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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
LTC3626EUDC#PBF

LTC3626EUDC#PBF

IC REG BUCK ADJ 2.5A 20QFN

Analog Devices Inc.

492
LTC3626EUDC#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 20V 0.6V 19.4V 2.5A 500KHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LT3579EFE-1#PBF

LT3579EFE-1#PBF

IC REG BST CHRG PUMP ADJ 20TSSOP

Analog Devices Inc.

232
LT3579EFE-1#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.5V Boost, Charge Pump, Cuk, Flyback, SEPIC 16V 1.215V 42V (Switch) 6A (Switch) 200kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LTC1144IN8#PBF

LTC1144IN8#PBF

IC REG CHARG PUMP INV 50MA 8PDIP

Analog Devices Inc.

4,992
LTC1144IN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 2V Charge Pump 18V -Vin, 2Vin, Vin/2 - 50mA 4kHz ~ 10kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
LTC3388IMSE-3#PBF

LTC3388IMSE-3#PBF

IC REG BUCK PROG 50MA 10MSOP

Analog Devices Inc.

198
LTC3388IMSE-3#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Programmable 1 2.7V Buck 20V 2.8V, 3V, 3.3V, 5V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT1108CS8#PBF

LT1108CS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

121
LT1108CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 2V Buck, Boost 30V 1.245V 50V (Switch) 1.5A (Switch) 19kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1107CS8-12#PBF

LT1107CS8-12#PBF

IC REG BUCK BOOST 12V 1.5A 8SO

Analog Devices Inc.

2,640
LT1107CS8-12#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Fixed 1 2V Buck, Boost 30V 12V - 1.5A (Switch) 63kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC3310SIV-1#WTRMPBF

LTC3310SIV-1#WTRMPBF

IC REG BUCK 1V 10A 18LQFN

Analog Devices Inc.

1,500
LTC3310SIV-1#WTRMPBF

Datasheet

Silent Switcher®2 18-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.25V Buck 5.5V 1V - 10A 2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 18-LQFN (3x3)
MAX5080ATE+

MAX5080ATE+

IC REG BUCK ADJ 1A 16TQFN

Analog Devices Inc./Maxim Integrated

272
MAX5080ATE+

Datasheet

- 16-WQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.23V 32V 1A 250kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TQFN (5x5)
LT8331IMSE#WPBF

LT8331IMSE#WPBF

IC REG BOOST FLYBACK ADJ 16MSOP

Analog Devices Inc.

235
LT8331IMSE#WPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 4.5V Boost, Flyback, SEPIC 100V 1.6V, -0.8V 140V (Switch) 500mA (Switch) 100kHz ~ 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
MAX635ACSA+

MAX635ACSA+

IC REG BUCK ADJ/-1.31V 8SOIC

Analog Devices Inc./Maxim Integrated

128
MAX635ACSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down/Inverted Negative Adjustable (Fixed) 1 2.3V Buck 16.5V -1.31V (-5V) -5V 500mA 50kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
MAX637ACSA+

MAX637ACSA+

IC REG BUCK ADJ/-1.31V 8SOIC

Analog Devices Inc./Maxim Integrated

100
MAX637ACSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down/Inverted Negative Adjustable (Fixed) 1 2.3V Buck 16.5V -1.31V (-15V) -15V 200mA 50kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
LT3973HMSE-3.3#PBF

LT3973HMSE-3.3#PBF

IC REG BUCK 3.3V 750MA 10MSOP

Analog Devices Inc.

105
LT3973HMSE-3.3#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 4.2V Buck 42V 3.3V - 750mA 195kHz ~ 2.15MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
MAX5097AAUP+

MAX5097AAUP+

IC REG BUCK ADJ/1.24V 20TSSOP

Analog Devices Inc./Maxim Integrated

222
MAX5097AAUP+

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable (Fixed) 1 5V Buck 40V 1.24V (3.3V) 11V 600mA 330kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LM2587T-12/NOPB

LM2587T-12/NOPB

IC REG BST FLYBCK 12V 5A TO220-5

Texas Instruments

213
LM2587T-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Up, Step-Up/Step-Down Positive Fixed 1 4V Boost, Flyback, Forward Converter 40V 12V - 5A (Switch) 100kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LTC3411EMS#TRPBF

LTC3411EMS#TRPBF

IC REG BUCK BST ADJ 1.25A 10MSOP

Analog Devices Inc.

4,970
LTC3411EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 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-MSOP
LT3959IUHE#PBF

LT3959IUHE#PBF

IC REG BOOST CUK ADJ 6A 36QFN

Analog Devices Inc.

253
LT3959IUHE#PBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 1.6V Boost, Cuk, SEPIC 40V 0.8V 40V (Switch) 6A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LT3684IDD#PBF

LT3684IDD#PBF

IC REG BUCK ADJ 2A 10DFN

Analog Devices Inc.

386
LT3684IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 34V 1.265V 20V 2A 300kHz ~ 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT3506IDHD#PBF

LT3506IDHD#PBF

IC REG BUCK ADJ 1.6A DL 16DFN

Analog Devices Inc.

141
LT3506IDHD#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 25V 0.8V 23.25V 1.6A 575kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x4)
LTC3630AHMSE#PBF

LTC3630AHMSE#PBF

IC REG BUCK ADJ 500MA 16MSOP

Analog Devices Inc.

108
LTC3630AHMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive or Negative Adjustable (Programmable) 1 4V Buck 76V 0.8V (1.8V, 3.3V, 5V) 76V 500mA - - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT8304ES8E#PBF

LT8304ES8E#PBF

IC REG FLYBACK ADJ 2A 8SOIC

Analog Devices Inc.

5,982
LT8304ES8E#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Flyback 100V 1V 150V (Switch) 2A (Switch) 11kHz ~ 350kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-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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