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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
TL2575-33IKV

TL2575-33IKV

IC REG BUCK 3.3V 1A TO220-5

Texas Instruments

282
TL2575-33IKV

Datasheet

- TO-220-5 Formed Leads Bulk Active Step-Down Positive Fixed 1 4.75V Buck 40V 3.3V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
TS30012-M050QFNR

TS30012-M050QFNR

IC REG BUCK 5V 2A 16QFN

Semtech Corporation

10,831
TS30012-M050QFNR

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 24V 5V - 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
TPS57040QDGQRQ1

TPS57040QDGQRQ1

IC REG BUCK ADJ 500MA 10HVSSOP

Texas Instruments

3,035
TPS57040QDGQRQ1

Datasheet

Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 42V 0.8V 39V 500mA 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
TPS40222DRPT

TPS40222DRPT

IC REG BUCK ADJ 1.6A 6VSON

Texas Instruments

670
TPS40222DRPT

Datasheet

- 6-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 8V 0.8V 7.2V 1.6A 1.25MHz - No - -40°C ~ 125°C (TA) Surface Mount 6-VSON (3x3)
TPS54295PWPR

TPS54295PWPR

IC REG BUCK ADJ 2A DL 16HTSSOP

Texas Instruments

5,676
TPS54295PWPR

Datasheet

D-CAP2™, Eco-Mode™ 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
TPS54526PWPR

TPS54526PWPR

IC REG BUCK ADJ 5.5A 14HTSSOP

Texas Instruments

5,555
TPS54526PWPR

Datasheet

D-CAP2™, Eco-Mode™ 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 5.5V 5.5A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
R1271L501A-TR

R1271L501A-TR

IC REG BUCK 5.5V 1A 12DFN

Nisshinbo Micro Devices Inc.

5,345
R1271L501A-TR

Datasheet

R1271x 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.6V Buck 30V 5.5V - 1A 2MHz - Yes - -40°C ~ 105°C (TA) Surface Mount DFN3030-12B
TPS54060ADRCR

TPS54060ADRCR

IC REG BCK SPLIT RAIL ADJ 10VSON

Texas Instruments

5,267
TPS54060ADRCR

Datasheet

SWIFT™, Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck, Split Rail 60V 0.8V 58V 500mA 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
MP3209DJ-LF-Z

MP3209DJ-LF-Z

IC REG BOOST ADJ 350MA TSOT23-5

Monolithic Power Systems Inc.

3,871
MP3209DJ-LF-Z

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 6V 3V 22V 350mA 1.4MHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
SIC438DED-T1-GE3

SIC438DED-T1-GE3

IC REG BCK ADJ POWERPAK MLP44-24

Vishay Siliconix

1,965
SIC438DED-T1-GE3

Datasheet

- 24-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 28V 0.6V 25.2V 8A 300kHz ~ 1MHz - Yes - -40°C ~ 105°C (TA) Surface Mount PowerPAK® MLP44-24
SIC438CED-T1-GE3

SIC438CED-T1-GE3

IC REG BCK ADJ POWERPAK MLP44-24

Vishay Siliconix

922
SIC438CED-T1-GE3

Datasheet

- 24-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 28V 0.6V 25.2V 8A 300kHz ~ 1MHz - Yes - -40°C ~ 105°C (TA) Surface Mount PowerPAK® MLP44-24
LMR33630APCQRNXRQ1

LMR33630APCQRNXRQ1

IC REG BUCK ADJ 3A 12VQFN

Texas Instruments

2,726
LMR33630APCQRNXRQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LMR33630APAQRNXRQ1

LMR33630APAQRNXRQ1

IC REG BUCK ADJ 3A 12VQFN

Texas Instruments

2,290
LMR33630APAQRNXRQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
TPS53316RGTR

TPS53316RGTR

IC REG BUCK ADJ 5A 16VQFN

Texas Instruments

1,195
TPS53316RGTR

Datasheet

SmoothPWM™, Eco-Mode™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.9V Buck 6V 0.6V 4.8V 5A 725kHz, 1.1Mhz, 1.8MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-VQFN (3x3)
TPS60202DGSR

TPS60202DGSR

IC REG CHARGE PUMP 3.3V 10VSSOP

Texas Instruments

2,440
TPS60202DGSR

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.6V Charge Pump 3.6V 3.3V - 50mA 300kHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-VSSOP
MP1494SGJ-Z

MP1494SGJ-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

10,886
MP1494SGJ-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 16V 0.8V 15.2V 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
ZXLD1615ET5TA

ZXLD1615ET5TA

IC REG BST FLYBACK ADJ TSOT23-5

Diodes Incorporated

10,292
ZXLD1615ET5TA

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, Flyback, SEPIC 5.5V 2.5V 28V 500mA (Switch) Up to 1MHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
MP1471GJ-Z

MP1471GJ-Z

IC REG BUCK ADJ 3A TSOT23-6

Monolithic Power Systems Inc.

8,114
MP1471GJ-Z

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.7V Buck 16V 0.8V 14.4V 3A 490kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LMR34215FAQRNXRQ1

LMR34215FAQRNXRQ1

IC REG BUCK ADJ 1.5A 12VQFN

Texas Instruments

2,277
LMR34215FAQRNXRQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 42V 1V 42V 1.5A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
RP506L111H-TR-K

RP506L111H-TR-K

IC REG BUCK 1.1V 2A 12DFN

Nisshinbo Micro Devices Inc.

2,851
RP506L111H-TR-K

Datasheet

RP506L 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.1V - 2A 2.3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount DFN3030-12
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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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