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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
TPS629210QDRLRQ1

TPS629210QDRLRQ1

IC REG BUCK ADJ 1A SOT583

Texas Instruments

14,706
TPS629210QDRLRQ1

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.4V 5.5V 1A 1MHz, 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount SOT-583
LM3281YFQR

LM3281YFQR

IC REG BUCK 3.3V 1.2A 6DSBGA

Texas Instruments

3,770
LM3281YFQR

Datasheet

- 6-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 5.5V 3.3V - 1.2A 6MHz - Yes - -30°C ~ 90°C (TA) Surface Mount 6-DSBGA
LMR62421XMF/NOPB

LMR62421XMF/NOPB

IC REG BST SEPIC ADJ 2.1A SOT23

Texas Instruments

2,825
LMR62421XMF/NOPB

Datasheet

SIMPLE SWITCHER® SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.7V Boost, SEPIC 5.5V 2.7V 24V 2.1A (Switch) 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
BD9D323QWZ-E2

BD9D323QWZ-E2

IC REG BUCK ADJ 3A UMMP008Z2020

Rohm Semiconductor

842
BD9D323QWZ-E2

Datasheet

- 8-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.765V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount UMMP008Z2020
TLV62065DSGR

TLV62065DSGR

IC REG BUCK ADJ 2A 8WSON

Texas Instruments

6,133
TLV62065DSGR

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.9V Buck 5.5V 0.8V 5.5V 2A 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TPP363083-T6TR

TPP363083-T6TR

IC REG BUCK ADJ 3A TSOT23-6

3PEAK

2,551
TPP363083-T6TR

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.6V 36V 3A 1MHz - Yes - -40°C ~ 125°C (TA) Surface Mount TSOT-23-6
RT6285GSP

RT6285GSP

IC REG BUCK ADJ 5A 8SOP

Richtek USA Inc.

2,347
RT6285GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.5V Buck 30V 1.222V 24V 5A 500kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS62080ADSGR

TPS62080ADSGR

IC REG BUCK ADJ 1.2A 8WSON

Texas Instruments

21,438
TPS62080ADSGR

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 6V 0.5V 4V 1.2A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (2x2)
TPS610997YFFR

TPS610997YFFR

IC REG BOOST 5V 800MA 6DSBGA

Texas Instruments

18,558
TPS610997YFFR

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.7V Boost 5.5V 5V - 800mA (Switch) - - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA
REG71050DDCT

REG71050DDCT

IC REG CHARGE PUMP 5V 60MA SOT23

Texas Instruments

7,610
REG71050DDCT

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 60mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
RT6200GE

RT6200GE

IC REG BUCK ADJ 600MA SOT23-6

Richtek USA Inc.

2,991
RT6200GE

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 15V 600mA 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
REG710NA-5/250

REG710NA-5/250

IC REG CHRG PUMP 5V 30MA SOT23-6

Texas Instruments

921
REG710NA-5/250

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 30mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
TPS628303ADRLR

TPS628303ADRLR

IC REG BUCK ADJ 3A SOT583

Texas Instruments

560
TPS628303ADRLR

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 4.5V 3A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-583
LM3671MF-ADJ/NOPB

LM3671MF-ADJ/NOPB

IC REG BUCK ADJ 600MA SOT23-5

Texas Instruments

14,241
LM3671MF-ADJ/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 1.1V 3.3V 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3671MF-1.8/NOPB

LM3671MF-1.8/NOPB

IC REG BUCK 1.8V 600MA SOT23-5

Texas Instruments

9,888
LM3671MF-1.8/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.8V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3674MF-ADJ/NOPB

LM3674MF-ADJ/NOPB

IC REG BUCK ADJ 600MA SOT23-5

Texas Instruments

9,250
LM3674MF-ADJ/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 1V 3.3V 600mA 2MHz - Yes - -30°C ~ 85°C (TA) Surface Mount SOT-23-5
LMR10530XSD/NOPB

LMR10530XSD/NOPB

IC REG BUCK ADJ 3A 10WSON

Texas Instruments

7,415
LMR10530XSD/NOPB

Datasheet

SIMPLE SWITCHER® 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 3A 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-WSON (3x3)
LM3674MF-1.8/NOPB

LM3674MF-1.8/NOPB

IC REG BUCK 1.8V 600MA SOT23-5

Texas Instruments

3,917
LM3674MF-1.8/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.8V - 600mA 2MHz - Yes - -30°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3671MF-2.5/NOPB

LM3671MF-2.5/NOPB

IC REG BUCK 2.5V 600MA SOT23-5

Texas Instruments

1,400
LM3671MF-2.5/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 2.5V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
KTB8399NEDAA-TR

KTB8399NEDAA-TR

IC REG BUCK PROG 3A 15WLCSP

Kinetic Technologies

890
KTB8399NEDAA-TR

Datasheet

- 15-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.7V Buck 5.5V 0.6V 3.345V 3A 2.4MHz - Yes - -40°C ~ 85°C Surface Mount 15-WLCSP (1.34x2.05)
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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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