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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
LM2840YQMK/NOPB

LM2840YQMK/NOPB

IC REG BUCK ADJ 100MA TSOT23-6

Texas Instruments

867
LM2840YQMK/NOPB

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 100mA 1.25MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
BD9703FP-E2

BD9703FP-E2

IC REG BUCK ADJ 1.5A TO252-5

Rohm Semiconductor

18,888
BD9703FP-E2

Datasheet

- TO-252-5, DPAK (4 Leads + Tab), TO-252AD Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 35V 1V 32V 1.5A 300kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-252-5
TPS54394RSAT

TPS54394RSAT

IC REG BUCK ADJ 3A DL 16QFN

Texas Instruments

1,652
TPS54394RSAT

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 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
MPQ2172GJ-AEC1-Z

MPQ2172GJ-AEC1-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

5,345
MPQ2172GJ-AEC1-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 2A 2.6MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount TSOT-23-8
MP2318GJ-Z

MP2318GJ-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

2,895
MP2318GJ-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.8V 19.92V 2A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
SM72485SDE/NOPB

SM72485SDE/NOPB

IC REG BUCK ADJ 150MA 8WSON

Texas Instruments

2,072
SM72485SDE/NOPB

Datasheet

SolarMagic™ 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 95V 2.5V 85V 150mA 50kHz ~ 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
MAX17620ATA+T

MAX17620ATA+T

IC REG BUCK ADJ 600MA 8TDFN

Analog Devices Inc./Maxim Integrated

1,227
MAX17620ATA+T

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 1.5V 3.4V 600mA 4MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 8-TDFN-EP (2x2)
LM26420Q1XMH/NOPB

LM26420Q1XMH/NOPB

IC REG BUCK ADJ 2A DL 20HTSSOP

Texas Instruments

2,347
LM26420Q1XMH/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Step-Down Positive Adjustable 2 3V Buck 5.5V 0.8V 4.5V 2A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
MIC26901YJL-TR

MIC26901YJL-TR

IC REG BUCK ADJ 9A 28QFN

Microchip Technology

2,598
MIC26901YJL-TR

Datasheet

Hyper Speed Control®, SuperSwitcher II™ 28-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 0.8V 5.5V 9A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (5x6)
LM5008SDC/NOPB

LM5008SDC/NOPB

IC REG BUCK ADJ 350MA 8WSON

Texas Instruments

2,178
LM5008SDC/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 9.5V Buck 95V 2.5V 75V 350mA 50kHz ~ 600kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
LM26420Q1XSQ/NOPB

LM26420Q1XSQ/NOPB

IC REG BUCK ADJ 2A DL 16WQFN

Texas Instruments

1,846
LM26420Q1XSQ/NOPB

Datasheet

- 16-WQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3V Buck 5.5V 0.8V 4.5V 2A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-WQFN (4x4)
LM2575D2T-ADJR4G

LM2575D2T-ADJR4G

IC REG BUCK ADJ 1A D2PAK-5

onsemi

1,425
LM2575D2T-ADJR4G

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.75V Buck 40V 1.23V 37V 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
TPS61030PWP

TPS61030PWP

IC REG BOOST ADJ 3.6A 16HTSSOP

Texas Instruments

524
TPS61030PWP

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 1.8V 5.5V 3.6A (Switch) 600kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
LM2576TV-ADJG

LM2576TV-ADJG

IC REG BUCK ADJ 3A TO220-5

onsemi

182
LM2576TV-ADJG

Datasheet

- TO-220-5 Formed Leads Tube Active Step-Down Positive or Negative Adjustable 1 7V Buck 40V 1.23V 37V 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2576T-5.0/LF02

LM2576T-5.0/LF02

IC REG BUCK 5V 3A TO220-5

Texas Instruments

133
LM2576T-5.0/LF02

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Bulk Active Step-Down Positive Fixed 1 4V Buck 40V 5V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2576T-ADJ/LF02

LM2576T-ADJ/LF02

IC REG BUCK ADJ 3A TO220-5

Texas Instruments

308
LM2576T-ADJ/LF02

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 1.23V 37V 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2576T-15/LF03

LM2576T-15/LF03

IC REG BUCK 15V 3A TO220-5

Texas Instruments

148
LM2576T-15/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4V Buck 40V 15V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
BD86120EFJ-E2

BD86120EFJ-E2

IC REG BUCK ADJ 5A 8HTSOP-J

Rohm Semiconductor

39,880
BD86120EFJ-E2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 18V 0.8V 14.4V 5A 550kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-HTSOP-J
BD9C601EFJ-E2

BD9C601EFJ-E2

IC REG BUCK ADJ 6A 8HTSOP-J

Rohm Semiconductor

1,448
BD9C601EFJ-E2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.8V 12.6V 6A 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-HTSOP-J
TPS63036YFGT

TPS63036YFGT

IC REG BUCK BOOST ADJ 1A 8DSBGA

Texas Instruments

660
TPS63036YFGT

Datasheet

- 8-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up, Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.2V 5.5V 1A (Switch) 2.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DSBGA
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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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