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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
LT3641IUFD#PBF

LT3641IUFD#PBF

IC REG BCK ADJ 1.3A/1.DL 28QFN

Analog Devices Inc.

122
LT3641IUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.5V Buck 42V 0.6V, 1.265V 39.48V 1.3A, 1.1A 500kHz ~ 2MHz - Both - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LT1302CN8#PBF

LT1302CN8#PBF

IC REG BOOST ADJ 2A 8PDIP

Analog Devices Inc.

1,098
LT1302CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up Positive Adjustable 1 2V Boost 8V 2V 25V (Switch) 2A (Switch) 220kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT1302CN8-5#PBF

LT1302CN8-5#PBF

IC REG BOOST 5V 2A 8PDIP

Analog Devices Inc.

4,311
LT1302CN8-5#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up Positive Fixed 1 2V Boost 8V 5V - 2A (Switch) 220kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
MAX738ACWE+

MAX738ACWE+

IC REG BUCK 5V 750MA 16SOIC

Analog Devices Inc./Maxim Integrated

2,288
MAX738ACWE+

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Active Step-Down Positive Fixed 1 6V Buck 16V 5V - 750mA 160kHz - No - 0°C ~ 70°C (TA) Surface Mount 16-SOIC
MAX639CSA+

MAX639CSA+

IC REG BUCK ADJ/1.3V 225MA 8SOIC

Analog Devices Inc./Maxim Integrated

1,120
MAX639CSA+

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 - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
MAX640CSA+

MAX640CSA+

IC REG BUCK ADJ/1.3V 225MA 8SOIC

Analog Devices Inc./Maxim Integrated

4,939
MAX640CSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable (Fixed) 1 4V Buck 11.5V 1.3V (3.3V) 11.5V 225mA - - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
LTC3520IUF#PBF

LTC3520IUF#PBF

IC REG BUCK BOOST ADJ DL 24QFN

Analog Devices Inc.

104
LTC3520IUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 2 2.2V Buck, Buck-Boost 5.5V 0.8V 5.5V 600mA, 1A 100kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x4)
LT1076IT#PBF

LT1076IT#PBF

IC REG BUCK BOOST ADJ 2A TO220-5

Analog Devices Inc.

3,506
LT1076IT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 45V 2.5V 35V 2A (Switch) 100kHz - No - -40°C ~ 85°C (TA) Through Hole TO-220-5
LTC3315AMPV#TRMPBF

LTC3315AMPV#TRMPBF

IC REG BUCK 0.5V 2A DL 12LQFN

Analog Devices Inc.

736
LTC3315AMPV#TRMPBF

Datasheet

- 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 2 2.25V Buck 5.5V 0.5V 5.5V 2A 1MHz ~ 3MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 12-LQFN (2x2)
LT8315EFE#TRPBF

LT8315EFE#TRPBF

IC REG FLYBACK 800MA 20TSSOP

Analog Devices Inc.

1,726
LT8315EFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad Tape & Reel (TR) 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
LTC3111HDE#PBF

LTC3111HDE#PBF

IC REG BUCK BOOST ADJ 1.5A 14DFN

Analog Devices Inc.

122
LTC3111HDE#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 15V 2.5V 15V 1.5A 800kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-DFN (4x3)
LTC1474CS8#PBF

LTC1474CS8#PBF

IC REG BUCK BOOST ADJ 750MA 8SO

Analog Devices Inc.

110
LTC1474CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm 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-SO
LTC1474CS8-5#PBF

LTC1474CS8-5#PBF

IC REG BUCK BOOST 5V 750MA 8SO

Analog Devices Inc.

100
LTC1474CS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 3V Buck, Buck-Boost, SEPIC 18V 5V - 750mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC3374AHFE#PBF

LTC3374AHFE#PBF

IC REG BUCK ADJ 1A 8OUT 38TSSOP

Analog Devices Inc.

1,210
LTC3374AHFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 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-TSSOP-EP
LTC3416EFE#PBF

LTC3416EFE#PBF

IC REG BUCK ADJ 4A 20TSSOP

Analog Devices Inc.

4,958
LTC3416EFE#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 - -40°C ~ 85°C (TA) Surface Mount 20-TSSOP-EP
LT3992IFE#PBF

LT3992IFE#PBF

IC REG BUCK ADJ 3A DL 38TSSOP

Analog Devices Inc.

3,267
LT3992IFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3V Buck 60V 0.8V 57V 3A 110kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 38-TSSOP-EP
LTC3622IDE-23/5#PBF

LTC3622IDE-23/5#PBF

IC REG BUCK 3.3V/5V 1A DL 14DFN

Analog Devices Inc.

2,032
LTC3622IDE-23/5#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 2 2.7V Buck 17V 3.3V, 5V - 1A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
LT8610ABIMSE-3.3#PBF

LT8610ABIMSE-3.3#PBF

IC REG BUCK 3.3V 3.5A 16MSOP

Analog Devices Inc.

354
LT8610ABIMSE-3.3#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 3.4V Buck 42V 3.3V - 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8610AIMSE-5#PBF

LT8610AIMSE-5#PBF

IC REG BUCK 5V 3.5A 16MSOP

Analog Devices Inc.

162
LT8610AIMSE-5#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 3.4V Buck 42V 5V - 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8610ACIMSE-1#PBF

LT8610ACIMSE-1#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

101
LT8610ACIMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.8V 42V 3.5A 1.5MHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-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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