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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
TPS629203QDRLRQ1

TPS629203QDRLRQ1

IC REG BUCK ADJ 300MA SOT583

Texas Instruments

3,297
TPS629203QDRLRQ1

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.4V 5.5V 300mA 1MHz, 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount SOT-583
TC7660SCPA

TC7660SCPA

IC REG CHARG PUMP INV 20MA 8PDIP

Microchip Technology

1,622
TC7660SCPA

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 12V -Vin, 2Vin - 20mA 10kHz ~ 45kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
TC7660SEPA

TC7660SEPA

IC REG CHARG PUMP INV 20MA 8PDIP

Microchip Technology

432
TC7660SEPA

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 12V -Vin, 2Vin - 20mA 10kHz ~ 45kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
MC33063AD

MC33063AD

IC REG BUCK BOOST ADJ 1.5A 8SOIC

Texas Instruments

418
MC33063AD

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 40V (Switch) 1.5A (Switch) 100kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
TLV61046ADBVT

TLV61046ADBVT

IC REG BOOST ADJ 980MA SOT23-6

Texas Instruments

25,051
TLV61046ADBVT

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 3.3V 28V 980mA (Switch) 1.05MHz - - - -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
TPS62120DCNR

TPS62120DCNR

IC REG BUCK ADJ 75MA SOT23-8

Texas Instruments

17,883
TPS62120DCNR

Datasheet

- SOT-23-8 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 SOT-23-8
TPS560430YQDBVRQ1

TPS560430YQDBVRQ1

IC REG BUCK ADJ 600MA SOT23-6

Texas Instruments

2,252
TPS560430YQDBVRQ1

Datasheet

SIMPLE SWITCHER® SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 36V 600mA 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
BD9D320EFJ-E2

BD9D320EFJ-E2

IC REG BUCK ADJ 3A 8HTSOP-J

Rohm Semiconductor

7,889
BD9D320EFJ-E2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.765V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-HTSOP-J
TPS628302ADRLR

TPS628302ADRLR

IC REG BUCK ADJ 2A SOT583

Texas Instruments

3,475
TPS628302ADRLR

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 4.5V 2A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-583
TPS628302ARZER

TPS628302ARZER

IC REG BUCK ADJ 2A 8WQFN

Texas Instruments

3,363
TPS628302ARZER

Datasheet

- 8-WFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 4.5V 2A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-WQFN-HR (1x2)
TPS61033DRLR

TPS61033DRLR

IC REG BOOST ADJ SOT583

Texas Instruments

3,341
TPS61033DRLR

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.2V 5.5V - 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-583
LMR51610YFDBVR

LMR51610YFDBVR

IC REG BUCK ADJ 1A SOT23-6

Texas Instruments

2,908
LMR51610YFDBVR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 65V 0.8V 28V 1A 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-6
TPS61046YFFT

TPS61046YFFT

IC REG BOOST ADJ 1.2A 6DSBGA

Texas Instruments

2,890
TPS61046YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 4.5V 28V 1.2A 1.05MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA
LMR51430YFDDCR

LMR51430YFDDCR

IC REG BUCK ADJ 3A SOT23

Texas Instruments

2,620
LMR51430YFDDCR

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 3A 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-THIN
LMR51430XFDDCR

LMR51430XFDDCR

IC REG BUCK ADJ 3A SOT23-6

Texas Instruments

2,126
LMR51430XFDDCR

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 3A 500kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-THIN
TPS631012YBGR

TPS631012YBGR

IC REG BUCK BST ADJ 1.5A 8DSBGA

Texas Instruments

1,168
TPS631012YBGR

Datasheet

- 8-XFBGA, DSBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.6V Buck-Boost 5.5V 1V 5.5V 1.5A 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DSBGA (1.6x1.1)
LMR51610XFDBVR

LMR51610XFDBVR

IC REG BUCK ADJ 1A SOT23-6

Texas Instruments

922
LMR51610XFDBVR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 65V 0.8V 28V 1A 400kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-6
LMR51610YDBVR

LMR51610YDBVR

IC REG BUCK ADJ 1A SOT23-6

Texas Instruments

826
LMR51610YDBVR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 65V 0.8V 28V 1A 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount SOT-23-6
LM3670MF-1.2/NOPB

LM3670MF-1.2/NOPB

IC REG BUCK 1.2V 350MA SOT23-5

Texas Instruments

14,780
LM3670MF-1.2/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.2V - 350mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TLV62080DSGR

TLV62080DSGR

IC REG BUCK ADJ 1.2A 8WSON

Texas Instruments

7,057
TLV62080DSGR

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.5V 4V 1.2A 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
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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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