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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
LT3571EUD#TRPBF

LT3571EUD#TRPBF

IC REG BOOST ADJ 370MA 16QFN

Analog Devices Inc.

2,326
LT3571EUD#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.7V Boost 20V 2.7V 75V (Switch) 370mA (Switch) 250kHz ~ 2MHz - No - -40°C ~ 125°C (TA) Surface Mount 16-QFN (3x3)
LT3571EUD#PBF

LT3571EUD#PBF

IC REG BOOST ADJ 370MA 16QFN

Analog Devices Inc.

1,259
LT3571EUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 2.7V Boost 20V 2.7V 75V (Switch) 370mA (Switch) 250kHz ~ 2MHz - No - -40°C ~ 125°C (TA) Surface Mount 16-QFN (3x3)
LT8364IMSE#PBF

LT8364IMSE#PBF

IC REG BOOST SEPIC 4A 16MSOP

Analog Devices Inc.

338
LT8364IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 4A (Switch) 2MHz - - - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3309AJV#TRPBF

LTC3309AJV#TRPBF

IC REG BUCK ADJ 6A 12LQFN

Analog Devices Inc.

2,285
LTC3309AJV#TRPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 5.5V 6A 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 12-LQFN (2x2)
LTC3309AJV#TRMPBF

LTC3309AJV#TRMPBF

IC REG BUCK ADJ 6A 12LQFN

Analog Devices Inc.

626
LTC3309AJV#TRMPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 5.5V 6A 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 12-LQFN (2x2)
LTC3564IS5#TRMPBF

LTC3564IS5#TRMPBF

IC REG BUCK ADJ 1.25A TSOT23-5

Analog Devices Inc.

376
LTC3564IS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1.25A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
LTC3642IDD-3.3#PBF

LTC3642IDD-3.3#PBF

IC REG BUCK 3.3V 50MA 8DFN

Analog Devices Inc.

2,958
LTC3642IDD-3.3#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 1 4.5V Buck 45V 3.3V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT3503EDCB#TRPBF

LT3503EDCB#TRPBF

IC REG BUCK ADJ 1A 6DFN

Analog Devices Inc.

2,188
LT3503EDCB#TRPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 20V 0.78V 16.2V 1A 2.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x3)
LT8608BEDC#TRPBF

LT8608BEDC#TRPBF

IC REG BUCK ADJ 1.5A 8DFN

Analog Devices Inc.

1,728
LT8608BEDC#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 0.778V 42V 1.5A 200kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT8608BEDC#TRMPBF

LT8608BEDC#TRMPBF

IC REG BUCK ADJ 1.5A 8DFN

Analog Devices Inc.

763
LT8608BEDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 0.778V 42V 1.5A 200kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT8362HDD#PBF

LT8362HDD#PBF

IC REG BOOST SEPIC 2A 10DFN

Analog Devices Inc.

147
LT8362HDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 2A (Switch) 300kHz ~ 2MHz - - - -40°C ~ 150°C (TJ) Surface Mount 10-DFN (3x3)
LT8570EMS8E#TRPBF

LT8570EMS8E#TRPBF

IC REG BOOST CUK ADJ 750MA 8MSOP

Analog Devices Inc.

1,481
LT8570EMS8E#TRPBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.55V Boost, Cuk, SEPIC 40V 0.003V, 1.204V 65V (Switch) 750mA (Switch) 200kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LT3582EUD-12#PBF

LT3582EUD-12#PBF

IC REG BUCK BOOST 12V DL 16QFN

Analog Devices Inc.

283
LT3582EUD-12#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Up Positive and Negative (Dual Rail) Fixed 2 2.55V Boost, Buck-Boost 5.5V ±12V - 285mA (Switch), 490mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LT8570EDD#PBF

LT8570EDD#PBF

IC REG BOOST CUK ADJ 750MA 8DFN

Analog Devices Inc.

3,279
LT8570EDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.55V Boost, Cuk, SEPIC 40V 0.003V, 1.204V 65V (Switch) 750mA (Switch) 200kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT3582EUD#PBF

LT3582EUD#PBF

IC REG BUCK BOOST ADJ DL 16QFN

Analog Devices Inc.

1,727
LT3582EUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive and Negative (Dual Rail) Adjustable 2 2.55V Boost, Buck-Boost 5.5V 3.2V, -1.2V 12.78V, -13.95V 285mA (Switch), 490mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LM73606QRNPTQ1

LM73606QRNPTQ1

IC REG BUCK ADJ 6A 30WQFN

Texas Instruments

1,130
LM73606QRNPTQ1

Datasheet

- 30-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 34.2V 6A 350kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 30-WQFN (6x4)
LTC3290EMSE#PBF

LTC3290EMSE#PBF

IC REG BOOST ADJ 50MA 10MSOP

Analog Devices Inc.

3,851
LTC3290EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up Positive Adjustable 1 4.5V Boost 55V 1V 55V 50mA - - No - -55°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
MAX5035AASA+

MAX5035AASA+

IC REG BUCK 3.3V 1A 8SOIC

Analog Devices Inc./Maxim Integrated

2,279
MAX5035AASA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 7.5V Buck 76V 3.3V - 1A 125kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LT3462ES6#TRPBF

LT3462ES6#TRPBF

IC REG CUK ADJ 250MA TSOT23-6

Analog Devices Inc.

1,783
LT3462ES6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Negative Adjustable 1 2.5V Cuk 16V -1.265V -38V 250mA 1.2MHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-6
LT3483EDC#TRMPBF

LT3483EDC#TRMPBF

IC REG BUCK BOOST ADJ 170MA 8DFN

Analog Devices Inc.

1,566
LT3483EDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Negative Adjustable 1 2.5V Buck, Boost, Charge Pump, Flyback 16V -2.5V -38V 170mA (Switch) - - No - -40°C ~ 85°C (TA) Surface Mount 8-DFN (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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