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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
LM2665M6/NOPB

LM2665M6/NOPB

IC REG CHARGE PUMP 2VIN SOT23-6

Texas Instruments

59,096
LM2665M6/NOPB

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Ratiometric Positive Fixed 1 2.5V Charge Pump 5.5V 2Vin, Vin/2 - 40mA 80kHz - No - -40°C ~ 85°C (TJ) Surface Mount SOT-23-6
TPS61221DCKR

TPS61221DCKR

IC REG BOOST 3.3V 200MA SC70-6

Texas Instruments

33,994
TPS61221DCKR

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.7V Boost 5.5V 3.3V - 200mA (Switch) Up to 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SC-70-6
TPS62122DRVR

TPS62122DRVR

IC REG BUCK ADJ 75MA 6WSON

Texas Instruments

16,051
TPS62122DRVR

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 15V 1.2V 5.5V 75mA Up to 800kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
TPS61253AYFFR

TPS61253AYFFR

IC REG BOOST 5V 3.3A 9DSBGA

Texas Instruments

6,946
TPS61253AYFFR

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.65V Boost 4.85V 5V - 3.3A (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
TLV62569PDDCT

TLV62569PDDCT

IC REG BUCK ADJ 2A SOT23

Texas Instruments

6,340
TLV62569PDDCT

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable - 2.5V Buck 5.5V 0.6V 5.5V 2A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
TLV62569DBVT

TLV62569DBVT

IC REG BUCK ADJ 2A SOT23-5

Texas Instruments

3,291
TLV62569DBVT

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable - 2.5V Buck 5.5V 0.6V 5.5V 2A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
AOZ2151EQI-30

AOZ2151EQI-30

IC REG BUCK ADJ 4A 18QFN

Alpha & Omega Semiconductor Inc.

13,601
AOZ2151EQI-30

Datasheet

EZBuck™ 18-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 28V 0.8V 23.8V 4A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 18-QFN (3x3)
TPS62237DRYR

TPS62237DRYR

IC REG BUCK 3.3V 500MA 6SON

Texas Instruments

21,528
TPS62237DRYR

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.05V Buck 6V 3.3V - 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-SON (1.45x1)
TPS62808YKAR

TPS62808YKAR

IC REG BCK ADJ/1.8V 600MA 6DSBGA

Texas Instruments

20,644
TPS62808YKAR

Datasheet

- 6-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 1.8V Buck 5.5V 1.8V (1.8V) 3.3V 600mA 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA (1.05x0.70)
RT9261B-50GB

RT9261B-50GB

IC REG BOOST 5V 160MA SOT23-5

Richtek USA Inc.

8,139
RT9261B-50GB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1V Boost 7V 5V - 160mA (Switch) 190kHz - No - -20°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3670MFX-ADJ/NOPB

LM3670MFX-ADJ/NOPB

IC REG BUCK ADJ 350MA SOT23-5

Texas Instruments

7,300
LM3670MFX-ADJ/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.7V 5.5V 350mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TPS62807YKAR

TPS62807YKAR

IC REG BCK ADJ/0.8V 600MA 6DSBGA

Texas Instruments

4,230
TPS62807YKAR

Datasheet

- 6-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 1.8V Buck 5.5V 0.8V (1.2V) 1.55V 600mA 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA (1.05x0.70)
LM3670MF-3.3/NOPB

LM3670MF-3.3/NOPB

IC REG BUCK 3.3V 350MA SOT23-5

Texas Instruments

4,222
LM3670MF-3.3/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 3.3V - 350mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
MC34063AP

MC34063AP

IC REG BUCK BOOST ADJ 1.5A 8PDIP

Texas Instruments

1,324
MC34063AP

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 40V (Switch) 1.5A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
TC7660CPA

TC7660CPA

IC REG CHARG PUMP INV 20MA 8PDIP

Microchip Technology

343
TC7660CPA

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, 2Vin - 20mA 10kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
TC7660EPA

TC7660EPA

IC REG CHARG PUMP INV 20MA 8PDIP

Microchip Technology

306
TC7660EPA

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, 2Vin - 20mA 10kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
TPS60401QDBVRQ1

TPS60401QDBVRQ1

IC REG CHG PUMP INV 60MA SOT23-5

Texas Instruments

4,642
TPS60401QDBVRQ1

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.8V Charge Pump 5.25V -Vin, 2Vin, Vin/2 - 60mA 20kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
MIC2251YML-TR

MIC2251YML-TR

IC REG BOOST ADJ 900MA 8MLF

Microchip Technology

2,453
MIC2251YML-TR

Datasheet

- 8-VFDFN Exposed Pad, 8-MLF® 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 8-MLF® (2x2)
TPS60402DBVT

TPS60402DBVT

IC REG CHG PUMP INV 60MA SOT23-5

Texas Instruments

24,232
TPS60402DBVT

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.8V Charge Pump 5.25V -Vin, 2Vin, Vin/2 - 60mA 50kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
TPS60400DBVT

TPS60400DBVT

IC REG CHG PUMP INV 60MA SOT23-5

Texas Instruments

6,055
TPS60400DBVT

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.8V Charge Pump 5.25V -Vin, 2Vin, Vin/2 - 60mA 50kHz ~ 250kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-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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