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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
MC34063ABN

MC34063ABN

IC REG BUCK BOOST ADJ 1.5A 8DIP

STMicroelectronics

5,482
MC34063ABN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 38V 1.5A (Switch) 33kHz - No - -40°C ~ 85°C (TA) Through Hole 8-DIP
TPS622311DRYR

TPS622311DRYR

IC REG BUCK 1.1V 500MA 6SON

Texas Instruments

2,094
TPS622311DRYR

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.05V Buck 6V 1.1V - 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-SON (1.45x1)
TPS613222ADBVT

TPS613222ADBVT

IC REG BOOST 5V 2.5A SOT23-5

Texas Instruments

73,290
TPS613222ADBVT

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.9V Boost 5.5V 5V - 2.5A (Switch) 500kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
TPS613221ADBVT

TPS613221ADBVT

IC REG BOOST 3.3V 1.6A SOT23-5

Texas Instruments

42,854
TPS613221ADBVT

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.9V Boost 5.5V 3.3V - 1.6A (Switch) 500kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
AOZ2253TQI-20

AOZ2253TQI-20

IC REG BUCK ADJ 8A 22QFN

Alpha & Omega Semiconductor Inc.

35,092
AOZ2253TQI-20

Datasheet

EZBuck™ 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 14V Buck 28V 0.8V 23.8V 8A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-QFN (4x4)
MC34063ACN

MC34063ACN

IC REG BUCK BOOST ADJ 1.5A 8DIP

STMicroelectronics

1,461
MC34063ACN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 38V 1.5A (Switch) 33kHz - No - 0°C ~ 70°C (TA) Through Hole 8-DIP
LM828M5/NOPB

LM828M5/NOPB

IC REG CHARGE PUMP INV SOT23-5

Texas Instruments

1,214
LM828M5/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.8V Charge Pump 5.5V -Vin, 2Vin - 25mA 12kHz - No - -40°C ~ 85°C (TJ) Surface Mount SOT-23-5
AOZ2254EQI-30

AOZ2254EQI-30

IC REG BUCK ADJ 10A 22QFN

Alpha & Omega Semiconductor Inc.

49,529
AOZ2254EQI-30

Datasheet

EZBuck™ 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 28V 0.8V 23.8V 10A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-QFN (4x4)
TLV61225DCKR

TLV61225DCKR

IC REG BOOST 3.3V 160MA SC70-6

Texas Instruments

24,248
TLV61225DCKR

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.7V Boost 3.3V 3.3V - 160mA (Switch) - - Yes - -40°C ~ 85°C (TA) Surface Mount SC-70-6
MIC23030-AYMT-TR

MIC23030-AYMT-TR

IC REG BUCK ADJ 400MA 6TMLF

Microchip Technology

14,720
MIC23030-AYMT-TR

Datasheet

HyperLight Load® 6-UFDFN Exposed Pad, 6-TMLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.7V 3.6V 400mA 8MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-TMLF® (1.6x1.6)
TLV61224DCKR

TLV61224DCKR

IC REG BOOST 3V 160MA SC70-6

Texas Instruments

2,367
TLV61224DCKR

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.7V Boost 3V 3V - 160mA (Switch) - - Yes - -40°C ~ 85°C (TA) Surface Mount SC-70-6
TPS51385RJNR

TPS51385RJNR

IC REG BUCK ADJ 7A 12VQFN

Texas Instruments

1,748
TPS51385RJNR

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.6V 5.5V 7A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-VQFN-HR (3x2)
AP3012KTR-E1

AP3012KTR-E1

IC REG BOOST ADJ 500MA SOT23-5

Diodes Incorporated

46,232
AP3012KTR-E1

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.6V Boost 16V 1.25V 29V 500mA (Switch) 1.5MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
MIC2251-1YD5-TR

MIC2251-1YD5-TR

IC REG BOOST ADJ 900MA TSOT23-5

Microchip Technology

9,261
MIC2251-1YD5-TR

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 5.5V 1.24V 37V 900mA (Switch) Up to 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
TL7660CDR

TL7660CDR

IC REG CHARGE PUMP INV 8SOIC

Texas Instruments

4,369
TL7660CDR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, 2Vin - - 10kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MIC2251-2YD5-TR

MIC2251-2YD5-TR

IC REG BOOST ADJ 900MA TSOT23-5

Microchip Technology

2,545
MIC2251-2YD5-TR

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 5.5V 1.24V 37V 900mA (Switch) Up to 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
XC9265A331MR-G

XC9265A331MR-G

IC REG BUCK 3.3V 200MA SOT25-5

Torex Semiconductor Ltd

10,537
XC9265A331MR-G

Datasheet

XC9265 SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 6V 3.3V - 200mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-25-5
ST1S12G12R

ST1S12G12R

IC REG BUCK 1.2V 700MA TSOT23-5

STMicroelectronics

6,614
ST1S12G12R

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.2V - 700mA 1.7MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
TPS62560DRVR

TPS62560DRVR

IC REG BUCK ADJ 600MA 6WSON

Texas Instruments

6,417
TPS62560DRVR

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.85V 5.5V 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
ST1S12GR

ST1S12GR

IC REG BUCK ADJ 700MA TSOT23-5

STMicroelectronics

5,862
ST1S12GR

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 700mA 1.7MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
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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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