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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
BD9P205MUF-CE2

BD9P205MUF-CE2

IC REG BUCK ADJ 2A VQFN20FV4040

Rohm Semiconductor

2,495
BD9P205MUF-CE2

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 40V 0.8V 8.5V 2A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank VQFN20FV4040
TPS51362RVET

TPS51362RVET

IC REG BUCK ADJ 10A 28VQFN

Texas Instruments

1,663
TPS51362RVET

Datasheet

D-CAP2™ 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 3V Buck 22V 0.6V (1.05V, 1.2V, 1.35V, 1.5V) 2V 10A 800kHz - Yes - -10°C ~ 85°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
LM46000PWPT

LM46000PWPT

IC REG BUCK ADJ 500MA 16HTSSOP

Texas Instruments

1,627
LM46000PWPT

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 - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MPQ4423GQ-P

MPQ4423GQ-P

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

1,054
MPQ4423GQ-P

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 3A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
LM2574HVM-12/NOPB

LM2574HVM-12/NOPB

IC REG BUCK 12V 500MA 14SOIC

Texas Instruments

302
LM2574HVM-12/NOPB

Datasheet

SIMPLE SWITCHER® 14-SOIC (0.295", 7.50mm Width) Tube Active Step-Down Positive Fixed 1 4V Buck 60V 12V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-SOIC
MPQ2167BGDE-AEC1-Z

MPQ2167BGDE-AEC1-Z

IC REG BUCK ADJ 4A 11QFN

Monolithic Power Systems Inc.

119
MPQ2167BGDE-AEC1-Z

Datasheet

MPQ 11-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.606V 6V 4A 450kHz ~ 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 11-QFN (2x3)
BD9702T-V5

BD9702T-V5

IC REG BUCK ADJ 3A TO220FP-5

Rohm Semiconductor

483
BD9702T-V5

Datasheet

- TO-220-5 Full Pack, Formed Leads Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 35V 1V 32V 3A 110kHz - No - -40°C ~ 85°C (TA) Through Hole TO220FP-5(V5)
LM2575HVSX-15/NOPB

LM2575HVSX-15/NOPB

IC REG BUCK 15V 1A TO263

Texas Instruments

1,014
LM2575HVSX-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 60V 15V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
MAX17692AATC+

MAX17692AATC+

IC REG FLYBACK 12TDFN

Analog Devices Inc./Maxim Integrated

679
MAX17692AATC+

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)
LM2575HVSX-3.3/NOPB

LM2575HVSX-3.3/NOPB

IC REG BUCK 3.3V 1A TO263

Texas Instruments

166
LM2575HVSX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 60V 3.3V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
MPQ9841GLE-5-AEC1-Z

MPQ9841GLE-5-AEC1-Z

IC REG BUCK 5V 1A 16QFN

Monolithic Power Systems Inc.

13,784
MPQ9841GLE-5-AEC1-Z

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 5V - 1A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
MP4315GRE-P

MP4315GRE-P

IC REG BUCK ADJ 5A 20QFN

Monolithic Power Systems Inc.

714
MP4315GRE-P

Datasheet

- 20-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 45V 0.815V 42.75V 5A 350kHz ~ 1MHz - Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 20-QFN (4x4)
MPQ4420AGJ-AEC1-Z

MPQ4420AGJ-AEC1-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

16,340
MPQ4420AGJ-AEC1-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 32.4V 2A 410kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
MPQ4423HGQ-Z

MPQ4423HGQ-Z

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

9,848
MPQ4423HGQ-Z

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 32.4V 3A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
MPQ9840GLE-5-AEC1-Z

MPQ9840GLE-5-AEC1-Z

IC REG BUCK 5V 3.5A 16QFN

Monolithic Power Systems Inc.

6,097
MPQ9840GLE-5-AEC1-Z

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 5V - 3.5A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
MPQ4420HGJ-AEC1-Z

MPQ4420HGJ-AEC1-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

5,672
MPQ4420HGJ-AEC1-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 32.4V 2A 410kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
MPQ9840GLE-33-AEC1-Z

MPQ9840GLE-33-AEC1-Z

IC REG BUCK 3.3V 3.5A 16QFN

Monolithic Power Systems Inc.

4,993
MPQ9840GLE-33-AEC1-Z

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 3.3V - 3.5A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
LM2597HVM-5.0/NOPB

LM2597HVM-5.0/NOPB

IC REG BUCK 5V 500MA 8SOIC

Texas Instruments

1,243
LM2597HVM-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4.5V Buck 60V 5V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
BD9E100FJ-LBGH2

BD9E100FJ-LBGH2

IC REG BUCK ADJ 1A 8SOPJ

Rohm Semiconductor

654
BD9E100FJ-LBGH2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7V Buck 36V 1V 25.2V 1A 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SOP-J
MPQ4420GJ-AEC1-P

MPQ4420GJ-AEC1-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

513
MPQ4420GJ-AEC1-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 2A 410kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
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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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