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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
LT8580EMS8E#TRPBF

LT8580EMS8E#TRPBF

IC REG BOOST CUK ADJ 1.2A 8MSOP

Analog Devices Inc.

3,469
LT8580EMS8E#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 1.2V 65V (Switch) 1.2A (Switch) 200kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LT1611CS5#TRPBF

LT1611CS5#TRPBF

IC REG CUK ADJ 550MA SOT23-5

Analog Devices Inc.

6,412
LT1611CS5#TRPBF

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Negative Adjustable 1 0.9V Cuk 10V -0.9V -10V (Switch) 550mA (Switch) 1.4MHz - No - 0°C ~ 70°C (TA) Surface Mount SOT-23-5
LT1611CS5#TRMPBF

LT1611CS5#TRMPBF

IC REG CUK ADJ 550MA SOT23-5

Analog Devices Inc.

4,568
LT1611CS5#TRMPBF

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Negative Adjustable 1 0.9V Cuk 10V -0.9V -10V (Switch) 550mA (Switch) 1.4MHz - No - 0°C ~ 70°C (TA) Surface Mount SOT-23-5
LTC1751EMS8#TRPBF

LTC1751EMS8#TRPBF

IC REG CHRG PUMP ADJ 100MA 8MSOP

Analog Devices Inc.

2,576
LTC1751EMS8#TRPBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Charge Pump 5.5V 1.205V 11V 100mA 800kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
LTC1751EMS8#PBF

LTC1751EMS8#PBF

IC REG CHRG PUMP ADJ 100MA 8MSOP

Analog Devices Inc.

177
LTC1751EMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 1 2.5V Charge Pump 5.5V 1.205V 11V 100mA 800kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
MAX1676EUB+T

MAX1676EUB+T

IC REG BOOST ADJ 10UMAX

Analog Devices Inc./Maxim Integrated

1,823
MAX1676EUB+T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable (Programmable) 1 0.7V Boost 5.5V 2V (3.3V, 5V) 5.5V 360mA (Switch), 750mA (Switch) Up to 500Hz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-uMAX/uSOP
LT3467IS6#TRPBF

LT3467IS6#TRPBF

IC REG BST FLYBACK ADJ TSOT23-6

Analog Devices Inc.

3,011
LT3467IS6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.4V Boost, Flyback, SEPIC 16V 1.255V 40V 1.1A 1.3MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LTC3406ES5#TRMPBF

LTC3406ES5#TRMPBF

IC REG BUCK ADJ 600MA TSOT23-5

Analog Devices Inc.

953
LTC3406ES5#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 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LTC3603EMSE#PBF

LTC3603EMSE#PBF

IC REG BUCK ADJ 2.5A 16MSOP

Analog Devices Inc.

10,407
LTC3603EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 15V 0.6V 14.5V 2.5A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3580IDD#TRPBF

LT3580IDD#TRPBF

IC REG BOOST CUK ADJ 2A 8DFN

Analog Devices Inc.

14,260
LT3580IDD#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.5V Boost, Cuk, SEPIC 32V 5V 42V (Switch) 2A (Switch) 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT3505EDD#PBF

LT3505EDD#PBF

IC REG BUCK ADJ 1.2A 8DFN

Analog Devices Inc.

5,790
LT3505EDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.78V 33.84V 1.2A 200kHz ~ 3.01MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x3)
LT3970EMS#TRPBF

LT3970EMS#TRPBF

IC REG BUCK ADJ 350MA 10MSOP

Analog Devices Inc.

5,727
LT3970EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 40V 1.21V 25V 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT3505EDD#TRPBF

LT3505EDD#TRPBF

IC REG BUCK ADJ 1.2A 8DFN

Analog Devices Inc.

4,759
LT3505EDD#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.78V 33.84V 1.2A 200kHz ~ 3.01MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x3)
LT3970EMS-5#PBF

LT3970EMS-5#PBF

IC REG BUCK 5V 350MA 10MSOP

Analog Devices Inc.

2,943
LT3970EMS-5#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Fixed 1 4.2V Buck 40V 5V - 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT3970EMS-3.3#PBF

LT3970EMS-3.3#PBF

IC REG BUCK 3.3V 350MA 10MSOP

Analog Devices Inc.

1,946
LT3970EMS-3.3#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Fixed 1 4.2V Buck 40V 3.3V - 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT3970EMS#PBF

LT3970EMS#PBF

IC REG BUCK ADJ 350MA 10MSOP

Analog Devices Inc.

1,505
LT3970EMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 4.2V Buck 40V 1.21V 25V 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT8337JV#PBF

LT8337JV#PBF

IC REG BOOST PROG 5A 16LQFN

Analog Devices Inc.

751
LT8337JV#PBF

Datasheet

Silent Switcher®1 16-TFQFN Exposed Pad Tray Active Step-Up Positive Programmable 1 2.7V Boost 28V 1V 26V 5A 300kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-LQFN (3x3)
LT3970EMS-5#TRPBF

LT3970EMS-5#TRPBF

IC REG BUCK 5V 350MA 10MSOP

Analog Devices Inc.

591
LT3970EMS-5#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.2V Buck 40V 5V - 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LTC3409EDD#TRPBF

LTC3409EDD#TRPBF

IC REG BUCK ADJ 600MA 8DFN

Analog Devices Inc.

2,649
LTC3409EDD#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.6V Buck 5.5V 0.613V 5.5V 600mA 1.7MHz ~ 2.6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x3)
TPS54020RUWT

TPS54020RUWT

IC REG BUCK ADJ 10A 15VQFN

Texas Instruments

819
TPS54020RUWT

Datasheet

SWIFT™, Eco-Mode™ 15-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 5V 10A 200kHz ~ 1.2MHz - Yes - -40°C ~ 150°C (TA) Surface Mount 15-VQFN-HR (3.5x3.5)
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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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