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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
MIC2877-AYFT-TR

MIC2877-AYFT-TR

IC REG BOOST ADJ 8FTQFN

Microchip Technology

14,963
MIC2877-AYFT-TR

Datasheet

- 8-UQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 5.5V 2.5V 5.5V - 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-FTQFN (2x2)
TPS62172DSGR

TPS62172DSGR

IC REG BUCK 3.3V 500MA 8WSON

Texas Instruments

10,835
TPS62172DSGR

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 17V 3.3V - 500mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
LMR51420XDDCR

LMR51420XDDCR

IC REG BUCK ADJ 2A SOT23

Texas Instruments

9,587
LMR51420XDDCR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.6V 34.2V 2A 500kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-THIN
TPS62170DSGR

TPS62170DSGR

IC REG BUCK ADJ 500MA 8WSON

Texas Instruments

7,937
TPS62170DSGR

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.9V 6V 500mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TPS62826ADMQR

TPS62826ADMQR

IC REG BUCK ADJ 3A 6VSON

Texas Instruments

6,299
TPS62826ADMQR

Datasheet

- 6-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 4V 3A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-VSON-HR (1.5x1.5)
TPS62901RPJR

TPS62901RPJR

IC REG BUCK ADJ 1A 9VQFN

Texas Instruments

2,771
TPS62901RPJR

Datasheet

- 9-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.4V 5.5V 1A 1MHz, 2.5MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 9-VQFN-HR (1.5x2)
TPS628438YKAR

TPS628438YKAR

IC REG BUCK PROG 600MA 6DSBGA

Texas Instruments

22,238
TPS628438YKAR

Datasheet

- 6-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Programmable 1 1.8V Buck 5.5V 1.8V 3.6V 600mA 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA (1.05x0.70)
TPS62125DSGR

TPS62125DSGR

IC REG BUCK ADJ 300MA 8WSON

Texas Instruments

16,173
TPS62125DSGR

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 1.2V 10V 300mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
RT8268GS

RT8268GS

IC REG BUCK ADJ 2A 8SOP

Richtek USA Inc.

7,490
RT8268GS

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.75V Buck 24V 0.92V 16V 2A 400kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOP
MIC2230-AAYML-TR

MIC2230-AAYML-TR

IC REG BUCK ADJ 800MA DL 12MLF

Microchip Technology

2,650
MIC2230-AAYML-TR

Datasheet

- 12-VFDFN Exposed Pad, 12-MLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.8V 5.5V 800mA 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MLF™ (4x4)
AP3015AKTR-G1

AP3015AKTR-G1

IC REG BOOST ADJ 75MA SOT23-5

Diodes Incorporated

24,390
AP3015AKTR-G1

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1V Boost 12V 1.23V 34V 75mA (Switch) 150kHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TPS54327DDAR

TPS54327DDAR

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

5,608
TPS54327DDAR

Datasheet

D-CAP2™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
TPS62203DBVR

TPS62203DBVR

IC REG BUCK 3.3V 300MA SOT23-5

Texas Instruments

3,085
TPS62203DBVR

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 3.3V - 300mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
AOZ2261AQI-15

AOZ2261AQI-15

IC REG BUCK ADJ 8A 22QFN

Alpha & Omega Semiconductor Inc.

48,878
AOZ2261AQI-15

Datasheet

EZBuck™ 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 28V 0.8V 23.8V 8A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-QFN (4x4)
LMR14010ADDCR

LMR14010ADDCR

IC REG BUCK ADJ 1A SOT23

Texas Instruments

8,776
LMR14010ADDCR

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.765V 40V 1A 550kHz ~ 850kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
TPS565201DDCR

TPS565201DDCR

IC REG BUCK ADJ 5A SOT23

Texas Instruments

5,246
TPS565201DDCR

Datasheet

D-CAP2™, Eco-Mode™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 7V 5A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
TPS565208DDCR

TPS565208DDCR

IC REG BUCK ADJ 5A SOT23

Texas Instruments

4,774
TPS565208DDCR

Datasheet

D-CAP2™, Eco-Mode™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 5A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR51420XFDDCR

LMR51420XFDDCR

IC REG BUCK ADJ 2A SOT23

Texas Instruments

4,333
LMR51420XFDDCR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.6V 34.2V 2A 500kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-THIN
AP62600SJ-7

AP62600SJ-7

IC REG BUCK ADJ 6A 12QFN

Diodes Incorporated

22,009
AP62600SJ-7

Datasheet

- 12-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 7V 6A 400kHz, 800kHz, 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount V-QFN2030-12 (Type A)
MCP1661T-E/OT

MCP1661T-E/OT

IC REG BOOST ADJ 200MA SOT23-5

Microchip Technology

7,252
MCP1661T-E/OT

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.4V Boost 5.5V 2.4V 32V 200mA 500kHz - No - -40°C ~ 125°C (TA) Surface Mount SOT-23-5
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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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