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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
LT8613IUDE#TRPBF

LT8613IUDE#TRPBF

IC REG BUCK ADJ 6A 28QFN

Analog Devices Inc.

6,197
LT8613IUDE#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive or Negative Adjustable 1 3.4V Buck 42V 0.97V 41.58V 6A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (3x6)
LT8613IUDE#PBF

LT8613IUDE#PBF

IC REG BUCK ADJ 6A 28QFN

Analog Devices Inc.

2,805
LT8613IUDE#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive or Negative Adjustable 1 3.4V Buck 42V 0.97V 41.58V 6A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (3x6)
LT1374CR-5#PBF

LT1374CR-5#PBF

IC REG BCK SEPIC 5V 4.5A DDPAK-7

Analog Devices Inc.

305
LT1374CR-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 - 0°C ~ 125°C (TJ) Surface Mount DDPAK-7
LT1374CR#PBF

LT1374CR#PBF

IC REG BUCK SEPIC ADJ 4.5A DDPAK

Analog Devices Inc.

250
LT1374CR#PBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA 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) Surface Mount DDPAK-7
LTC3376IY#PBF

LTC3376IY#PBF

IC REG BUCK ADJ 12A QUAD 64BGA

Analog Devices Inc.

3,850
LTC3376IY#PBF

Datasheet

- 64-LFBGA Tray Active Step-Down Positive Adjustable 4 3V Buck 20V 0.4V 16.6V 12A 2MHz - Yes - -40°C ~ 125°C Surface Mount 64-BGA (7x7)
LT8646SEV#PBF

LT8646SEV#PBF

IC REG BUCK ADJ 8A 32LQFN

Analog Devices Inc.

2,514
LT8646SEV#PBF

Datasheet

Silent Switcher®2 32-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 65V 0.97V 65V 8A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-LQFN (6x4)
LTC3115IDHD-1#TRPBF

LTC3115IDHD-1#TRPBF

IC REG BUCK BST ADJ 1A/2A 16DFN

Analog Devices Inc.

2,142
LTC3115IDHD-1#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A, 2A 100kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x4)
LT8645SHV-2#PBF

LT8645SHV-2#PBF

IC REG BUCK ADJ 8A 32LQFN

Analog Devices Inc.

773
LT8645SHV-2#PBF

Datasheet

Silent Switcher®2 32-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 65V 0.97V 65V 8A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 32-LQFN (6x4)
LTC3115IDHD-1#PBF

LTC3115IDHD-1#PBF

IC REG BUCK BST ADJ 1A/2A 16DFN

Analog Devices Inc.

501
LTC3115IDHD-1#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A, 2A 100kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x4)
LTC3649EFE#TRPBF

LTC3649EFE#TRPBF

IC REG BUCK ADJ 4A 28TSSOP

Analog Devices Inc.

1,525
LTC3649EFE#TRPBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.1V Buck 60V 0V 55V 4A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-TSSOP-EP
LTC7149EFE#PBF

LTC7149EFE#PBF

IC REG BUCK ADJ 4A 28TSSOP

Analog Devices Inc.

598
LTC7149EFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Negative Adjustable 1 3.4V Buck 60V 0V -28V 4A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-TSSOP-EP
LT8648SJV#PBF

LT8648SJV#PBF

IC REG BUCK ADJ 15A 36LQFN

Analog Devices Inc.

2,838
LT8648SJV#PBF

Datasheet

Silent Switcher®2 36-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3V Buck 42V 0.6V 42V 15A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 36-LQFN (7x4)
LT1170HVCT#PBF

LT1170HVCT#PBF

IC REG BUCK BOOST ADJ 5A TO220-5

Analog Devices Inc.

2,607
LT1170HVCT#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) 5A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5
LT8650SIV#TRPBF

LT8650SIV#TRPBF

IC REG BUCK ADJ 4A DL 32LQFN

Analog Devices Inc.

2,450
LT8650SIV#TRPBF

Datasheet

Silent Switcher®2 32-TFQFN Exposed Pad, 28 Leads Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.6V Buck 42V 0.8V 42V 4A 300kHz ~ 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 32-LQFN (6x4)
LT8650SIV#PBF

LT8650SIV#PBF

IC REG BUCK ADJ 4A DL 32LQFN

Analog Devices Inc.

1,041
LT8650SIV#PBF

Datasheet

Silent Switcher®2 32-TFQFN Exposed Pad, 28 Leads Tray Active Step-Down Positive Adjustable 2 2.6V Buck 42V 0.8V 42V 4A 300kHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-LQFN (6x4)
LT1070CT#PBF

LT1070CT#PBF

IC REG BUCK BOOST ADJ 5A TO220-5

Analog Devices Inc.

318
LT1070CT#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) 5A (Switch) 40kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5
LT1170CT#PBF

LT1170CT#PBF

IC REG BUCK BOOST ADJ 5A TO220-5

Analog Devices Inc.

3,653
LT1170CT#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) 5A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5
LT3430IFE#TRPBF

LT3430IFE#TRPBF

IC REG BUCK SEPIC ADJ 3A 16TSSOP

Analog Devices Inc.

4,683
LT3430IFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.5V Buck, SEPIC 60V 1.219V 57.6V 3A 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT3431IFE#PBF

LT3431IFE#PBF

IC REG BUCK ADJ 3A 16TSSOP

Analog Devices Inc.

381
LT3431IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 5.5V Buck 60V 1.219V 55.2V 3A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC7150SIY#PBF

LTC7150SIY#PBF

IC REG BUCK ADJ 20A 42BGA

Analog Devices Inc.

449
LTC7150SIY#PBF

Datasheet

- 42-LFBGA Tray Active Step-Down Positive Adjustable 1 3.1V Buck 20V 0.6V 5.5V 20A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 42-BGA (6x5)
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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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