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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
LM2595T-ADJ/NOPB

LM2595T-ADJ/NOPB

IC REG BUCK ADJ 1A TO220-5

Texas Instruments

1,289
LM2595T-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.2V 37V 1A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
TPS51363RVET

TPS51363RVET

IC REG BUCK ADJ 10A/8A 28VQFN

Texas Instruments

267
TPS51363RVET

Datasheet

D-CAP2™ 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 3V Buck 22V 0.6V (1.05V, 1.2V, 1.35V, 1.5V) 2V 10A, 8A 400kHz, 800kHz - Yes - -10°C ~ 85°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
LM2595T-12/NOPB

LM2595T-12/NOPB

IC REG BUCK 12V 1A TO220-5

Texas Instruments

537
LM2595T-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 12V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM26420XMH/NOPB

LM26420XMH/NOPB

IC REG BUCK ADJ 2A DL 20HTSSOP

Texas Instruments

338
LM26420XMH/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 2 3V Buck 5.5V 0.8V 4.5V 2A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM2595T-3.3/NOPB

LM2595T-3.3/NOPB

IC REG BUCK 3.3V 1A TO220-5

Texas Instruments

318
LM2595T-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
MP5403BGQBU-Z

MP5403BGQBU-Z

IC REG BUCK ADJ/0.6V DL 20UTQFN

Monolithic Power Systems Inc.

7,795
MP5403BGQBU-Z

Datasheet

- 20-UFQFN Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable (Fixed) 2 2.7V Buck 6V 0.6V 6V 3.5A, 2.5A 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-UTQFN (2.5x3)
MP1591DN-LF-Z

MP1591DN-LF-Z

IC REG BUCK ADJ 2A 8SOICE

Monolithic Power Systems Inc.

1,297
MP1591DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 32V 1.23V 21V 2A 330kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOICE
LM22675QMRE-5.0/NOPB

LM22675QMRE-5.0/NOPB

IC REG BUCK 5V 1A 8SOPWR

Texas Instruments

625
LM22675QMRE-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 1A 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM22675QMR-5.0/NOPB

LM22675QMR-5.0/NOPB

IC REG BUCK 5V 1A 8SOPWR

Texas Instruments

208
LM22675QMR-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 1A 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
ADP5302ACPZ-1-R7

ADP5302ACPZ-1-R7

IC REG BUCK PROG 10LFCSP

Analog Devices Inc.

10,475
ADP5302ACPZ-1-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 6.5V 0.8V 5V 50mA, 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-LFCSP-WD (3x3)
ADP5303ACBZ-2-R7

ADP5303ACBZ-2-R7

IC REG BCK PRG 50MA/500MA 9WLCSP

Analog Devices Inc.

7,268
ADP5303ACBZ-2-R7

Datasheet

- 9-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 6.5V 0.8V 5V 50mA, 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-WLCSP (1.87x1.65)
MP2316GD-P

MP2316GD-P

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

5,794
MP2316GD-P

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 19V 0.6V 19V 3A - - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (2x3)
MP3430GQ-Z

MP3430GQ-Z

IC REG BOOST ADJ 600MA 16QFN

Monolithic Power Systems Inc.

3,896
MP3430GQ-Z

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.7V Boost 5.5V 2.7V 90V 600mA (Switch) 1.3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
ADP5301ACBZ-4-R7

ADP5301ACBZ-4-R7

IC REG BUCK PROG 50MA 9WLCSP

Analog Devices Inc.

2,936
ADP5301ACBZ-4-R7

Datasheet

- 9-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 6.5V 0.8V 5V 50mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-WLCSP (1.87x1.65)
MAX17631CATE+

MAX17631CATE+

IC REG BUCK ADJ 1.5A 16TQFN

Analog Devices Inc./Maxim Integrated

1,632
MAX17631CATE+

Datasheet

- 16-WFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.9V 32.4V 1.5A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 16-TQFN (3x3)
ADP5302ACPZ-2-R7

ADP5302ACPZ-2-R7

IC REG BUCK PROG 10LFCSP

Analog Devices Inc.

1,555
ADP5302ACPZ-2-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 6.5V 0.8V 5V 50mA, 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-LFCSP-WD (3x3)
LM2575S-12/NOPB

LM2575S-12/NOPB

IC REG BUCK 12V 1A TO263

Texas Instruments

755
LM2575S-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 40V 12V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2575S-15/NOPB

LM2575S-15/NOPB

IC REG BUCK 15V 1A TO263

Texas Instruments

200
LM2575S-15/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 40V 15V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2853MHX-3.3/NOPB

LM2853MHX-3.3/NOPB

IC REG BUCK 3.3V 3A 14HTSSOP

Texas Instruments

2,537
LM2853MHX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 5.5V 3.3V - 3A 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
MPQ4420GJ-AEC1-Z

MPQ4420GJ-AEC1-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

8,029
MPQ4420GJ-AEC1-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 2A 410kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
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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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