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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
TPS563219DDFT

TPS563219DDFT

IC REG BUCK ADJ 3A TSOT23-8

Texas Instruments

535
TPS563219DDFT

Datasheet

D-CAP2™ SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 3A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-8
MAX17624ATA+

MAX17624ATA+

IC REG BUCK ADJ 1A 8TDFN

Analog Devices Inc./Maxim Integrated

187
MAX17624ATA+

Datasheet

Himalaya 8-WFDFN Exposed Pad Strip Active Step-Down Positive Adjustable 1 2.9V Buck 5.5V 0.8V 3.3V 1A 4MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 8-TDFN-EP (2x2)
LMR12010XMKX/NOPB

LMR12010XMKX/NOPB

IC REG BUCK ADJ 1A SOT23

Texas Instruments

2,930
LMR12010XMKX/NOPB

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 0.8V 17V 1A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
TL2575-12IKTTR

TL2575-12IKTTR

IC REG BUCK 12V 1A TO263

Texas Instruments

290
TL2575-12IKTTR

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.75V Buck 40V 12V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LMR14020SQDDAQ1

LMR14020SQDDAQ1

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

724
LMR14020SQDDAQ1

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 2A 200kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TL2575-05IKTTRG3

TL2575-05IKTTRG3

IC REG BUCK 5V 1A TO263

Texas Instruments

504
TL2575-05IKTTRG3

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.75V Buck 40V 5V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
TPS54326PWP

TPS54326PWP

IC REG BUCK ADJ 3A 14HTSSOP

Texas Instruments

1,377
TPS54326PWP

Datasheet

D-CAP2™, Eco-Mode™ 14-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Step-Down Positive Adjustable 1 2V Buck 18V 0.76V 5.5V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
RP550K001A-TR

RP550K001A-TR

IC REG BUCK ADJ 1A DL 12DFN

Nisshinbo Micro Devices Inc.

26,042
RP550K001A-TR

Datasheet

RP550x 12-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.3V Buck 5.5V 0.6V 3.3V 1A 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount DFN(PL)2730-12
TPS54326RGTT

TPS54326RGTT

IC REG BUCK ADJ 3A 16VQFN

Texas Instruments

9,481
TPS54326RGTT

Datasheet

D-CAP2™, Eco-Mode™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 18V 0.76V 5.5V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-VQFN (3x3)
LM25019SD/NOPB

LM25019SD/NOPB

IC REG BUCK ADJ 100MA 8WSON

Texas Instruments

2,868
LM25019SD/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 48V 1.225V 40V 100mA Up to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
LM25019SDE/NOPB

LM25019SDE/NOPB

IC REG BUCK ADJ 100MA 8WSON

Texas Instruments

300
LM25019SDE/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 48V 1.225V 40V 100mA Up to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
TPS54336ADRCR

TPS54336ADRCR

IC REG BUCK ADJ 3A 10VSON

Texas Instruments

7,738
TPS54336ADRCR

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)
TPS54040ADRCR

TPS54040ADRCR

IC REG BUCK ADJ 500MA 10VSON

Texas Instruments

2,911
TPS54040ADRCR

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 - No - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM25018MR/NOPB

LM25018MR/NOPB

IC REG BUCK ADJ 325MA 8SOPWR

Texas Instruments

2,172
LM25018MR/NOPB

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tube 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
MAX17645BATA+

MAX17645BATA+

IC REG BUCK ADJ 1A 8TDFN

Analog Devices Inc./Maxim Integrated

178
MAX17645BATA+

Datasheet

- 8-WFDFN Strip Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.9V 32.04V 1A 650kHz - Yes - -40°C ~ 125°C (TA) Surface Mount 8-TDFN (2x2)
TPS61086DRCT

TPS61086DRCT

IC REG BOOST ADJ 2A 10VSON

Texas Instruments

111
TPS61086DRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 6V 2.8V 18.5V 2A (Switch) 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
L6928D013TR

L6928D013TR

IC REG BUCK ADJ 800MA 8MSOP

STMicroelectronics

9,733
L6928D013TR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 5.5V 0.6V 5.5V 800mA 1.4MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-MSOP
RT8008-33GB

RT8008-33GB

IC REG BUCK 3.3V 600MA SOT23-5

Richtek USA Inc.

2,462
RT8008-33GB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 3.3V - 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
MP1470GJ-Z

MP1470GJ-Z

IC REG BUCK ADJ 2A TSOT23-6

Monolithic Power Systems Inc.

1,929
MP1470GJ-Z

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.7V Buck 16V 0.8V 14.4V 2A 490kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
L6984TR

L6984TR

IC REG BUCK ADJ/3.3V 10VFDFPN

STMicroelectronics

1,815
L6984TR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 4.5V Buck 36V 0.9V (3.3V) 28V 400mA 250kHz ~ 600kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VFDFPN (4x4)
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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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