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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
LTC3616EUDD#PBF

LTC3616EUDD#PBF

IC REG BUCK ADJ 6A 24QFN

Analog Devices Inc.

623
LTC3616EUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.6V 5.5V 6A 300kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (3x5)
LT1076CT#06PBF

LT1076CT#06PBF

IC REG BUCK BOOST ADJ 2A TO220-5

Analog Devices Inc.

2,028
LT1076CT#06PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 45V 2.5V 35V 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Through Hole TO-220-5 Flow 6
LT1766EFE-5#PBF

LT1766EFE-5#PBF

IC REG BUCK 5V 1.5A 16TSSOP

Analog Devices Inc.

1,625
LT1766EFE-5#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 5.5V Buck 60V 5V - 1.5A 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT1956EFE#TRPBF

LT1956EFE#TRPBF

IC REG BUCK ADJ 1.5A 16TSSOP

Analog Devices Inc.

5,299
LT1956EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.5V Buck 60V 1.219V 54V 1.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT1372CS8#TRPBF

LT1372CS8#TRPBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

3,229
LT1372CS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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 35V (Switch) 1.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LTC3603IUF#PBF

LTC3603IUF#PBF

IC REG BUCK ADJ 2.5A 20QFN

Analog Devices Inc.

1,969
LTC3603IUF#PBF

Datasheet

- 20-WFQFN 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 20-QFN (4x4)
LTC3603IMSE#PBF

LTC3603IMSE#PBF

IC REG BUCK ADJ 2.5A 16MSOP

Analog Devices Inc.

259
LTC3603IMSE#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
LT1176CN8#PBF

LT1176CN8#PBF

IC REG BCK FLYBCK ADJ 1.2A 8PDIP

Analog Devices Inc.

2,312
LT1176CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Flyback 35V 2.21V 31.5V 1.2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT3504IUFD#TRPBF

LT3504IUFD#TRPBF

IC REG BUCK ADJ 1A QUAD 28QFN

Analog Devices Inc.

2,510
LT3504IUFD#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 4 3.2V Buck 40V 0.8V 40V 1A 250kHz ~ 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LT8640IUDCF#PBF

LT8640IUDCF#PBF

IC REG BUCK ADJ 5A 20QFN

Analog Devices Inc.

196
LT8640IUDCF#PBF

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 - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 20-QFN (3x4)
LT1507CS8-3.3#PBF

LT1507CS8-3.3#PBF

IC REG BUCK 3.3V 1.5A 8SO

Analog Devices Inc.

104
LT1507CS8-3.3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4V Buck 16V 3.3V - 1.5A 500kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT8637EV#WPBF

LT8637EV#WPBF

IC REG BUCK ADJ 5A 20LQFN

Analog Devices Inc.

424
LT8637EV#WPBF

Datasheet

- 20-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 5A 200kHz ~ 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 20-LQFN (4x3)
LT3510IFE#PBF

LT3510IFE#PBF

IC REG BUCK ADJ 2A DL 20TSSOP

Analog Devices Inc.

149
LT3510IFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.1V Buck 25V 0.8V 23.75V 2A 250kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LTC3421EUF#PBF

LTC3421EUF#PBF

IC REG BOOST ADJ 1A 24QFN

Analog Devices Inc.

2,241
LTC3421EUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 0.5V Boost 4.5V 2.4V 5.25V 1A (Switch) 100kHz ~ 3MHz - No - -40°C ~ 85°C (TA) Surface Mount 24-QFN (4x4)
LTC3546EFE#TRPBF

LTC3546EFE#TRPBF

IC REG BCK ADJ 1A/2A DL 28TSSOP

Analog Devices Inc.

2,792
LTC3546EFE#TRPBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.3V Buck 5.5V 0.6V 5V 1A, 2A 2.25MHz, 750kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-TSSOP-EP
LTC3335IUDC#TRPBF

LTC3335IUDC#TRPBF

IC REG BUCK BST PROG 50MA 20QFN

Analog Devices Inc.

2,402
LTC3335IUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Programmable 1 1.8V Buck-Boost 5.5V 1.8V 5V 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LTC3335IUDC#PBF

LTC3335IUDC#PBF

IC REG BUCK BST PROG 50MA 20QFN

Analog Devices Inc.

133
LTC3335IUDC#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Up/Step-Down Positive Programmable 1 1.8V Buck-Boost 5.5V 1.8V 5V 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LTC1265CS#PBF

LTC1265CS#PBF

IC REG BUCK BOOST ADJ 1.2A 14SO

Analog Devices Inc.

128
LTC1265CS#PBF

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Active Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 4V Buck, Buck-Boost, SEPIC 13V 1.25V 13V 1.2A (Switch) Up to 700kHz - No - 0°C ~ 70°C (TA) Surface Mount 14-SO
LT8302HS8E-3#PBF

LT8302HS8E-3#PBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

4,382
LT8302HS8E-3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 3V Flyback 42V - 65V (Switch) 3.6A Down to 12kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC-EP
LT8302IS8E#WTRPBF

LT8302IS8E#WTRPBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

1,500
LT8302IS8E#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 ~ 125°C (TJ) Surface Mount 8-SOIC-EP
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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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