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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
LM2833XSD/NOPB

LM2833XSD/NOPB

IC REG BUCK ADJ 3A 10SON

Texas Instruments

1,102
LM2833XSD/NOPB

Datasheet

- 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-SON (3x3)
TPS62110QRSARQ1

TPS62110QRSARQ1

IC REG BUCK ADJ 1.5A 16QFN

Texas Instruments

5,605
TPS62110QRSARQ1

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.1V Buck 17V 1.153V 16V 1.5A 1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-QFN (4x4)
TPS54383PWPR

TPS54383PWPR

IC REG BUCK ADJ 3A DL 14HTSSOP

Texas Instruments

3,610
TPS54383PWPR

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) 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
LMR33620CQ3RNXTQ1

LMR33620CQ3RNXTQ1

IC REG BUCK 3.3V 2A 12VQFN

Texas Instruments

2,219
LMR33620CQ3RNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.8V Buck 36V 3.3V - 2A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LM2735YQMF/NOPB

LM2735YQMF/NOPB

IC REG BOOST FLYBACK ADJ SOT23-5

Texas Instruments

1,597
LM2735YQMF/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.7V Boost, Flyback, SEPIC 5.5V 3V 24V 2.1A (Switch) 520kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
LMR33630ARNXT

LMR33630ARNXT

IC REG BUCK ADJ 3A 12VQFN

Texas Instruments

638
LMR33630ARNXT

Datasheet

SIMPLE SWITCHER® 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LMR33620BQRNXTQ1

LMR33620BQRNXTQ1

IC REG BUCK ADJ 2A 12VQFN

Texas Instruments

618
LMR33620BQRNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 2A 1.4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LMR33620CQRNXTQ1

LMR33620CQRNXTQ1

IC REG BUCK ADJ 2A 12VQFN

Texas Instruments

500
LMR33620CQRNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 2A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LMR33630CRNXT

LMR33630CRNXT

IC REG BUCK ADJ 3A 12VQFN

Texas Instruments

388
LMR33630CRNXT

Datasheet

SIMPLE SWITCHER® 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 2.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LMR33620CQ5RNXTQ1

LMR33620CQ5RNXTQ1

IC REG BUCK 5V 2A 12VQFN

Texas Instruments

335
LMR33620CQ5RNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.8V Buck 36V 5V - 2A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
MP2183GTL-P

MP2183GTL-P

IC REG BUCK ADJ 3A SOT583

Monolithic Power Systems Inc.

3,171
MP2183GTL-P

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 3A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-583
TPS54519RTET

TPS54519RTET

IC REG BUCK ADJ 5A 16WQFN

Texas Instruments

1,306
TPS54519RTET

Datasheet

SWIFT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 6V 0.6V 4.5V 5A 200kHz ~ 2MHz - Yes - -40°C ~ 140°C (TJ) Surface Mount 16-WQFN (3x3)
TPS62086RLTT

TPS62086RLTT

IC REG BUCK 3.3V 3A 7VSON

Texas Instruments

907
TPS62086RLTT

Datasheet

DCS-Control™ 7-VFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 3.3V - 3A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 7-VSON-HR (2x2)
TPS542951PWP

TPS542951PWP

IC REG BCK ADJ 2A/3A DL 16HTSSOP

Texas Instruments

580
TPS542951PWP

Datasheet

D-CAP2™, Eco-Mode™ 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 2A, 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
NCP3063BMNTXG

NCP3063BMNTXG

IC REG BUCK BOOST ADJ 1.5A 8DFN

onsemi

15,675
NCP3063BMNTXG

Datasheet

- 8-VDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 40V (Switch) 1.5A (Switch) 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (4x4)
L5983TR

L5983TR

IC REG BUCK ADJ 1.5A 8VFQFPN

STMicroelectronics

4,037
L5983TR

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.9V Buck 18V 0.6V 18V 1.5A 250kHz ~ 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-VFQFPN (3x3)
ISL85003AFRZ

ISL85003AFRZ

IC REG BUCK ADJ 3A 12DFN

Renesas Electronics Corporation

4,666
ISL85003AFRZ

Datasheet

- 12-VFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.8V 18V 3A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-DFN (4x3)
TPS57040QDRCRQ1

TPS57040QDRCRQ1

IC REG BUCK ADJ 500MA 10VSON

Texas Instruments

3,669
TPS57040QDRCRQ1

Datasheet

Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 42V 0.8V 39V 500mA 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
A7986ATR

A7986ATR

IC REG BUCK ADJ 3A 8HSOP

STMicroelectronics

1,893
A7986ATR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 38V 0.6V 38V 3A 250kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-HSOP-EP
BD9326EFJ-E2

BD9326EFJ-E2

IC REG BUCK ADJ 3A 8HTSOP-J

Rohm Semiconductor

1,866
BD9326EFJ-E2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.75V Buck 18V 0.9V 16.2V 3A 380kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-HTSOP-J
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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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