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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
LT1170CT#06PBF

LT1170CT#06PBF

IC REG BUCK BOOST ADJ 5A TO220-5

Analog Devices Inc.

1,530
LT1170CT#06PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V 1.244V 65V (Switch) 5A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5 Flow 6
LTC3118IUFD#PBF

LTC3118IUFD#PBF

IC REG BUCK BOOST ADJ 2A 24QFN

Analog Devices Inc.

650
LTC3118IUFD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 18V 2V 18V 2A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x5)
LT1082CT#PBF

LT1082CT#PBF

IC REG BCK BST ADJ 1.07A TO220-5

Analog Devices Inc.

329
LT1082CT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Buck, Boost, Flyback, Forward Converter 75V 1.244V 100V (Switch) 1.07A (Switch) 12kHz ~ 60kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5
LT1074HVCT#06PBF

LT1074HVCT#06PBF

IC REG BUCK BST ADJ 5.5A TO220-5

Analog Devices Inc.

2,097
LT1074HVCT#06PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 64V 2.5V 35V 5.5A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Through Hole TO-220-5 Flow 6
MAX5090BATE+

MAX5090BATE+

IC REG BUCK 5V 2A 16TQFN

Analog Devices Inc./Maxim Integrated

4,342
MAX5090BATE+

Datasheet

- 16-WQFN Exposed Pad Tube Active Step-Down Positive Fixed 1 6.5V Buck 76V 5V - 2A 127kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TQFN (5x5)
MAX1623EAP+

MAX1623EAP+

IC REG BUCK ADJ 3A 20SSOP

Analog Devices Inc./Maxim Integrated

632
MAX1623EAP+

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Active Step-Down Positive Adjustable (Programmable) 1 4.5V Buck 5.5V 1.1V (2.525V, 3.33V) 3.8V 3A Up to 350kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-SSOP
LTC3412AMPFE#PBF

LTC3412AMPFE#PBF

IC REG BUCK ADJ 3A 16TSSOP

Analog Devices Inc.

3,559
LTC3412AMPFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.8V 5V 3A 300kHz ~ 4MHz - Yes - -55°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3415EUHF#PBF

LTC3415EUHF#PBF

IC REG BUCK ADJ 7A 38QFN

Analog Devices Inc.

1,126
LTC3415EUHF#PBF

Datasheet

PolyPhase® 38-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.375V Buck 5.5V 0.6V 5.5V 7A 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 38-QFN (5x7)
LT1374IR-5#PBF

LT1374IR-5#PBF

IC REG BCK SEPIC 5V 4.5A DDPAK-7

Analog Devices Inc.

152
LT1374IR-5#PBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 5V Buck, SEPIC 25V 5V - 4.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount DDPAK-7
LTC3118IFE#PBF

LTC3118IFE#PBF

IC REG BUCK BOOST ADJ 2A 28TSSOP

Analog Devices Inc.

3,403
LTC3118IFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 18V 2V 18V 2A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-TSSOP-EP
LT1074CT7#06PBF

LT1074CT7#06PBF

IC REG BUCK BST ADJ 5.5A TO220-7

Analog Devices Inc.

160
LT1074CT7#06PBF

Datasheet

- TO-220-7 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 45V 2.5V 35V 5.5A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Through Hole TO-220-7 Flow 6
LT1071IT#PBF

LT1071IT#PBF

IC REG BUCK BST ADJ 2.5A TO220-5

Analog Devices Inc.

106
LT1071IT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 60V 1.25V 65V (Switch) 2.5A (Switch) 40kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LT1374HVIS8#PBF

LT1374HVIS8#PBF

IC REG BUCK SEPIC ADJ 4.5A 8SO

Analog Devices Inc.

170
LT1374HVIS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 32V 2.42V 27.52V 4.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
LT1171HVCT#PBF

LT1171HVCT#PBF

IC REG BUCK BST ADJ 2.5A TO220-5

Analog Devices Inc.

498
LT1171HVCT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 60V 1.244V 75V (Switch) 2.5A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5
LTC3414MPFE#PBF

LTC3414MPFE#PBF

IC REG BUCK ADJ 4A 20TSSOP

Analog Devices Inc.

422
LTC3414MPFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.8V 5V 4A 1MHz - Yes - -55°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT1076HVCT-5#PBF

LT1076HVCT-5#PBF

IC REG BUCK BOOST 5V 2A TO220-5

Analog Devices Inc.

3,779
LT1076HVCT-5#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 8V Buck, Boost, Flyback 64V 5V - 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Through Hole TO-220-5
LT1533IS#PBF

LT1533IS#PBF

IC REG PUSH-PULL ADJ 1A 16SO

Analog Devices Inc.

1,221
LT1533IS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 2.7V Push-Pull 23V 1.25V 30V (Switch) 1A (Switch) 20kHz ~ 250kHz - No - -40°C ~ 100°C (TJ) Surface Mount 16-SO
SIC931BED-T1-GE3

SIC931BED-T1-GE3

IC REG BUCK ADJ PWRPAK MLP60-A6C

Vishay Siliconix

1,940
SIC931BED-T1-GE3

Datasheet

microBUCK® 60-PowerBFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 5.5V 20A 600kHz, 1MHz, 1.5MHz, 2MHz - Yes - -40°C ~ 105°C (TA) Surface Mount PowerPAK® MLP60-A6C
LT1171IT#PBF

LT1171IT#PBF

IC REG BUCK BST ADJ 2.5A TO220-5

Analog Devices Inc.

4,627
LT1171IT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V 1.244V 65V (Switch) 2.5A (Switch) 100kHz - No - -40°C ~ 100°C (TJ) Through Hole TO-220-5
LT1170CQ#TRPBF

LT1170CQ#TRPBF

IC REG BUCK BOOST ADJ 5A DDPAK-5

Analog Devices Inc.

1,332
LT1170CQ#TRPBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V 1.244V 65V (Switch) 5A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Surface Mount DDPAK-5
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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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