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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
LT1308AIS8#PBF

LT1308AIS8#PBF

IC REG BOOST SEPIC ADJ 2A 8SO

Analog Devices Inc.

5,036
LT1308AIS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, SEPIC 10V 1.22V 34V 2A (Switch) 600kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
LTC1474CMS8#PBF

LTC1474CMS8#PBF

IC REG BUCK BST ADJ 750MA 8MSOP

Analog Devices Inc.

499
LTC1474CMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Buck-Boost, SEPIC 18V 1.23V - 750mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
MAX1684EEE+

MAX1684EEE+

IC REG BUCK ADJ/1.25V 1A 16QSOP

Analog Devices Inc./Maxim Integrated

117
MAX1684EEE+

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable (Fixed) 1 2.7V Buck 14V 1.25V (3.3V) 14V 1A 300kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QSOP
LTC1474CMS8-3.3#PBF

LTC1474CMS8-3.3#PBF

IC REG BUCK BST 3.3V 750MA 8MSOP

Analog Devices Inc.

4,819
LTC1474CMS8-3.3#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 3V Buck, Buck-Boost, SEPIC 18V 3.3V - 750mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
LTC3114IDHC-1#WPBF

LTC3114IDHC-1#WPBF

IC REG BUCK BOOST ADJ 1A 16DFN

Analog Devices Inc.

156
LTC3114IDHC-1#WPBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x3)
LT1507IS8#PBF

LT1507IS8#PBF

IC REG BUCK ADJ 1.5A 8SO

Analog Devices Inc.

1,381
LT1507IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 16V 2.42V 14.88V 1.5A 500kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
LTC3113IFE#PBF

LTC3113IFE#PBF

IC REG BUCK BOOST ADJ 3A 20TSSOP

Analog Devices Inc.

148
LTC3113IFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) 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 20-TSSOP-EP
LTC3546IFE#PBF

LTC3546IFE#PBF

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

Analog Devices Inc.

268
LTC3546IFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube 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
LTC3114HFE-1#PBF

LTC3114HFE-1#PBF

IC REG BUCK BOOST ADJ 1A 16TSSOP

Analog Devices Inc.

767
LTC3114HFE-1#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-TSSOP-EP
LT3693IDD#TRPBF

LT3693IDD#TRPBF

IC REG BUCK ADJ 3.5A 10DFN

Analog Devices Inc.

1,098
LT3693IDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT1976BIFE#PBF

LT1976BIFE#PBF

IC REG BUCK ADJ 1.2A 16TSSOP

Analog Devices Inc.

155
LT1976BIFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.3V Buck 60V 1.25V 55.2V 1.2A (Switch) 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
MAX639ESA+

MAX639ESA+

IC REG BUCK ADJ/1.3V 225MA 8SOIC

Analog Devices Inc./Maxim Integrated

3,631
MAX639ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable (Fixed) 1 4V Buck 11.5V 1.3V (5V) 11.5V 225mA - - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3374EUHF#PBF

LTC3374EUHF#PBF

IC REG BUCK ADJ 1A 8OUT 38QFN

Analog Devices Inc.

526
LTC3374EUHF#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)
LTC1174CS8-5#PBF

LTC1174CS8-5#PBF

IC REG BUCK BOOST 5V 8SO

Analog Devices Inc.

396
LTC1174CS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 4V Buck, Buck-Boost 13.5V 5V - 340mA, 600mA 200kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC3374AEUHF#PBF

LTC3374AEUHF#PBF

IC REG BUCK ADJ 1A 8OUT 38QFN

Analog Devices Inc.

296
LTC3374AEUHF#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 ~ 125°C (TJ) Surface Mount 38-QFN (5x7)
LTC3112HDHD#PBF

LTC3112HDHD#PBF

IC REG BUCK BOOST ADJ 2.5A 16DFN

Analog Devices Inc.

145
LTC3112HDHD#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 ~ 150°C (TJ) Surface Mount 16-DFN (5x4)
LTC3414EFE#TRPBF

LTC3414EFE#TRPBF

IC REG BUCK ADJ 4A 20TSSOP

Analog Devices Inc.

3,644
LTC3414EFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.8V 5V 4A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-TSSOP-EP
MAX766ESA+

MAX766ESA+

IC REG BUCK BOOST ADJ/-1V 8SOIC

Analog Devices Inc./Maxim Integrated

100
MAX766ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Adjustable (Fixed) 1 3V Buck-Boost 16V -1V (-15V) -16V 105mA 300kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC1475CMS8-3.3#PBF

LTC1475CMS8-3.3#PBF

IC REG BUCK BST 3.3V 750MA 8MSOP

Analog Devices Inc.

3,439
LTC1475CMS8-3.3#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 3V Buck, Buck-Boost, SEPIC 18V 3.3V - 750mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
LT1374IFE#PBF

LT1374IFE#PBF

IC REG BUCK SEPIC ADJ 16TSSOP

Analog Devices Inc.

830
LT1374IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 25V 2.42V 21.5V 4.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-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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