y-Z

IC REG FLYBACK 1.76A 7DIPK

Rohm Semiconductor

2,098
BM2PAB1Y-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active Step-Up/Step-Down Positive - 1 11.1V Flyback 26V - - 1.76A 25kHz - No - -40°C ~ 105°C Through Hole 7-DIPK
BM2P0151-Z

BM2P0151-Z

IC REG FLYBACK 900A 7DIP

Rohm Semiconductor

2,000
BM2P0151-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 8.9V Flyback 26V - - 900µA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIP
BM2P121XH-Z

BM2P121XH-Z

IC REG BUCK ADJ 850A 7DIPK

Rohm Semiconductor

2,000
BM2P121XH-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active Step-Down Positive Adjustable 1 9.5V Buck 12.96V - 12.96V 850µA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIPK
BM2P241X-Z

BM2P241X-Z

IC REG BUCK 850A 7DIPK

Rohm Semiconductor

2,000
BM2P241X-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 12V Buck 26.78V - - 850µA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIPK
BM2P161X-Z

BM2P161X-Z

IC REG BUCK 850A 7DIPK

Rohm Semiconductor

2,000
BM2P161X-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 12V Buck 18.14V - - 850µA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIPK
BM2P121X-Z

BM2P121X-Z

IC REG BUCK 850A 7DIPK

Rohm Semiconductor

951
BM2P121X-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 9.5V Buck 12.96V - - 850µA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIPK
BM2P151X-Z

BM2P151X-Z

IC REG BUCK 850A 7DIPK

Rohm Semiconductor

333
BM2P151X-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 12V Buck 16.2V - - 850µA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIPK
TPS65252RHDT

TPS65252RHDT

IC REG BUCK ADJ 3A/2A DL 28VQFN

Texas Instruments

2,786
TPS65252RHDT

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 16V 0.8V 15V 3A, 2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-VQFN (5x5)
MPQ9841GLE-33-AEC1-Z

MPQ9841GLE-33-AEC1-Z

IC REG BUCK 3.3V 1A 16QFN

Monolithic Power Systems Inc.

8,671
MPQ9841GLE-33-AEC1-Z

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 3.3V - 1A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
MP9843GL-P

MP9843GL-P

IC REG BUCK ADJ 3A 16QFN

Monolithic Power Systems Inc.

475
MP9843GL-P

Datasheet

MP 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 3A 350kHz ~ 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
BD9106FVM-TR

BD9106FVM-TR

IC REG BUCK ADJ 800MA 8MSOP

Rohm Semiconductor

3,000
BD9106FVM-TR

Datasheet

- 8-VSSOP, 8-MSOP (0.110", 2.80mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 5.5V 1V 2.5V 800mA 1MHz - Yes - -25°C ~ 85°C (TA) Surface Mount 8-MSOP
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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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