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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
MAX20022ATIA/V+

MAX20022ATIA/V+

IC REG BUCK ADJ 1A QUAD 28TQFN

Analog Devices Inc./Maxim Integrated

378
MAX20022ATIA/V+

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 4 3V Buck 5.5V 1V 4V 1A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 28-TQFN (5x5)
LTC3547EDDB#TRPBF

LTC3547EDDB#TRPBF

IC REG BUCK ADJ 300MA DL 8DFN

Analog Devices Inc.

12,092
LTC3547EDDB#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 300mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x2)
LTC3528BEDDB#TRPBF

LTC3528BEDDB#TRPBF

IC REG BOOST ADJ 1A 8DFN

Analog Devices Inc.

4,540
LTC3528BEDDB#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.88V Boost 5.25V 1.6V 5.25V 1A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
LTC3528EDDB-2#TRPBF

LTC3528EDDB-2#TRPBF

IC REG BOOST ADJ 1A 8DFN

Analog Devices Inc.

3,997
LTC3528EDDB-2#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.88V Boost 5.5V 1.6V 5.25V 1A (Switch) 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
LTC3620EDC#TRMPBF

LTC3620EDC#TRMPBF

IC REG BUCK ADJ 15MA 8DFN

Analog Devices Inc.

2,449
LTC3620EDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.9V Buck 5.5V 0.6V 5.5V 15mA 50kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LTC3528BEDDB#TRMPBF

LTC3528BEDDB#TRMPBF

IC REG BOOST ADJ 1A 8DFN

Analog Devices Inc.

2,000
LTC3528BEDDB#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.88V Boost 5.25V 1.6V 5.25V 1A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
LTC3528EDDB-2#TRMPBF

LTC3528EDDB-2#TRMPBF

IC REG BOOST ADJ 1A 8DFN

Analog Devices Inc.

870
LTC3528EDDB-2#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.88V Boost 5.5V 1.6V 5.25V 1A (Switch) 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
LT8607HDC#TRMPBF

LT8607HDC#TRMPBF

IC REG BUCK ADJ 750MA 8DFN

Analog Devices Inc.

753
LT8607HDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 1.8V 12V 750mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-DFN (2x2)
LTC3620EDC-1#TRMPBF

LTC3620EDC-1#TRMPBF

IC REG BUCK 1.1V 15MA 8DFN

Analog Devices Inc.

501
LTC3620EDC-1#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.9V Buck 5.5V 1.1V - 15mA 50kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
MAX5035AUSA+

MAX5035AUSA+

IC REG BUCK 3.3V 1A 8SOIC

Analog Devices Inc./Maxim Integrated

279
MAX5035AUSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 7.5V Buck 76V 3.3V - 1A 125kHz - No - 0°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX5035EASA+

MAX5035EASA+

IC REG BUCK ADJ 1A 8SOIC

Analog Devices Inc./Maxim Integrated

222
MAX5035EASA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.5V Buck 76V 1.25V 13.2V 1A 125kHz - No - -40°C ~ 125°C (TA) Surface Mount 8-SOIC
TPS54561QDPRTQ1

TPS54561QDPRTQ1

IC REG BUCK ADJ 5A 10WSON

Texas Instruments

527
TPS54561QDPRTQ1

Datasheet

Eco-Mode™ 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.8V 58.8V 5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 10-WSON (4x4)
LTC3419EMS#TRPBF

LTC3419EMS#TRPBF

IC REG BUCK ADJ 600MA DL 10MSOP

Analog Devices Inc.

5,580
LTC3419EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 600mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT3489EMS8E#TRPBF

LT3489EMS8E#TRPBF

IC REG BOOST ADJ 2.5A 8MSOP

Analog Devices Inc.

5,199
LT3489EMS8E#TRPBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.6V Boost 16V 2.6V 40V (Switch) 2.5A (Switch) 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP-EP
LTC3419EDD#TRPBF

LTC3419EDD#TRPBF

IC REG BUCK ADJ 600MA DL 8DFN

Analog Devices Inc.

4,800
LTC3419EDD#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 600mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
TPS54A20RNJR

TPS54A20RNJR

IC REG BUCK ADJ 10A 20VQFN

Texas Instruments

1,840
TPS54A20RNJR

Datasheet

SWIFT™ 20-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 14V 0.5V 2V 10A Selectable - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-VQFN-HR (4x3.5)
LTC3531EDD-3#PBF

LTC3531EDD-3#PBF

IC REG BUCK BST 3.02V 200MA 8DFN

Analog Devices Inc.

4,234
LTC3531EDD-3#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Fixed 1 1.8V Buck-Boost 5.5V 3.02V - 200mA - - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x3)
LTC3426ES6#TRPBF

LTC3426ES6#TRPBF

IC REG BOOST ADJ 2A TSOT23-6

Analog Devices Inc.

3,510
LTC3426ES6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.6V Boost 4.3V 2.25V 5V 2A (Switch) 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LT3467AEDDB#TRMPBF

LT3467AEDDB#TRMPBF

IC REG BST FLYBACK ADJ 1.1A 8DFN

Analog Devices Inc.

1,240
LT3467AEDDB#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.4V Boost, Flyback, SEPIC 16V 1.255V 40V 1.1A 2.1MHz - No - -40°C ~ 85°C (TJ) Surface Mount 8-DFN (3x2)
TPS548A20RVET

TPS548A20RVET

IC REG BUCK ADJ 15A 28VQFN

Texas Instruments

6,225
TPS548A20RVET

Datasheet

SWIFT™, D-CAP3™, Eco-Mode™ 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 20V 0.6V 5.5V 15A Selectable - No - -40°C ~ 125°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
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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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