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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
MP1494DJ-LF-Z

MP1494DJ-LF-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

4,459
MP1494DJ-LF-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 16V 0.8V 13V 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
MP1496DJ-LF-Z

MP1496DJ-LF-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

2,890
MP1496DJ-LF-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 16V 0.8V 13V 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
TPS54336ADRCT

TPS54336ADRCT

IC REG BUCK ADJ 3A 10VSON

Texas Instruments

1,099
TPS54336ADRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 0.8V 24V 3A 340kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
BM2P054

BM2P054

IC REG FLYBACK 600MA 7DIP

Rohm Semiconductor

907
BM2P054

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 8.9V Flyback 26V - - 600mA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIP
L6983N33QTR

L6983N33QTR

IC REG BUCK 3.3V 3A 16QFN

STMicroelectronics

2,719
L6983N33QTR

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 38V 3.3V - 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-QFN (3x3)
L6983C50QTR

L6983C50QTR

IC REG BUCK 5V 3A 16QFN

STMicroelectronics

2,405
L6983C50QTR

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)
TPS65283-1RGET

TPS65283-1RGET

IC REG BUCK ADJ DL 24VQFN

Texas Instruments

480
TPS65283-1RGET

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.6V 9V 3.5A, 2.5A 200kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-VQFN (4x4)
TPS65283RGET

TPS65283RGET

IC REG BUCK ADJ DL 24VQFN

Texas Instruments

458
TPS65283RGET

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.6V 9V 3.5A, 2.5A 200kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-VQFN (4x4)
L6983C33QTR

L6983C33QTR

IC REG BUCK 3.3V 3A 16QFN

STMicroelectronics

410
L6983C33QTR

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 38V 3.3V - 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-QFN (3x3)
RT6266GSP

RT6266GSP

IC REG BUCK ADJ 2.4A 8SOP

Richtek USA Inc.

2,320
RT6266GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 36V 0.8V 36V 2.4A 100kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS54521RHLT

TPS54521RHLT

IC REG BUCK ADJ 5A 14VQFN

Texas Instruments

356
TPS54521RHLT

Datasheet

- 14-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.8V 15V 5A 200kHz ~ 900kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-VQFN (3.5x3.5)
A6986TR

A6986TR

IC REG BUCK ADJ 2A 16HTSSOP

STMicroelectronics

300
A6986TR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 38V 0.85V 38V 2A 225kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 16-HTSSOP
LM34923MM/NOPB

LM34923MM/NOPB

IC REG BUCK ADJ 600MA 10VSSOP

Texas Instruments

1,993
LM34923MM/NOPB

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 75V 2.5V 75V 600mA - - No - -40°C ~ 125°C (TJ) Surface Mount 10-VSSOP
MP3209DJ-LF-P

MP3209DJ-LF-P

IC REG BOOST ADJ 350MA TSOT23-5

Monolithic Power Systems Inc.

1,315
MP3209DJ-LF-P

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
LM25018SD/NOPB

LM25018SD/NOPB

IC REG BUCK ADJ 325MA 8WSON

Texas Instruments

923
LM25018SD/NOPB

Datasheet

- 8-WDFN Exposed Pad 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-WSON (4x4)
LMR34215FAQRNXTQ1

LMR34215FAQRNXTQ1

IC REG BUCK ADJ 1.5A 12VQFN

Texas Instruments

335
LMR34215FAQRNXTQ1

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)
LM25018SDE/NOPB

LM25018SDE/NOPB

IC REG BUCK ADJ 325MA 8WSON

Texas Instruments

135
LM25018SDE/NOPB

Datasheet

- 8-WDFN Exposed Pad 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-WSON (4x4)
BU90006GWZ-E2

BU90006GWZ-E2

IC REG BUCK 3V 1A 6WLCSP

Rohm Semiconductor

448
BU90006GWZ-E2

Datasheet

- 6-XFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3V - 1A 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP
TPS54383PWP

TPS54383PWP

IC REG BUCK ADJ 3A DL 14HTSSOP

Texas Instruments

847
TPS54383PWP

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Step-Down Positive Adjustable 2 4.5V Buck 28V 0.8V 25.2V 3A 310kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
MIC26600YJL-TR

MIC26600YJL-TR

IC REG BUCK ADJ 7A 28QFN

Microchip Technology

486
MIC26600YJL-TR

Datasheet

Hyper Speed Control®, SuperSwitcher II™ 28-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 26V 0.8V 5.5V 7A 300kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (5x6)
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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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