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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
LMR51420YFDDCR

LMR51420YFDDCR

IC REG BUCK ADJ 2A SOT23

Texas Instruments

1,055
LMR51420YFDDCR

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 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-THIN
RT8077GQW

RT8077GQW

IC REG BUCK ADJ 2A 8WDFN

Richtek USA Inc.

24,342
RT8077GQW

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.6V Buck 5.5V 0.8V 5V 2A 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WDFN (2x2)
AOZ2261NQI-11

AOZ2261NQI-11

IC REG BUCK ADJ 8A 23QFNB

Alpha & Omega Semiconductor Inc.

15,247
AOZ2261NQI-11

Datasheet

EZBuck™ 23-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 28V 0.6V 23.8V 8A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 23-QFNB (4x4)
TPS62207DBVR

TPS62207DBVR

IC REG BUCK 1.2V 300MA SOT23-5

Texas Instruments

4,727
TPS62207DBVR

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 1.2V - 300mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TPS62202DBVR

TPS62202DBVR

IC REG BUCK 1.8V 300MA SOT23-5

Texas Instruments

4,116
TPS62202DBVR

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 1.8V - 300mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TPS62205DBVR

TPS62205DBVR

IC REG BUCK 2.5V 300MA SOT23-5

Texas Instruments

3,197
TPS62205DBVR

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 2.5V - 300mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TPS61256YFFR

TPS61256YFFR

IC REG BOOST 5V 2.4A 9DSBGA

Texas Instruments

8,764
TPS61256YFFR

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.5V Boost 4.85V 5V - 2.4A (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
TPS62200DBVR

TPS62200DBVR

IC REG BUCK ADJ 300MA SOT23-5

Texas Instruments

4,394
TPS62200DBVR

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.7V 6V 300mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
REG71055DDCR

REG71055DDCR

IC REG CHRG PUMP 5.5V 60MA SOT23

Texas Instruments

3,651
REG71055DDCR

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 3V Charge Pump 5.5V 5.5V - 60mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
LM2574-5.0YN

LM2574-5.0YN

IC REG BUCK 5V 500MA 8PDIP

Microchip Technology

744
LM2574-5.0YN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 - Buck 40V 5V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
LM2574-3.3YN

LM2574-3.3YN

IC REG BUCK 3.3V 500MA 8PDIP

Microchip Technology

273
LM2574-3.3YN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 - Buck 40V 3.3V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
LM2574-12YN

LM2574-12YN

IC REG BUCK 12V 500MA 8PDIP

Microchip Technology

155
LM2574-12YN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 - Buck 40V 12V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
TPS564208DDCT

TPS564208DDCT

IC REG BUCK ADJ 4A SOT23

Texas Instruments

99,281
TPS564208DDCT

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 4A 560kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
TC7660SCOA713

TC7660SCOA713

IC REG CHARG PUMP INV 20MA 8SOIC

Microchip Technology

27,484
TC7660SCOA713

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 12V -Vin, 2Vin - 20mA 10kHz ~ 45kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
TC7660SEOA713

TC7660SEOA713

IC REG CHARG PUMP INV 20MA 8SOIC

Microchip Technology

19,804
TC7660SEOA713

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 12V -Vin, 2Vin - 20mA 10kHz ~ 45kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
TPS61253YFFR

TPS61253YFFR

IC REG BOOST 5V 3.9A 9DSBGA

Texas Instruments

19,276
TPS61253YFFR

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.65V Boost 4.85V 5V - 3.9A (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
TPS564201DDCT

TPS564201DDCT

IC REG BUCK ADJ 4A SOT23

Texas Instruments

15,572
TPS564201DDCT

Datasheet

D-CAP2™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 4A 560kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR10515XMFX/NOPB

LMR10515XMFX/NOPB

IC REG BUCK ADJ 1.5A SOT23-5

Texas Instruments

6,074
LMR10515XMFX/NOPB

Datasheet

SIMPLE SWITCHER® SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1.5A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
TPS60500DGSR

TPS60500DGSR

IC REG CHARGE PUMP ADJ 10VSSOP

Texas Instruments

3,755
TPS60500DGSR

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.8V Charge Pump 6.5V 0.8V 3.3V 250mA 800kHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-VSSOP
TC7660SEOA

TC7660SEOA

IC REG CHARG PUMP INV 20MA 8SOIC

Microchip Technology

1,200
TC7660SEOA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 12V -Vin, 2Vin - 20mA 10kHz ~ 45kHz - 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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