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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
LT1934IS6#TRPBF

LT1934IS6#TRPBF

IC REG BUCK ADJ 300MA TSOT23-6

Analog Devices Inc.

4,973
LT1934IS6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.2V Buck 34V 1.25V 29.92V 300mA - - No - -40°C ~ 125°C (TA) Surface Mount TSOT-23-6
ADP2116ACPZ-R7

ADP2116ACPZ-R7

IC REG BUCK ADJ SGL/DL 32LFCSP

Analog Devices Inc.

1,729
ADP2116ACPZ-R7

Datasheet

- 32-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 or 2 2.75V Buck 5.5V 0.6V (0.8V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V) 5.5V 6A, 3A/3A, 3A/2A 300kHz, 600kHz, 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-LFCSP-WQ (5x5)
LT1934IS6-1#TRMPBF

LT1934IS6-1#TRMPBF

IC REG BUCK ADJ 60MA TSOT23-6

Analog Devices Inc.

1,115
LT1934IS6-1#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.2V Buck 34V 1.25V 29.92V 60mA - - No - -40°C ~ 125°C (TA) Surface Mount TSOT-23-6
LT1507CS8#PBF

LT1507CS8#PBF

IC REG BUCK ADJ 1.5A 8SO

Analog Devices Inc.

287
LT1507CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 16V 2.42V 14.88V 1.5A 500kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1375CS8-5#PBF

LT1375CS8-5#PBF

IC REG BUCK SEPIC 5V 1.5A 8SO

Analog Devices Inc.

147
LT1375CS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 5V Buck, SEPIC 25V 5V - 1.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LTC3632IMS8E#PBF

LTC3632IMS8E#PBF

IC REG BUCK ADJ 20MA 8MSOP

Analog Devices Inc.

184
LTC3632IMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive or Negative Adjustable 1 4.5V Buck 50V 0.8V 50V 20mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LT8580HDD#PBF

LT8580HDD#PBF

IC REG BOOST CUK ADJ 1.2A 8DFN

Analog Devices Inc.

1,057
LT8580HDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.9V Boost, Cuk, SEPIC 40V 1.2V 65V (Switch) 1.2A (Switch) 200kHz ~ 1.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-DFN (3x3)
LT8580HMS8E#PBF

LT8580HMS8E#PBF

IC REG BOOST CUK ADJ 1.2A 8MSOP

Analog Devices Inc.

229
LT8580HMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.9V Boost, Cuk, SEPIC 40V 1.2V 65V (Switch) 1.2A (Switch) 200kHz ~ 1.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-MSOP-EP
TPS57114MRTETEP

TPS57114MRTETEP

IC REG BUCK ADJ 3.5A 16WQFN

Texas Instruments

1,223
TPS57114MRTETEP

Datasheet

SWIFT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 6V 0.8V 4.5V 3.5A 200kHz ~ 2MHz - Yes - -55°C ~ 125°C (TA) Surface Mount 16-WQFN (3x3)
LTC3646EMSE#PBF

LTC3646EMSE#PBF

IC REG BUCK ADJ 1A 16MSOP

Analog Devices Inc.

2,780
LTC3646EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 2V 30V 1A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT1976BEFE#PBF

LT1976BEFE#PBF

IC REG BUCK ADJ 1.2A 16TSSOP

Analog Devices Inc.

1,604
LT1976BEFE#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 1.2A (Switch) 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT8494EFE#PBF

LT8494EFE#PBF

IC REG BST CHRG PUMP ADJ 20TSSOP

Analog Devices Inc.

357
LT8494EFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, Charge Pump, Flyback, SEPIC 60V 1.202V 70V (Switch) 2A 250kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT1107CS8#PBF

LT1107CS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

126
LT1107CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 2V Buck, Boost 30V 1.25V 50V (Switch) 1.5A (Switch) 63kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC3646EMSE-1#PBF

LTC3646EMSE-1#PBF

IC REG BUCK ADJ 1A 16MSOP

Analog Devices Inc.

112
LTC3646EMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 0.6V 15V 1A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT8494EUF#PBF

LT8494EUF#PBF

IC REG BST CHARGE PUMP ADJ 20QFN

Analog Devices Inc.

4,673
LT8494EUF#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, Charge Pump, Flyback, SEPIC 60V 1.202V 70V (Switch) 2A 250kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (4x4)
UCD74120RVFT

UCD74120RVFT

IC REG BUCK 25A 40LQFN

Texas Instruments

990
UCD74120RVFT

Datasheet

- 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive - 1 4.7V Buck 14V - - 25A Up to 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
TPS548B22RVFT

TPS548B22RVFT

IC REG BUCK ADJ 25A 40LQFN

Texas Instruments

1,998
TPS548B22RVFT

Datasheet

SWIFT™, D-CAP3™, Eco-Mode™ 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 18V 0.6V 5.5V 25A Selectable - Yes - -40°C ~ 125°C (TA) Surface Mount 40-LQFN-CLIP (7x5)
LTC3407EMSE#PBF

LTC3407EMSE#PBF

IC REG BUCK ADJ 600MA DL 10MSOP

Analog Devices Inc.

3,335
LTC3407EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5V 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-MSOP-EP
LTC3290HMSE#PBF

LTC3290HMSE#PBF

IC REG BOOST ADJ 50MA 10MSOP

Analog Devices Inc.

150
LTC3290HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up Positive Adjustable 1 4.5V Boost 55V 1V 55V 50mA - - No - -55°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LTC3440EDD#PBF

LTC3440EDD#PBF

IC REG BUCK BST ADJ 600MA 10DFN

Analog Devices Inc.

1,095
LTC3440EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 5.5V 2.5V 5.5V 600mA 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
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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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