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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
LT1373HVCS8#PBF

LT1373HVCS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

3,246
LT1373HVCS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC 30V 1.245V 42V (Switch) 1.5A (Switch) 250kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LTC3411IDD#PBF

LTC3411IDD#PBF

IC REG BUCK BST ADJ 1.25A 10DFN

Analog Devices Inc.

3,679
LTC3411IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 1 2.625V Buck, Buck-Boost 5.5V 0.8V 5V 1.25A 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
ADP5055ACCZ-R7

ADP5055ACCZ-R7

IC REG BUCK ADJ TRPL 43LGA

Analog Devices Inc.

1,667
ADP5055ACCZ-R7

Datasheet

- 43-VFLGA Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 18V 0.408V 0.8V 3A, 7A, 14A 250kHz ~ 2.5MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 43-LGA (5x5.5)
LT3995HMSE#PBF

LT3995HMSE#PBF

IC REG BUCK ADJ 3A 16MSOP

Analog Devices Inc.

441
LT3995HMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.3V Buck 60V 1.197V 55.8V 3A 200kHz ~ 2.25MHz - No - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LTC3374AHUHF#PBF

LTC3374AHUHF#PBF

IC REG BUCK ADJ 1A 8OUT 38QFN

Analog Devices Inc.

3,109
LTC3374AHUHF#PBF

Datasheet

- 38-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 8 2.7V Buck 5.5V 0.8V 5.5V 1A 2MHz - No - -40°C ~ 150°C (TJ) Surface Mount 38-QFN (5x7)
LT1308CS8#PBF

LT1308CS8#PBF

IC REG BOOST ADJ 2A 8SO

Analog Devices Inc.

4,732
LT1308CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Adjustable 1 1V Boost 10V 1.22V 30V (Switch) 2A (Switch) 600kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT8302HS8E#WTRPBF

LT8302HS8E#WTRPBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

2,214
LT8302HS8E#WTRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 3V Flyback 42V - 65V (Switch) 3.6A (Switch) Down to 12kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SOIC-EP
MAX1945REUI+

MAX1945REUI+

IC REG BUCK ADJ 6A 28TSSOP

Analog Devices Inc./Maxim Integrated

314
MAX1945REUI+

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable (Programmable) 1 2.6V Buck 5.5V 0.8V (1.8V, 2.5V) 4.68V 6A 400kHz ~ 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 28-TSSOP-EP
LT3980IDE#PBF

LT3980IDE#PBF

IC REG BUCK ADJ 2A 14DFN

Analog Devices Inc.

3,227
LT3980IDE#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 58V 0.79V 57.42V 2A 225kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
LT3508IFE#TRPBF

LT3508IFE#TRPBF

IC REG BUCK ADJ 1.4A DL 16TSSOP

Analog Devices Inc.

13,452
LT3508IFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3.7V Buck 36V 0.8V 35.28V 1.4A 920kHz ~ 1.06MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT3988IMSE#PBF

LT3988IMSE#PBF

IC REG BUCK ADJ 1A DL 16MSOP

Analog Devices Inc.

4,062
LT3988IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 4.1V Buck 60V 0.75V 59.4V 1A 250kHz ~ 2.15MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3508IFE#PBF

LT3508IFE#PBF

IC REG BUCK ADJ 1.4A DL 16TSSOP

Analog Devices Inc.

886
LT3508IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.7V Buck 36V 0.8V 35.28V 1.4A 920kHz ~ 1.06MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT3433IFE#PBF

LT3433IFE#PBF

IC REG BCK BST ADJ 500MA 16TSSOP

Analog Devices Inc.

254
LT3433IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 4V Buck-Boost 60V 3.3V 20V 500mA (Switch) 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3417AIFE#PBF

LTC3417AIFE#PBF

IC REG BUCK ADJ 1A/1.5A 20TSSOP

Analog Devices Inc.

2,350
LTC3417AIFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.25V Buck 5.5V 0.8V 5V 1A, 1.5A 1.5MHz, 600kHz ~ 4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-TSSOP-EP
LTC3126IUFD#PBF

LTC3126IUFD#PBF

IC REG BUCK ADJ 2.5A 28QFN

Analog Devices Inc.

4,694
LTC3126IUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.4V Buck 42V 0.818V 42V 2.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 28-QFN (4x5)
LT8640JUDCF#WPBF

LT8640JUDCF#WPBF

IC REG BUCK ADJ 5A 20QFN

Analog Devices Inc.

172
LT8640JUDCF#WPBF

Datasheet

Silent Switcher®1 20-WFQFN, 18 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 5A 210kHz ~ 2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (3x4)
LTC1514IS8-5#PBF

LTC1514IS8-5#PBF

IC REG CHARGE PUMP 5V 50MA 8SO

Analog Devices Inc.

133
LTC1514IS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 10V 5V - 50mA 650kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
LTC1514CS8-3.3#PBF

LTC1514CS8-3.3#PBF

IC REG CHARGE PUMP 3.3V 50MA 8SO

Analog Devices Inc.

100
LTC1514CS8-3.3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Positive Fixed 1 2V Charge Pump 8V 3.3V - 50mA 650kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC1515CS8#PBF

LTC1515CS8#PBF

IC REG CHARGE PUMP ADJ 50MA 8SO

Analog Devices Inc.

3,664
LTC1515CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Positive Adjustable 1 2V Charge Pump 10V 1.232V 20V 50mA 650kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT3690HUFE#PBF

LT3690HUFE#PBF

IC REG BUCK ADJ 4A 26QFN

Analog Devices Inc.

3,314
LT3690HUFE#PBF

Datasheet

- 26-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.9V Buck 36V 0.8V 20V 4A 138kHz ~ 1.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 26-QFN (4x6)
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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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