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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
TC7660SCOA

TC7660SCOA

IC REG CHARG PUMP INV 20MA 8SOIC

Microchip Technology

589
TC7660SCOA

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 - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
TPS62826DMQR

TPS62826DMQR

IC REG BUCK ADJ 3A 6VSON

Texas Instruments

5,306
TPS62826DMQR

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)
AOZ2262NQI-11

AOZ2262NQI-11

IC REG BUCK ADJ 10A 23QFNB

Alpha & Omega Semiconductor Inc.

3,867
AOZ2262NQI-11

Datasheet

- 23-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 28V 0.6V 28V 10A - - Yes - -40°C ~ 85°C (TA) Surface Mount 23-QFNB (4x4)
SC189ZULTRT

SC189ZULTRT

IC REG BUCK 3.3V 1.5A 6MLPD

Semtech Corporation

3,823
SC189ZULTRT

Datasheet

- 6-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.9V Buck 5.5V 3.3V - 1.5A 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-MLPD-UT (2x2)
TPS62233DRYR

TPS62233DRYR

IC REG BUCK 3V 500MA 6SON

Texas Instruments

22,768
TPS62233DRYR

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.05V Buck 6V 3V - 500mA 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-SON (1.45x1)
RT8284NGS

RT8284NGS

IC REG BUCK ADJ 2A 8SOP

Richtek USA Inc.

19,713
RT8284NGS

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.923V 20V 2A 340kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP
R1218N021A-TR-FE

R1218N021A-TR-FE

IC REG BOOST ADJ 700MA SOT23-6

Nisshinbo Micro Devices Inc.

6,118
R1218N021A-TR-FE

Datasheet

R1218x SOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 8.5V 10.5V 700mA (Switch) 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
TPS62171DSGR

TPS62171DSGR

IC REG BUCK 1.8V 500MA 8WSON

Texas Instruments

334
TPS62171DSGR

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 17V 1.8V - 500mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
TPS6282533DMQR

TPS6282533DMQR

IC REG BUCK 3.3V 2A 6VSON

Texas Instruments

5,371
TPS6282533DMQR

Datasheet

- 6-VFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.4V Buck 5.5V 3.3V - 2A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-VSON-HR (1.5x1.5)
TPS628502DRLR

TPS628502DRLR

IC REG BUCK ADJ 2A SOT583

Texas Instruments

3,132
TPS628502DRLR

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.6V 5.5V 2A 1.8MHz ~ 4MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-583
TPS628512DRLR

TPS628512DRLR

IC REG BUCK ADJ 2A SOT583

Texas Instruments

2,591
TPS628512DRLR

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.6V 5.5V 2A 2.25MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-583
TC1044SEOA713

TC1044SEOA713

IC REG CHARGE PUMP 20MA 8SOIC

Microchip Technology

15,607
TC1044SEOA713

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Negative Fixed 1 1.5V Charge Pump 12V -Vin - 20mA 10kHz, 45kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
TPS62220DDCR

TPS62220DDCR

IC REG BUCK ADJ 400MA SOT23

Texas Instruments

3,326
TPS62220DDCR

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.7V 6V 400mA 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
MCP1661T-E/MNY

MCP1661T-E/MNY

IC REG BOOST ADJ 200MA 8TDFN

Microchip Technology

1,828
MCP1661T-E/MNY

Datasheet

- 8-WFDFN Exposed Pad 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 8-TDFN (2x3)
TC1044SEOA

TC1044SEOA

IC REG CHARGE PUMP 20MA 8SOIC

Microchip Technology

1,017
TC1044SEOA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Negative Fixed 1 1.5V Charge Pump 12V -Vin - 20mA 10kHz, 45kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LMR51420YDDCR

LMR51420YDDCR

IC REG BUCK ADJ 2A SOT23

Texas Instruments

751
LMR51420YDDCR

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
TC1044SCOA

TC1044SCOA

IC REG CHARGE PUMP 20MA 8SOIC

Microchip Technology

444
TC1044SCOA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Negative Fixed 1 1.5V Charge Pump 12V -Vin - 20mA 10kHz, 45kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
TPS61222DCKT

TPS61222DCKT

IC REG BOOST 5V 200MA SC70-6

Texas Instruments

7,745
TPS61222DCKT

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.7V Boost 5.5V 5V - 200mA (Switch) Up to 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SC-70-6
TPS56528DDAR

TPS56528DDAR

IC REG BUCK ADJ 5A 8SOPWR

Texas Instruments

4,458
TPS56528DDAR

Datasheet

D-CAP2™, Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 7V 5A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
TPS61220DCKT

TPS61220DCKT

IC REG BOOST ADJ 200MA SC70-6

Texas Instruments

3,839
TPS61220DCKT

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.7V Boost 5.5V 1.8V 6V 200mA (Switch) Up to 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SC-70-6
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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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