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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
BU33DV5G-GTR

BU33DV5G-GTR

IC REG BOOST ADJ 10MA 5SSOP

Rohm Semiconductor

7,515
BU33DV5G-GTR

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.75V Boost 4.5V 3.23V 3.37V 10mA 100kHz - Yes - -25°C ~ 85°C (TA) Surface Mount 5-SSOP
LM3677TL-2.5/NOPB

LM3677TL-2.5/NOPB

IC REG BUCK 2.5V 600MA 5DSBGA

Texas Instruments

120
LM3677TL-2.5/NOPB

Datasheet

- 5-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 2.5V - 600mA 3MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 5-DSBGA (1.41x1.08)
LM3677LEE-1.8/NOPB

LM3677LEE-1.8/NOPB

IC REG BUCK 1.8V 600MA 6USON

Texas Instruments

489
LM3677LEE-1.8/NOPB

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.8V - 600mA 3MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 6-USON (2x1.5)
LM3677LEE-1.5/NOPB

LM3677LEE-1.5/NOPB

IC REG BUCK 1.5V 600MA 6USON

Texas Instruments

460
LM3677LEE-1.5/NOPB

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.5V - 600mA 3MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 6-USON (2x1.5)
TPS54427DRCR

TPS54427DRCR

IC REG BUCK ADJ 4A 10VSON

Texas Instruments

3,557
TPS54427DRCR

Datasheet

SWIFT™, D-CAP2™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 4A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
TPS61258YFFT

TPS61258YFFT

IC REG BOOST 4.5V 3.9A 9DSBGA

Texas Instruments

695
TPS61258YFFT

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.65V Boost 4.35V 4.5V - 3.9A (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
TPS61259YFFT

TPS61259YFFT

IC REG BOOST 5.1V 3.9A 9DSBGA

Texas Instruments

610
TPS61259YFFT

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.65V Boost 4.85V 5.1V - 3.9A (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
AOZ2233CQI-22

AOZ2233CQI-22

IC REG BUCK ADJ 8A 22QFN

Alpha & Omega Semiconductor Inc.

2,980
AOZ2233CQI-22

Datasheet

EZBuck™ 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 28V 0.7V 926mV 8A 400kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-QFN (4x4)
RP505K001C-TR

RP505K001C-TR

IC REG BUCK ADJ 1A 8DFN

Nisshinbo Micro Devices Inc.

489
RP505K001C-TR

Datasheet

RP505K 8-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 5.5V 0.6V 3.3V 1A 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount DFN(PL)2020-8
TPS56428RHLT

TPS56428RHLT

IC REG BUCK ADJ 4A 14VQFN

Texas Instruments

447
TPS56428RHLT

Datasheet

D-CAP2™, Eco-Mode™ 14-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 7V 4A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-VQFN (3.5x3.5)
TPS62625YFFT

TPS62625YFFT

IC REG BUCK 1.2V 600MA 6DSBGA

Texas Instruments

500
TPS62625YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.2V - 600mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
TPS62624YFFT

TPS62624YFFT

IC REG BUCK 1.2V 600MA 6DSBGA

Texas Instruments

420
TPS62624YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.2V - 600mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
TPS62622YFFT

TPS62622YFFT

IC REG BUCK 1.5V 600MA 6DSBGA

Texas Instruments

730
TPS62622YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.5V - 600mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
TPS62693YFDT

TPS62693YFDT

IC REG BUCK 2.85V 800MA 6DSBGA

Texas Instruments

905
TPS62693YFDT

Datasheet

- 6-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 4.8V 2.85V - 800mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
S-85V1AB30-I6T1U

S-85V1AB30-I6T1U

IC REG BUCK 3V 200MA SNT-6A

ABLIC Inc.

4,990
S-85V1AB30-I6T1U

Datasheet

- 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 3V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
LM3671MF-1.25/NOPB

LM3671MF-1.25/NOPB

IC REG BUCK 1.25V 600MA SOT23-5

Texas Instruments

1,338
LM3671MF-1.25/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.25V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
TPS61281DYFFT

TPS61281DYFFT

IC REG BOOST PROG 3A 16DSBGA

Texas Instruments

599
TPS61281DYFFT

Datasheet

- 16-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Programmable 1 2.3V Boost 4.85V 3.15V 4.4V 3A (Switch) 2.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-DSBGA (1.67x1.67)
LM3671TL-3.3/NOPB

LM3671TL-3.3/NOPB

IC REG BUCK 3.3V 600MA 5DSBGA

Texas Instruments

449
LM3671TL-3.3/NOPB

Datasheet

- 5-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 3.3V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 5-DSBGA (1.41x1.08)
TPS61282DYFFT

TPS61282DYFFT

IC REG BOOST PROG 4A 16DSBGA

Texas Instruments

206
TPS61282DYFFT

Datasheet

- 16-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Programmable 1 2.3V Boost 4.85V 3.15V 4.4V 4A (Switch) 2.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-DSBGA (1.67x1.67)
AOZ2263AQI-18

AOZ2263AQI-18

IC REG BUCK ADJ 12A 23QFNB

Alpha & Omega Semiconductor Inc.

5,509
AOZ2263AQI-18

Datasheet

EZBuck™ 23-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 28V 0.8V 23.8V 12A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 23-QFNB (4x4)
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Frequently Asked Questions

Voltage Regulators - DC DC Switching Regulators Overview

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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