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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
LT8610IMSE#PBF

LT8610IMSE#PBF

IC REG BUCK ADJ 2.5A 16MSOP

Analog Devices Inc.

1,215
LT8610IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 40V 2.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3439EFE#TRPBF

LT3439EFE#TRPBF

IC REG PUSH-PULL 1A 16TSSOP

Analog Devices Inc.

4,775
LT3439EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive, Isolation Capable Fixed 1 2.8V Push-Pull 17.5V - - 1A 20kHz ~ 250kHz - No - 0°C ~ 70°C (TJ) Surface Mount 16-TSSOP-EP
LT1308ACS8#PBF

LT1308ACS8#PBF

IC REG BOOST SEPIC ADJ 2A 8SO

Analog Devices Inc.

4,183
LT1308ACS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, SEPIC 10V 1.22V 34V 2A (Switch) 600kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT3439EFE#PBF

LT3439EFE#PBF

IC REG PUSH-PULL 1A 16TSSOP

Analog Devices Inc.

3,911
LT3439EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive, Isolation Capable Fixed 1 2.8V Push-Pull 17.5V - - 1A 20kHz ~ 250kHz - No - 0°C ~ 70°C (TJ) Surface Mount 16-TSSOP-EP
LT1308ACS8#TRPBF

LT1308ACS8#TRPBF

IC REG BOOST SEPIC ADJ 2A 8SO

Analog Devices Inc.

3,275
LT1308ACS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, SEPIC 10V 1.22V 34V 2A (Switch) 600kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1308BCS8#TRPBF

LT1308BCS8#TRPBF

IC REG BOOST SEPIC ADJ 2A 8SO

Analog Devices Inc.

2,500
LT1308BCS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, SEPIC 10V 1.22V 34V 2A (Switch) 600kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT3693EMSE#TRPBF

LT3693EMSE#TRPBF

IC REG BUCK ADJ 3.5A 10MSOP

Analog Devices Inc.

2,850
LT3693EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3313JV#PBF

LTC3313JV#PBF

IC REG BUCK ADJ 15A 18LQFN

Analog Devices Inc.

566
LTC3313JV#PBF

Datasheet

- 18-PowerTFQFN Tray Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 5.5V 15A 500kHz ~ 5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 18-LQFN (3x3)
LT3693EMSE#PBF

LT3693EMSE#PBF

IC REG BUCK ADJ 3.5A 10MSOP

Analog Devices Inc.

489
LT3693EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3113EDHD#TRPBF

LTC3113EDHD#TRPBF

IC REG BUCK BOOST ADJ 3A 16DFN

Analog Devices Inc.

4,959
LTC3113EDHD#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.5V 3A 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x4)
LTC3114EFE-1#TRPBF

LTC3114EFE-1#TRPBF

IC REG BUCK BOOST ADJ 1A 16TSSOP

Analog Devices Inc.

4,415
LTC3114EFE-1#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3615EUF#TRPBF

LTC3615EUF#TRPBF

IC REG BUCK ADJ 3A DL 24QFN

Analog Devices Inc.

3,821
LTC3615EUF#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.25V Buck 5.5V 0.6V 5.5V 3A 400kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (4x4)
LTC3114EDHC-1#TRPBF

LTC3114EDHC-1#TRPBF

IC REG BUCK BOOST ADJ 1A 16DFN

Analog Devices Inc.

3,331
LTC3114EDHC-1#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x3)
LTC3615EUF#PBF

LTC3615EUF#PBF

IC REG BUCK ADJ 3A DL 24QFN

Analog Devices Inc.

2,959
LTC3615EUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.25V Buck 5.5V 0.6V 5.5V 3A 400kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (4x4)
LTC3114EDHC-1#PBF

LTC3114EDHC-1#PBF

IC REG BUCK BOOST ADJ 1A 16DFN

Analog Devices Inc.

548
LTC3114EDHC-1#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x3)
LTC3615EUF-1#PBF

LTC3615EUF-1#PBF

IC REG BUCK ADJ 3A DL 24QFN

Analog Devices Inc.

239
LTC3615EUF-1#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.25V Buck 5.5V 0.6V 5.5V 3A 400kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (4x4)
LT8631IFE#TRPBF

LT8631IFE#TRPBF

IC REG BUCK ADJ 1A 20TSSOP

Analog Devices Inc.

2,721
LT8631IFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 100V 0.8V 60V 1A 100kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LTC3443EDE#PBF

LTC3443EDE#PBF

IC REG BUCK BOOST ADJ 1.2A 12DFN

Analog Devices Inc.

329
LTC3443EDE#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.4V Buck-Boost 5.5V 2.4V 5.25V 1.2A 600kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DFN (4x3)
LT8302HS8E#TRPBF

LT8302HS8E#TRPBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

1,747
LT8302HS8E#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 2.8V Flyback 42V - - 3.6A Down to 12kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC-EP
LT8302HS8E#PBF

LT8302HS8E#PBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

1,415
LT8302HS8E#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 2.8V Flyback 42V - - 3.6A Down to 12kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC-EP
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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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