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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
LT8616EFE#PBF

LT8616EFE#PBF

IC REG BUCK ADJ DL 28TSSOP

Analog Devices Inc.

265
LT8616EFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.4V Buck 42V 0.79V 41.8V 1.5A, 2.5A 200kHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-TSSOP-EP
LTC3413EFE#TRPBF

LTC3413EFE#TRPBF

IC REG BUCK ADJ 3A 16TSSOP

Analog Devices Inc.

1,118
LTC3413EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 1.125V 5.5V 3A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-TSSOP-EP
LTC7138HMSE#PBF

LTC7138HMSE#PBF

IC REG BUCK ADJ 400MA 16MSOP

Analog Devices Inc.

465
LTC7138HMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable (Programmable) 1 4V Buck 140V 0.8V (1.8V, 3.3V, 5V) 140V 400mA - - No - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT1376HVIS8#TRPBF

LT1376HVIS8#TRPBF

IC REG BUCK SEPIC ADJ 1.5A 8SO

Analog Devices Inc.

5,777
LT1376HVIS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 30V 2.42V 25.8V 1.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
LT8652SEV#PBF

LT8652SEV#PBF

IC REG BUCK 0.6V DL 36LQFN

Analog Devices Inc.

956
LT8652SEV#PBF

Datasheet

Silent Switcher®2 36-TFQFN Exposed Pad Tray Active Step-Down Positive Fixed 2 3V Buck 18V 0.6V - 8.5A, 8.5A 300kHz ~ 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 36-LQFN (4x7)
LT3972EMSE#TRPBF

LT3972EMSE#TRPBF

IC REG BUCK ADJ 3.5A 10MSOP

Analog Devices Inc.

4,405
LT3972EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 33V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3636EUFD#PBF

LTC3636EUFD#PBF

IC REG BUCK ADJ 6A DL 28QFN

Analog Devices Inc.

1,073
LTC3636EUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.1V Buck 20V 0.6V 5V 6A Adjustable - No - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LT3972EMSE#PBF

LT3972EMSE#PBF

IC REG BUCK ADJ 3.5A 10MSOP

Analog Devices Inc.

662
LT3972EMSE#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 ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT1375HVIS8#PBF

LT1375HVIS8#PBF

IC REG BUCK SEPIC ADJ 1.5A 8SO

Analog Devices Inc.

2,516
LT1375HVIS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 30V 2.42V 25.8V 1.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
LTC3616IUDD#PBF

LTC3616IUDD#PBF

IC REG BUCK ADJ 6A 24QFN

Analog Devices Inc.

256
LTC3616IUDD#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)
LT1976EFE#PBF

LT1976EFE#PBF

IC REG BUCK ADJ 1.5A 16TSSOP

Analog Devices Inc.

432
LT1976EFE#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 1.5A (Switch) 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT1977EFE#PBF

LT1977EFE#PBF

IC REG BUCK ADJ 1.5A 16TSSOP

Analog Devices Inc.

3,889
LT1977EFE#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 1.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC7103EUHE#TRPBF

LTC7103EUHE#TRPBF

IC REG BUCK ADJ 2.3A 36QFN

Analog Devices Inc.

4,582
LTC7103EUHE#TRPBF

Datasheet

- 36-WFQFN, 26 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.4V Buck 105V 1V 105V 2.3A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LTC7103EUHE#PBF

LTC7103EUHE#PBF

IC REG BUCK ADJ 2.3A 36QFN

Analog Devices Inc.

1,502
LTC7103EUHE#PBF

Datasheet

- 36-WFQFN, 26 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.4V Buck 105V 1V 105V 2.3A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LTC7103RUHE-1#TRPBF

LTC7103RUHE-1#TRPBF

IC REG BUCK ADJ 2.3A 36QFN

Analog Devices Inc.

1,134
LTC7103RUHE-1#TRPBF

Datasheet

- 36-WFQFN, 26 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.4V Buck 105V 1V 105V 2.3A 200kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LT8315IFE#PBF

LT8315IFE#PBF

IC REG FLYBACK 800MA 20TSSOP

Analog Devices Inc.

385
LT8315IFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad Tube Active Step-Down, Step-Up/Step-Down Positive, Isolation Capable Fixed 1 18V Flyback 560V - - 800mA 220Hz ~ 140kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT3480HMSE#PBF

LT3480HMSE#PBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

4,807
LT3480HMSE#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 20V 2A 200kHz ~ 2.4MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LT1766IFE#PBF

LT1766IFE#PBF

IC REG BUCK ADJ 1.5A 16TSSOP

Analog Devices Inc.

545
LT1766IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 5.5V Buck 60V 1.2V 57.6V 1.5A 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT1956IFE#PBF

LT1956IFE#PBF

IC REG BUCK ADJ 1.5A 16TSSOP

Analog Devices Inc.

121
LT1956IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 5.5V Buck 60V 1.219V 54V 1.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT8642SIV#PBF

LT8642SIV#PBF

IC REG BUCK ADJ 10A 24LQFN

Analog Devices Inc.

1,095
LT8642SIV#PBF

Datasheet

Silent Switcher®1 24-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 2.8V Buck 18V 0.597V 3.3V 10A 200kHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-LQFN (4x4)
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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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