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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
LT3482EUD#PBF

LT3482EUD#PBF

IC REG BST CHARGE PUMP ADJ 16QFN

Analog Devices Inc.

424
LT3482EUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 2.5V Boost, Charge Pump 16V 5V 90V 280mA (Switch) 650kHz ~ 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 16-QFN (3x3)
LT8302ES8E#TRPBF

LT8302ES8E#TRPBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

7,525
LT8302ES8E#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 2.8V Flyback 42V - - 3.6A Down to 12kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
LT8302ES8E#PBF

LT8302ES8E#PBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

1,491
LT8302ES8E#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 2.8V Flyback 42V - - 3.6A Down to 12kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
LT3501EFE#PBF

LT3501EFE#PBF

IC REG BUCK ADJ 3A DL 20TSSOP

Analog Devices Inc.

570
LT3501EFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.1V Buck 25V 0.8V 23.75V 3A 250kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT3508EFE#TRPBF

LT3508EFE#TRPBF

IC REG BUCK ADJ 1.4A DL 16TSSOP

Analog Devices Inc.

8,737
LT3508EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3.7V Buck 36V 0.8V 35.28V 1.4A 920kHz ~ 1.06MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3111EDE#TRPBF

LTC3111EDE#TRPBF

IC REG BUCK BOOST ADJ 1.5A 14DFN

Analog Devices Inc.

6,048
LTC3111EDE#TRPBF

Datasheet

- 14-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 15V 2.5V 15V 1.5A 800kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
LT3504EUFD#PBF

LT3504EUFD#PBF

IC REG BUCK ADJ 1A QUAD 28QFN

Analog Devices Inc.

4,360
LT3504EUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 4 3.2V Buck 40V 0.8V 40V 1A 250kHz ~ 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LT3508EFE#PBF

LT3508EFE#PBF

IC REG BUCK ADJ 1.4A DL 16TSSOP

Analog Devices Inc.

3,569
LT3508EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.7V Buck 36V 0.8V 35.28V 1.4A 920kHz ~ 1.06MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT3504EUFD#TRPBF

LT3504EUFD#TRPBF

IC REG BUCK ADJ 1A QUAD 28QFN

Analog Devices Inc.

816
LT3504EUFD#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 4 3.2V Buck 40V 0.8V 40V 1A 250kHz ~ 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LTC3111EDE#PBF

LTC3111EDE#PBF

IC REG BUCK BOOST ADJ 1.5A 14DFN

Analog Devices Inc.

572
LTC3111EDE#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 ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
LM2587T-ADJ/NOPB

LM2587T-ADJ/NOPB

IC REG BST FLYBCK ADJ 5A TO220-5

Texas Instruments

541
LM2587T-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 4V Boost, Flyback, Forward Converter 40V 1.23V 60V 5A (Switch) 100kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LTC3411EDD#TRPBF

LTC3411EDD#TRPBF

IC REG BUCK BST ADJ 1.25A 10DFN

Analog Devices Inc.

10,346
LTC3411EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down, Step-Up/Step-Down Positive Adjustable 1 2.625V Buck, Buck-Boost 5.5V 0.8V 5V 1.25A 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LT3958IUHE#TRPBF

LT3958IUHE#TRPBF

IC REG BOOST CUK ADJ 3.3A 36QFN

Analog Devices Inc.

2,333
LT3958IUHE#TRPBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 5V Boost, Cuk, Flyback, SEPIC 80V 1.6V 84V (Switch) 3.3A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LTC3411EMS#PBF

LTC3411EMS#PBF

IC REG BUCK BST ADJ 1.25A 10MSOP

Analog Devices Inc.

1,132
LTC3411EMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 1 2.625V Buck, Buck-Boost 5.5V 0.8V 5V 1.25A 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-MSOP
LTC3411EDD#PBF

LTC3411EDD#PBF

IC REG BUCK BST ADJ 1.25A 10DFN

Analog Devices Inc.

969
LTC3411EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 1 2.625V Buck, Buck-Boost 5.5V 0.8V 5V 1.25A 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LTC3637IMSE#PBF

LTC3637IMSE#PBF

IC REG BUCK ADJ 1A 16MSOP

Analog Devices Inc.

860
LTC3637IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 76V 0.8V 76V 1A - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3958IUHE#PBF

LT3958IUHE#PBF

IC REG BOOST CUK ADJ 3.3A 36QFN

Analog Devices Inc.

788
LT3958IUHE#PBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 5V Boost, Cuk, Flyback, SEPIC 80V 1.6V 84V (Switch) 3.3A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LTC3413IFE#PBF

LTC3413IFE#PBF

IC REG BUCK ADJ 3A 16TSSOP

Analog Devices Inc.

1,714
LTC3413IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube 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
LTC3533EDE#TRPBF

LTC3533EDE#TRPBF

IC REG BUCK BOOST ADJ 2A 14DFN

Analog Devices Inc.

14,066
LTC3533EDE#TRPBF

Datasheet

- 14-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down Positive Adjustable 1 1.8V Buck, Boost 5.5V 1.8V 5.25V 2A 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-DFN (4x3)
LTC3630IMSE#TRPBF

LTC3630IMSE#TRPBF

IC REG BUCK ADJ 500MA 16MSOP

Analog Devices Inc.

8,161
LTC3630IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive or Negative Adjustable (Programmable) 1 4V Buck 65V 0.8V (1.8V, 3.3V, 5V) 65V 500mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
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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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