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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
MAX17506ATP+

MAX17506ATP+

IC REG BUCK ADJ 5A 20TQFN

Analog Devices Inc./Maxim Integrated

179
MAX17506ATP+

Datasheet

Himalaya 20-WQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (5x5)
MAX629ESA+

MAX629ESA+

IC REG BOOST FLYBACK ADJ 8SOIC

Analog Devices Inc./Maxim Integrated

703
MAX629ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Boost, Flyback, SEPIC 5.5V ±0.8V ±28V 500mA 300kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3112EDHD#PBF

LTC3112EDHD#PBF

IC REG BUCK BOOST ADJ 2.5A 16DFN

Analog Devices Inc.

3,516
LTC3112EDHD#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.7V Buck-Boost 15V 2.5V 14V 2.5A 750kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x4)
LTC3638IMSE#TRPBF

LTC3638IMSE#TRPBF

IC REG BUCK ADJ 250MA 16MSOP

Analog Devices Inc.

6,885
LTC3638IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 140V 0.8V 140V 250mA - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3639IMSE#TRPBF

LTC3639IMSE#TRPBF

IC REG BUCK ADJ 100MA 16MSOP

Analog Devices Inc.

3,377
LTC3639IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 150V 0.8V 150V 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3639IMSE#PBF

LTC3639IMSE#PBF

IC REG BUCK ADJ 100MA 16MSOP

Analog Devices Inc.

281
LTC3639IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 150V 0.8V 150V 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
MAX15021ATI+T

MAX15021ATI+T

IC REG BUCK ADJ 2A/4A DL 28TQFN

Analog Devices Inc./Maxim Integrated

5,342
MAX15021ATI+T

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 2A, 4A 500kHz ~ 4MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 28-TQFN (5x5)
LT1376IS8#PBF

LT1376IS8#PBF

IC REG BUCK SEPIC ADJ 1.5A 8SO

Analog Devices Inc.

1,255
LT1376IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 25V 2.42V 21.5V 1.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
ICL7662EPA+

ICL7662EPA+

IC REG CHARGE PUMP 8PDIP

Analog Devices Inc./Maxim Integrated

715
ICL7662EPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Negative Fixed 1 4.5V Charge Pump 20V -Vin - - 10kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
LT8612IUDE#PBF

LT8612IUDE#PBF

IC REG BUCK ADJ 6A 28QFN

Analog Devices Inc.

7,075
LT8612IUDE#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 41.6V 6A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (3x6)
LTC1046IS8#PBF

LTC1046IS8#PBF

IC REG CHARGE PUMP INV 50MA 8SO

Analog Devices Inc.

486
LTC1046IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 6V -Vin, 2Vin, Vin/2 - 50mA 5.5kHz ~ 30kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
LTC7124EUDD#PBF

LTC7124EUDD#PBF

IC REG BUCK ADJ 3.5A DL 24QFN

Analog Devices Inc.

1,954
LTC7124EUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.1V Buck 17V 0.6V 16.8V 3.5A 4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x5)
LTC3614IUDD#PBF

LTC3614IUDD#PBF

IC REG BUCK ADJ 4A 24QFN

Analog Devices Inc.

632
LTC3614IUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.6V 5.5V 4A 300kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (3x5)
LT1372HVCS8#PBF

LT1372HVCS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

1,042
LT1372HVCS8#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) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT8642SEV#PBF

LT8642SEV#PBF

IC REG BUCK ADJ 10A 24LQFN

Analog Devices Inc.

1,189
LT8642SEV#PBF

Datasheet

Silent Switcher®1 24-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 2.8V Buck 18V 0.597V 3.3V 10A 200kHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-LQFN (4x4)
LTC3615EFE#PBF

LTC3615EFE#PBF

IC REG BUCK ADJ 3A DL 24TSSOP

Analog Devices Inc.

615
LTC3615EFE#PBF

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) 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-TSSOP
LT8471IFE#TRPBF

LT8471IFE#TRPBF

IC REG BUCK BOOST ADJ DL 20TSSOP

Analog Devices Inc.

9,000
LT8471IFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 2 2.6V Buck, Boost, Flyback, SEPIC 50V 2.6V 50V (Switch) 1.35A (Switch), 2.1A (Switch) 100kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT8620IMSE#TRPBF

LT8620IMSE#TRPBF

IC REG BUCK ADJ 2A 16MSOP

Analog Devices Inc.

4,454
LT8620IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.4V Buck 65V 0.97V 64.75V 2A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8620IUDD#TRPBF

LT8620IUDD#TRPBF

IC REG BUCK ADJ 2A 24QFN

Analog Devices Inc.

4,034
LT8620IUDD#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.4V Buck 65V 0.97V 64.75V 2A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x5)
LT8610ABIMSE#TRPBF

LT8610ABIMSE#TRPBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

3,562
LT8610ABIMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-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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