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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
BD9A400MUV-E2

BD9A400MUV-E2

IC REG BUCK ADJ 4A 16VQFN

Rohm Semiconductor

11,299
BD9A400MUV-E2

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 3.85V 4A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount VQFN016V3030
TPS62802YKAT

TPS62802YKAT

IC REG BUCK ADJ/1.8V 1A 6DSBGA

Texas Instruments

8,810
TPS62802YKAT

Datasheet

- 6-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 1.8V Buck 5.5V 1.8V (1.8V) 3.3V 1A 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA (1.05x0.70)
TPS54331GDR

TPS54331GDR

IC REG BUCK ADJ 3A 8SOIC

Texas Instruments

6,319
TPS54331GDR

Datasheet

Eco-Mode™ 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 28V 0.8V 25V 3A 570kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
TPS54239EDDAR

TPS54239EDDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

4,727
TPS54239EDDAR

Datasheet

SWIFT™, D-CAP2™, Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.76V 7V 2A 600kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
XC9145B33CER-G

XC9145B33CER-G

IC REG BOOST 3.3V 800MA 6USPC

Torex Semiconductor Ltd

2,749
XC9145B33CER-G

Datasheet

- 6-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.65V Boost 5.5V 3.3V - 800mA 1.2MHz - Yes - -40°C ~ 105°C (TA) Surface Mount 6-USPC (1.8x2)
XC9145B50CER-G

XC9145B50CER-G

IC REG BOOST 5V 800MA 6USPC

Torex Semiconductor Ltd

2,695
XC9145B50CER-G

Datasheet

- 6-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.65V Boost 5.5V 5V - 800mA 1.2MHz - Yes - -40°C ~ 105°C (TA) Surface Mount 6-USPC (1.8x2)
TPS62801YKAT

TPS62801YKAT

IC REG BUCK ADJ/0.8V 1A 6DSBGA

Texas Instruments

1,524
TPS62801YKAT

Datasheet

- 6-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 1.8V Buck 5.5V 0.8V (1.2V) 1.55V 1A 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA (1.05x0.70)
AOZ2261NQI-12

AOZ2261NQI-12

IC REG BUCK ADJ 8A 23QFNB

Alpha & Omega Semiconductor Inc.

5,446
AOZ2261NQI-12

Datasheet

- 23-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 28V 0.6V 23.8V 8A - - Yes - -40°C ~ 85°C (TA) Surface Mount 23-QFNB (4x4)
RT7251BZQW

RT7251BZQW

IC REG BUCK ADJ 1.5A 8WDFN

Richtek USA Inc.

4,635
RT7251BZQW

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 17V 0.8V 12V 1.5A 800kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WDFN (2x2)
TPS54428DDA

TPS54428DDA

IC REG BUCK ADJ 4A 8SOPWR

Texas Instruments

123
TPS54428DDA

Datasheet

D-CAP2™, Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 4A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
TPS54339DDAR

TPS54339DDAR

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

5,210
TPS54339DDAR

Datasheet

SWIFT™, D-CAP2™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.76V 7V 3A 600kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
TPS54429PWPR

TPS54429PWPR

IC REG BUCK ADJ 4.5A 14HTSSOP

Texas Instruments

1,813
TPS54429PWPR

Datasheet

SWIFT™, D-CAP2™ 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7V Buck 18V 0.76V 5.5V 4.5A 700kHz - Yes - -20°C ~ 85°C (TA) Surface Mount 14-HTSSOP
TPS62171DSGT

TPS62171DSGT

IC REG BUCK 1.8V 500MA 8WSON

Texas Instruments

670
TPS62171DSGT

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 17V 1.8V - 500mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TPS5402DR

TPS5402DR

IC REG BUCK ADJ 1.7A 8SOIC

Texas Instruments

6,582
TPS5402DR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 28V 0.8V 26.04V 1.7A 50kHz ~ 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
RT8099GQU

RT8099GQU

IC REG BUCK ADJ 600MA 6UDFN

Richtek USA Inc.

19,515
RT8099GQU

Datasheet

- 6-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.7V 5V 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-UDFN (1.6x1.6)
RT8299AZQW

RT8299AZQW

IC REG BUCK ADJ 3A 10WDFN

Richtek USA Inc.

3,239
RT8299AZQW

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 24V 0.8V 15V 3A 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WDFN (3x3)
LM2830ZMF/NOPB

LM2830ZMF/NOPB

IC REG BUCK ADJ 1A SOT23-5

Texas Instruments

1,485
LM2830ZMF/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1A 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
TLV62084DSGT

TLV62084DSGT

IC REG BUCK ADJ 2A 8WSON

Texas Instruments

6,251
TLV62084DSGT

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.5V 4V 2A 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TLV62084ADSGT

TLV62084ADSGT

IC REG BUCK ADJ 2A 8WSON

Texas Instruments

2,678
TLV62084ADSGT

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.5V 4V 2A 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TPS62293DRVR

TPS62293DRVR

IC REG BUCK 1.8V 1A 6WSON

Texas Instruments

16,706
TPS62293DRVR

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 6V 1.8V - 1A 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
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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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