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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
LTC1174HVCS8-5#PBF

LTC1174HVCS8-5#PBF

IC REG BUCK BOOST 5V 8SO

Analog Devices Inc.

151
LTC1174HVCS8-5#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 18.5V 5V - 340mA, 600mA 200kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC1174HVCS8-3.3#PBF

LTC1174HVCS8-3.3#PBF

IC REG BUCK BOOST 3.3V 8SO

Analog Devices Inc.

100
LTC1174HVCS8-3.3#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 18.5V 3.3V - 340mA, 600mA 200kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC1174HVCS8#PBF

LTC1174HVCS8#PBF

IC REG BUCK BOOST ADJ 8SO

Analog Devices Inc.

4,449
LTC1174HVCS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 4V Buck, Buck-Boost 18.5V 1.25V 18V 340mA, 600mA 200kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1172HVCQ#PBF

LT1172HVCQ#PBF

IC REG BCK BST ADJ 1.25A DDPAK-5

Analog Devices Inc.

663
LT1172HVCQ#PBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA 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) 1.25A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Surface Mount DDPAK-5
LT1374CS8-5#PBF

LT1374CS8-5#PBF

IC REG BUCK SEPIC 5V 4.5A 8SO

Analog Devices Inc.

701
LT1374CS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 5V Buck, SEPIC 25V 5V - 4.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT1506CS8#PBF

LT1506CS8#PBF

IC REG BUCK ADJ 4.5A 8SO

Analog Devices Inc.

700
LT1506CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 15V 2.42V 13.95V 4.5A 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT3435EFE#PBF

LT3435EFE#PBF

IC REG BUCK ADJ 3A 16TSSOP

Analog Devices Inc.

149
LT3435EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 60V 1.25V 55.2V 3A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT8602EUJ#PBF

LT8602EUJ#PBF

IC REG BUCK ADJ QUAD 40QFN

Analog Devices Inc.

2,623
LT8602EUJ#PBF

Datasheet

- 40-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 4 2.6V Buck 42V 0.8V, 1V 42V 1.5A, 1.8A, 2.5A 250kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-QFN (6x6)
LTC3374AIUHF#PBF

LTC3374AIUHF#PBF

IC REG BUCK ADJ 1A 8OUT 38QFN

Analog Devices Inc.

983
LTC3374AIUHF#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)
LT3680HMSE#PBF

LT3680HMSE#PBF

IC REG BUCK ADJ 3.5A 10MSOP

Analog Devices Inc.

4,933
LT3680HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LT1371CR#TRPBF

LT1371CR#TRPBF

IC REG BUCK BOOST ADJ 3A DDPAK-7

Analog Devices Inc.

2,342
LT1371CR#TRPBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA 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) 3A (Switch) 500kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-7
LTC3375EUK#PBF

LTC3375EUK#PBF

IC REG BUCK ADJ 1A 8OUT 48QFN

Analog Devices Inc.

135
LTC3375EUK#PBF

Datasheet

- 48-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 8 2.7V Buck 5.5V 0.425V 5.5V 1A 2MHz - No - -40°C ~ 150°C (TJ) Surface Mount 48-QFN (7x7)
LT8640JUDCF-1#WPBF

LT8640JUDCF-1#WPBF

IC REG BUCK ADJ 5A 20QFN

Analog Devices Inc.

121
LT8640JUDCF-1#WPBF

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 AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (3x4)
LT1082CN8#PBF

LT1082CN8#PBF

IC REG BUCK BST ADJ 1.07A 8PDIP

Analog Devices Inc.

1,496
LT1082CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) 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 8-PDIP
LT1176CSW#PBF

LT1176CSW#PBF

IC REG BCK FLYBACK ADJ 1.2A 20SO

Analog Devices Inc.

4,285
LT1176CSW#PBF

Datasheet

- 20-SOIC (0.295", 7.50mm Width) 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) Surface Mount 20-SO
LT3972HMSE#PBF

LT3972HMSE#PBF

IC REG BUCK ADJ 3.5A 10MSOP

Analog Devices Inc.

1,177
LT3972HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 33V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LT1374CT7-5#PBF

LT1374CT7-5#PBF

IC REG BCK SEPIC 5V 4.5A TO220-7

Analog Devices Inc.

2,251
LT1374CT7-5#PBF

Datasheet

- TO-220-7 Formed Leads Tube Active Step-Down Positive Fixed 1 5V Buck, SEPIC 25V 5V - 4.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Through Hole TO-220-7
LT1374CT7#PBF

LT1374CT7#PBF

IC REG BUCK SEPIC ADJ 4.5A TO220

Analog Devices Inc.

1,045
LT1374CT7#PBF

Datasheet

- TO-220-7 Formed Leads Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 25V 2.42V 21.5V 4.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Through Hole TO-220-7
MAX758ACPA+

MAX758ACPA+

IC REG BUCK ADJ 750MA 8PDIP

Analog Devices Inc./Maxim Integrated

1,559
MAX758ACPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Adjustable 1 4V Buck 16V 1.22V 16V 750mA 160kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT3430EFE-1#PBF

LT3430EFE-1#PBF

IC REG BUCK SEPIC ADJ 3A 16TSSOP

Analog Devices Inc.

268
LT3430EFE-1#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 5.5V Buck, SEPIC 60V 1.219V 58.8V 3A 100kHz - No - 0°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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