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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
SC189LULTRT

SC189LULTRT

IC REG BUCK 1.8V 1.5A 6MLPD

Semtech Corporation

10,440
SC189LULTRT

Datasheet

- 6-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.9V Buck 5.5V 1.8V - 1.5A 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-MLPD-UT (2x2)
TPS54228D

TPS54228D

IC REG BUCK ADJ 2A 8SOIC

Texas Instruments

675
TPS54228D

Datasheet

D-CAP2™, Eco-Mode™ 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LM3673TLX-1.8/NOPB

LM3673TLX-1.8/NOPB

IC REG BUCK 1.8V 350MA 5DSBGA

Texas Instruments

2,941
LM3673TLX-1.8/NOPB

Datasheet

- 5-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.8V - 350mA 2MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 5-DSBGA (1.41x1.08)
PCA9412AUKZ

PCA9412AUKZ

IC REG BOOST 5.4V 300MA 9WLCSP

NXP USA Inc.

2,695
PCA9412AUKZ

Datasheet

- 9-UFBGA, WLCSP Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.5V Boost 5.25V 5.4V 5.56V 300mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-WLCSP (1.24x1.24)
TPS61241YFFT

TPS61241YFFT

IC REG BOOST 5V 600MA 6DSBGA

Texas Instruments

740
TPS61241YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 3.2V Boost 5.5V 5V - 600mA (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
TPS62675YFDR

TPS62675YFDR

IC REG BUCK 1.2V 650MA 6DSBGA

Texas Instruments

4,631
TPS62675YFDR

Datasheet

- 6-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 4.8V 1.2V - 650mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
TPS61259YFFR

TPS61259YFFR

IC REG BOOST 5.1V 3.9A 9DSBGA

Texas Instruments

1,389
TPS61259YFFR

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.65V Boost 4.85V 5.1V - 3.9A (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
TPS54227DRCT

TPS54227DRCT

IC REG BUCK ADJ 2A 10VSON

Texas Instruments

3,975
TPS54227DRCT

Datasheet

D-CAP2™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
R1210N602D-TR-FE

R1210N602D-TR-FE

IC REG BOOST 5MA SOT23-5

Nisshinbo Micro Devices Inc.

2,995
R1210N602D-TR-FE

Datasheet

R1210Nxx2x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 - Boost 8V - 6V 5mA 180kHz - No - -40°C ~ 85°C Surface Mount SOT-23-5
TPS62562DRVT

TPS62562DRVT

IC REG BUCK 1.8V 600MA 6WSON

Texas Instruments

843
TPS62562DRVT

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.8V - 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
TPS62561DDCT

TPS62561DDCT

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

385
TPS62561DDCT

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.85V 5.5V 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
AOZ1212DI

AOZ1212DI

IC REG BUCK ADJ 3A 8DFN

Alpha & Omega Semiconductor Inc.

15,415
AOZ1212DI

Datasheet

EZBuck™ 8-VDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 27V 0.8V 22.95V 3A 370kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-DFN (4x5)
AOZ2262NQI-12

AOZ2262NQI-12

IC REG BUCK ADJ 10A 23QFNB

Alpha & Omega Semiconductor Inc.

2,971
AOZ2262NQI-12

Datasheet

- 23-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 28V 0.6V 23.8V 10A - - Yes - -40°C ~ 85°C (TA) Surface Mount 23-QFNB (4x4)
TPS622317DRYR

TPS622317DRYR

IC REG BUCK 2.9V 500MA 6SON

Texas Instruments

3,995
TPS622317DRYR

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.05V Buck 6V 2.9V - 500mA 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-SON (1.45x1)
TPS622314DRYR

TPS622314DRYR

IC REG BUCK 1.5V 500MA 6SON

Texas Instruments

4,877
TPS622314DRYR

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.05V Buck 6V 1.5V - 500mA 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-SON (1.45x1)
R1200N003A-TR-FE

R1200N003A-TR-FE

IC REG BOOST ADJ 700MA SOT23-6

Nisshinbo Micro Devices Inc.

2,553
R1200N003A-TR-FE

Datasheet

R1200x SOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 5.5V - - 700mA (Switch) 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
R1200N001A-TR-FE

R1200N001A-TR-FE

IC REG BOOST ADJ 700MA SOT23-6

Nisshinbo Micro Devices Inc.

2,307
R1200N001A-TR-FE

Datasheet

R1200x SOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 5.5V - - 700mA (Switch) 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
XC9276DR040R-G

XC9276DR040R-G

IC REG BUCK 0.5V/0.65V DL 6WLP

Torex Semiconductor Ltd

4,900
XC9276DR040R-G

Datasheet

XC9276 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Down Positive Fixed 2 1.8V Buck 6V 0.5V, 0.65V - 150mA, 150mA - - Yes - -40°C ~ 85°C (TA) Surface Mount WLP-6-03 (1.07x1.72)
XC9276D1410R-G

XC9276D1410R-G

IC REG BUCK 0.7/1.8V 150MA 6WLP

Torex Semiconductor Ltd

4,601
XC9276D1410R-G

Datasheet

XC9276 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Down Positive Fixed 2 1.8V Buck 6V 0.7V, 1.8V - 150mA - - Yes - -40°C ~ 85°C (TA) Surface Mount WLP-6-03 (1.07x1.72)
XCM414B033D2-G

XCM414B033D2-G

IC REG BUCK 3.3V USP-8B10

Torex Semiconductor Ltd

709
XCM414B033D2-G

Datasheet

- 8-PowerXDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 26V 3.3V - - - - No - -40°C ~ 85°C (TA) Surface Mount USP-8B10
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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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