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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
L6983CQTR

L6983CQTR

IC REG BUCK ADJ 3A 16QFN

STMicroelectronics

425
L6983CQTR

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 38V 0.85V 38V 3A 200kHz ~ 2.2MHz - Yes - - Surface Mount 16-QFN (3x3)
L6983N50QTR

L6983N50QTR

IC REG BUCK 5V 3A 16QFN

STMicroelectronics

292
L6983N50QTR

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 38V 5V - 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-QFN (3x3)
LM5008SDCX/NOPB

LM5008SDCX/NOPB

IC REG BUCK ADJ 350MA 8WSON

Texas Instruments

3,976
LM5008SDCX/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)
RT8072GQW

RT8072GQW

IC REG BUCK ADJ 5A 12WDFN

Richtek USA Inc.

11,783
RT8072GQW

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 2.9V Buck 5.5V 0.8V 3.3V 5A 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-WDFN (3x3)
A5970D013TR

A5970D013TR

IC REG BUCK ADJ 1A 8SOIC

STMicroelectronics

5,544
A5970D013TR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1.235V 36V 1A 250kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
RT7231GQW

RT7231GQW

IC REG BUCK ADJ 4A 10WDFN

Richtek USA Inc.

4,271
RT7231GQW

Datasheet

ACOT™ 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.765V 8V 4A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WDFN (3x3)
A6986F3V3TR

A6986F3V3TR

IC REG BUCK 3.3V 1.5A 16HTSSOP

STMicroelectronics

3,365
A6986F3V3TR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 38V 3.3V - 1.5A 250kHz ~ 2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 16-HTSSOP
LM25018MRE/NOPB

LM25018MRE/NOPB

IC REG BUCK ADJ 325MA 8SOPWR

Texas Instruments

2,104
LM25018MRE/NOPB

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 48V 1.225V 40V 325mA Up to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LMR34215FSC5RNXTQ1

LMR34215FSC5RNXTQ1

IC REG BUCK 5V 1.5A 12VQFN

Texas Instruments

368
LMR34215FSC5RNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.2V Buck 42V 5V - 1.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
RT8073GSP

RT8073GSP

IC REG BUCK ADJ 6A 8SOP

Richtek USA Inc.

9,517
RT8073GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 2.9V Buck 5.5V 0.8V 3.3V 6A 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
BU90002GWZ-E2

BU90002GWZ-E2

IC REG BUCK 3.3V 1A 6WLCSP

Rohm Semiconductor

3,870
BU90002GWZ-E2

Datasheet

- 6-XFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 5.5V 3.3V - 1A 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP
BD9870FPS-E2

BD9870FPS-E2

IC REG BUCK ADJ 1.5A TO252S-5

Rohm Semiconductor

3,704
BD9870FPS-E2

Datasheet

- TO-252-5, DPAK (4 Leads + Tab), TO-252AD Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 35V 1V 35V 1.5A 900kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-252S-5
LM2833ZMY/NOPB

LM2833ZMY/NOPB

IC REG BUCK ADJ 3A 10MSOP

Texas Instruments

770
LM2833ZMY/NOPB

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 3A 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-PowerPad
MAX8969EWL50+T

MAX8969EWL50+T

IC REG BOOST 5V 700MA 9WLP

Analog Devices Inc./Maxim Integrated

4,724
MAX8969EWL50+T

Datasheet

- 9-WFBGA, WLBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.5V Boost 5.5V 5V - 700mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-WLP (1.26x1.26)
LM26001MXA/NOPB

LM26001MXA/NOPB

IC REG BUCK ADJ 1.5A 16HTSSOP

Texas Instruments

1,148
LM26001MXA/NOPB

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 3V Buck 38V 1.234V 35V 1.5A 150kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM2840XQMK/NOPB

LM2840XQMK/NOPB

IC REG BUCK ADJ 100MA TSOT23-6

Texas Instruments

700
LM2840XQMK/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 550kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
TPS60204DGS

TPS60204DGS

IC REG CHARGE PUMP 3.3V 10VSSOP

Texas Instruments

480
TPS60204DGS

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Active Step-Up Positive Fixed 1 1.6V Charge Pump 3.6V 3.3V - 100mA 300kHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-VSSOP
TPS54386PWP

TPS54386PWP

IC REG BUCK ADJ 3A DL 14HTSSOP

Texas Instruments

296
TPS54386PWP

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 2 4.5V Buck 28V 0.8V 25.2V 3A 630kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
TS30041-M033QFNR

TS30041-M033QFNR

IC REG BUCK 3.3V 1A 16QFN

Semtech Corporation

8,566
TS30041-M033QFNR

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 1A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
MAX77801EWP+T

MAX77801EWP+T

IC REG BUCK BOOST PROG 2A 20WLP

Analog Devices Inc./Maxim Integrated

2,316
MAX77801EWP+T

Datasheet

- 20-WFBGA, WLBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Programmable 1 2.3V Buck-Boost 5.5V 2.6V 4.19V 2A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-WLP (1.83x2.13)
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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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