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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
TPS62260DDCT

TPS62260DDCT

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

1,425
TPS62260DDCT

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 6V 0.6V 6V 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
TPS62300DRCR

TPS62300DRCR

IC REG BUCK ADJ 500MA 10VSON

Texas Instruments

4,317
TPS62300DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.6V 5.4V 500mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
ST1S03PUR

ST1S03PUR

IC REG BUCK ADJ 1.5A 6DFN

STMicroelectronics

39,551
ST1S03PUR

Datasheet

- 6-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 16V 0.8V 13.92V 1.5A 1.5MHz - No - 0°C ~ 125°C (TJ) Surface Mount 6-DFN (3x3)
LM2775QDSGRQ1

LM2775QDSGRQ1

IC REG CHARG PUMP 5V 200MA 8WSON

Texas Instruments

11,854
LM2775QDSGRQ1

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 200mA 2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-WSON (2x2)
TPS54331DR

TPS54331DR

IC REG BUCK ADJ 3A 8SOIC

Texas Instruments

3,744
TPS54331DR

Datasheet

Eco-Mode™ 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 28V 0.8V 25V 3A 570kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
TPS62150AQRGTRQ1

TPS62150AQRGTRQ1

IC REG BUCK ADJ 1A 16VQFN

Texas Instruments

1,067
TPS62150AQRGTRQ1

Datasheet

DCS-Control™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.9V 6V 1A 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-VQFN (3x3)
MAX660M/NOPB

MAX660M/NOPB

IC REG CHRG PUMP INV 100MA 8SOIC

Texas Instruments

29,723
MAX660M/NOPB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 5.5V -Vin, 2Vin - 100mA 10kHz, 80kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
RT7279GQW

RT7279GQW

IC REG BUCK ADJ 2A 10WDFN

Richtek USA Inc.

25,413
RT7279GQW

Datasheet

ACOT™ 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.765V 8V 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WDFN (3x3)
RT8020GQW

RT8020GQW

IC REG BUCK ADJ 1A DL 12WDFN

Richtek USA Inc.

5,829
RT8020GQW

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-WDFN (3x3)
RT8293AHZSP

RT8293AHZSP

IC REG BUCK ADJ 3A 8SOP

Richtek USA Inc.

2,834
RT8293AHZSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.8V 20V 3A 340kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS54325PWPR

TPS54325PWPR

IC REG BUCK ADJ 3A 14HTSSOP

Texas Instruments

18,322
TPS54325PWPR

Datasheet

D-CAP2™ 14-PowerTSSOP (0.173", 4.40mm Width) 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 14-HTSSOP
TPS61288LRQQR

TPS61288LRQQR

IC REG BOOST ADJ 11VQFN

Texas Instruments

10,239
TPS61288LRQQR

Datasheet

- 11-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2V Boost 18V 4.5V 18V - 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 11-VQFN-HR (2.5x3)
LM2830XMFX/NOPB

LM2830XMFX/NOPB

IC REG BUCK ADJ 1A SOT23-5

Texas Instruments

6,724
LM2830XMFX/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
ST1S31PUR

ST1S31PUR

IC REG BUCK ADJ 3A 8QFN

STMicroelectronics

5,991
ST1S31PUR

Datasheet

- 8-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.8V Buck 5.5V 0.8V 5.5V 3A 1.5MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-QFN (3x3)
LM2775DSGT

LM2775DSGT

IC REG CHARG PUMP 5V 200MA 8WSON

Texas Instruments

5,868
LM2775DSGT

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 200mA 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TPS62173DSGT

TPS62173DSGT

IC REG BUCK 5V 500MA 8WSON

Texas Instruments

2,715
TPS62173DSGT

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 17V 5V - 500mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TPS62170DSGT

TPS62170DSGT

IC REG BUCK ADJ 500MA 8WSON

Texas Instruments

2,199
TPS62170DSGT

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)
TS30042-M033QFNR

TS30042-M033QFNR

IC REG BUCK 3.3V 2A 16QFN

Semtech Corporation

11,387
TS30042-M033QFNR

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
TPS5405DR

TPS5405DR

IC REG BUCK 5V 2A 8SOIC

Texas Instruments

3,986
TPS5405DR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 6.5V Buck 28V 5V - 2A 50kHz ~ 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
TPS5403DR

TPS5403DR

IC REG BUCK 3.3V 1.7A 8SOIC

Texas Instruments

2,759
TPS5403DR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 28V 3.3V - 1.7A 50kHz ~ 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
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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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