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
ST1S10PHR

ST1S10PHR

IC REG BUCK ADJ 3A POWERSO-8

STMicroelectronics

28,048
ST1S10PHR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 18V 0.8V 16.2V 3A 900kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount PowerSO-8
MP2456GJ-Z

MP2456GJ-Z

IC REG BUCK ADJ 500MA TSOT23-6

Monolithic Power Systems Inc.

12,987
MP2456GJ-Z

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 50V 0.81V 45V 500mA 1.2MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
TPS62040DGQR

TPS62040DGQR

IC REG BUCK ADJ 1.2A 10HVSSOP

Texas Instruments

5,952
TPS62040DGQR

Datasheet

- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.7V 6V 1.2A 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-HVSSOP
TPS62040DRCR

TPS62040DRCR

IC REG BUCK ADJ 1.2A 10VSON

Texas Instruments

3,039
TPS62040DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.7V 6V 1.2A 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
MP2459GJ-Z

MP2459GJ-Z

IC REG BUCK ADJ 500MA TSOT23-6

Monolithic Power Systems Inc.

1,487
MP2459GJ-Z

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 55V 0.81V 52.25V 500mA 480kHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LMR14006XDDCR

LMR14006XDDCR

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

7,555
LMR14006XDDCR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.765V 38.4V 600mA 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR43610R3RPER

LMR43610R3RPER

IC REG BUCK ADJ/3.3V 1A 9VQFN

Texas Instruments

2,733
LMR43610R3RPER

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 3V Buck 36V 1V (3.3V) 34.2V 1A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 9-VQFN-HR (2x2)
LMR14203XMKX/NOPB

LMR14203XMKX/NOPB

IC REG BUCK ADJ 300MA SOT23

Texas Instruments

703
LMR14203XMKX/NOPB

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 300mA 1.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
ST1S40IPHR

ST1S40IPHR

IC REG BUCK ADJ 3A 8HSOP

STMicroelectronics

29,781
ST1S40IPHR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.8V 18V 3A 850kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-HSOP
MP28200GG-Z

MP28200GG-Z

IC REG BUCK ADJ 200MA 12QFN

Monolithic Power Systems Inc.

5,744
MP28200GG-Z

Datasheet

- 12-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 5.5V 0.8V 3.3V 200mA 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-QFN (2x2)
TPS54061DRBR

TPS54061DRBR

IC REG BUCK ADJ 200MA 8SON

Texas Instruments

9,070
TPS54061DRBR

Datasheet

- 8-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.7V Buck 60V 0.8V 58V 200mA 50kHz ~ 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SON (3x3)
SIP12108DMP-T1GE4

SIP12108DMP-T1GE4

IC REG BUCK ADJ 5A 16MLP

Vishay Siliconix

5,000
SIP12108DMP-T1GE4

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.8V Buck 5.5V 0.6V 4.68V 5A 200kHz ~ 4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-MLP (3x3)
NCP3063BDR2G

NCP3063BDR2G

IC REG BUCK BOOST ADJ 1.5A 8SOIC

onsemi

15,787
NCP3063BDR2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) 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-SOIC
MIC23250-AAYMT-TR

MIC23250-AAYMT-TR

IC REG BUCK ADJ 400MA DL 12TMLF

Microchip Technology

7,973
MIC23250-AAYMT-TR

Datasheet

HyperLight Load® 12-UFDFN Exposed Pad, 12-TMLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.7V Buck 5.5V 0.72V 4.73V 400mA 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-TMLF® (2.5x2.5)
LM2621MMX/NOPB

LM2621MMX/NOPB

IC REG BST SEPIC ADJ 8VSSOP

Texas Instruments

3,424
LM2621MMX/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1.2V Boost, SEPIC 14V 1.24V 14V 2.85A (Switch) 300kHz ~ 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-VSSOP
ST1S40IPUR

ST1S40IPUR

IC REG BUCK ADJ 3A 8VFQFPN

STMicroelectronics

15,368
ST1S40IPUR

Datasheet

- 8-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.8V 18V 3A 850kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-VFQFPN (4x4)
ST1S10PUR

ST1S10PUR

IC REG BUCK ADJ 3A 8DFN

STMicroelectronics

25,634
ST1S10PUR

Datasheet

- 8-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 18V 0.8V 16.2V 3A 900kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (4x4)
NCP3063DR2G

NCP3063DR2G

IC REG BUCK BOOST ADJ 1.5A 8SOIC

onsemi

7,745
NCP3063DR2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) 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 - 0°C ~ 70°C (TJ) Surface Mount 8-SOIC
TPS63700DRCR

TPS63700DRCR

IC REG BUCK BST ADJ 360MA 10VSON

Texas Instruments

10,327
TPS63700DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Negative Adjustable 1 2.7V Buck-Boost 5.5V -2V -15V 360mA 1.38MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
TPS63900DSKR

TPS63900DSKR

IC REG BUCK BST PROG 400MA 10SON

Texas Instruments

16,344
TPS63900DSKR

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Programmable 1 1.8V Buck-Boost 5.5V 1.8V 5V 400mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-SON (2.5x2.5)
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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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