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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
LT3973EMSE#PBF

LT3973EMSE#PBF

IC REG BUCK ADJ 750MA 10MSOP

Analog Devices Inc.

180
LT3973EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.2V Buck 42V 1.21V 24V 750mA 195kHz ~ 2.15MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
MAX1680ESA+

MAX1680ESA+

IC REG CHRG PUMP INV 125MA 8SOIC

Analog Devices Inc./Maxim Integrated

756
MAX1680ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 2V Charge Pump 5.5V -Vin, 2Vin - 125mA 125kHz, 250kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3261EMSE#TRPBF

LTC3261EMSE#TRPBF

IC REG CHARGE PUMP 100MA 12MSOP

Analog Devices Inc.

3,759
LTC3261EMSE#TRPBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 4.5V Charge Pump 32V -Vin, Vin/2 - 100mA 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LTC3407EMSE#TRPBF

LTC3407EMSE#TRPBF

IC REG BUCK ADJ 600MA DL 10MSOP

Analog Devices Inc.

3,155
LTC3407EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5V 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-MSOP-EP
LTC3261EMSE#PBF

LTC3261EMSE#PBF

IC REG CHARGE PUMP 100MA 12MSOP

Analog Devices Inc.

2,706
LTC3261EMSE#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Ratiometric Positive or Negative Fixed 1 4.5V Charge Pump 32V -Vin, Vin/2 - 100mA 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LT3505IDD#PBF

LT3505IDD#PBF

IC REG BUCK ADJ 1.2A 8DFN

Analog Devices Inc.

166
LT3505IDD#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 ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT8304IS8E#PBF

LT8304IS8E#PBF

IC REG FLYBACK ADJ 2A 8SOIC

Analog Devices Inc.

4,201
LT8304IS8E#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Flyback 100V 1V 150V (Switch) 2A (Switch) 11kHz ~ 350kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
MAX1680ESA+T

MAX1680ESA+T

IC REG CHRG PUMP INV 125MA 8SOIC

Analog Devices Inc./Maxim Integrated

6,323
MAX1680ESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 2V Charge Pump 5.5V -Vin, 2Vin - 125mA 125kHz, 250kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
TPS54310MPWPREP

TPS54310MPWPREP

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

1,468
TPS54310MPWPREP

Datasheet

SWIFT™ 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 6V 0.891V 3.3V 3A 350kHz, 550kHz - Yes - -55°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LTC3113EDHD#PBF

LTC3113EDHD#PBF

IC REG BUCK BOOST ADJ 3A 16DFN

Analog Devices Inc.

9,661
LTC3113EDHD#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube 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)
MAX682ESA+T

MAX682ESA+T

IC REG CHARG PUMP 5V 250MA 8SOIC

Analog Devices Inc./Maxim Integrated

2,620
MAX682ESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 250mA 50kHz ~ 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LT8619IDD#TRPBF

LT8619IDD#TRPBF

IC REG BUCK ADJ 1.2A 10DFN

Analog Devices Inc.

2,901
LT8619IDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 60V 0.8V 59.4V 1.2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT8619IDD#PBF

LT8619IDD#PBF

IC REG BUCK ADJ 1.2A 10DFN

Analog Devices Inc.

1,857
LT8619IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 60V 0.8V 59.4V 1.2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT3470AIDDB#TRMPBF

LT3470AIDDB#TRMPBF

IC REG BUCK ADJ 250MA 8DFN

Analog Devices Inc.

1,587
LT3470AIDDB#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 1.25V 16V 250mA - - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
MAX25240AFFF/VY+

MAX25240AFFF/VY+

IC REG BCK BST ADJ/6.5V 22FC2QFN

Analog Devices Inc./Maxim Integrated

298
MAX25240AFFF/VY+

Datasheet

- 22-PowerWFQFN Tray Active Step-Up/Step-Down Positive Adjustable (Fixed) 1 2V Buck-Boost 36V 6.5V (11.5V) 20V 6A 400kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 22-FC2QFN (4.25x4.25)
ICL7662EBA+T

ICL7662EBA+T

IC REG CHARGE PUMP 8SOIC

Analog Devices Inc./Maxim Integrated

3,395
ICL7662EBA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Negative Fixed 1 4.5V Charge Pump 20V -Vin - - 10kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3417AEDHC-2#TRPBF

LTC3417AEDHC-2#TRPBF

IC REG BCK ADJ 1A/1.5A DL 16DFN

Analog Devices Inc.

3,305
LTC3417AEDHC-2#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) 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 16-DFN (5x3)
LT8608HDC#TRMPBF

LT8608HDC#TRMPBF

IC REG BUCK ADJ 1.5A 8DFN

Analog Devices Inc.

909
LT8608HDC#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 ~ 150°C (TJ) Surface Mount 8-DFN (2x2)
LTC3417AEDHC-2#PBF

LTC3417AEDHC-2#PBF

IC REG BCK ADJ 1A/1.5A DL 16DFN

Analog Devices Inc.

685
LTC3417AEDHC-2#PBF

Datasheet

- 16-WFDFN 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 16-DFN (5x3)
LTC3129EUD#TRPBF

LTC3129EUD#TRPBF

IC REG BUCK BST ADJ 200MA 16QFN

Analog Devices Inc.

18,486
LTC3129EUD#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.92V Buck-Boost 15V 1.4V 15.75V 200mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
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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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