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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
MAX662ACSA+

MAX662ACSA+

IC REG CHARG PUMP 12V 30MA 8SOIC

Analog Devices Inc./Maxim Integrated

2,615
MAX662ACSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Fixed 1 4.5V Charge Pump 5.5V 12V - 30mA 500kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
LT8608SIV#TRMPBF

LT8608SIV#TRMPBF

IC REG BUCK ADJ 1.5A 12LQFN

Analog Devices Inc.

600
LT8608SIV#TRMPBF

Datasheet

Silent Switcher®2 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 42V 0.77V 42V 1.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x3)
LT8608SEV#TRMPBF

LT8608SEV#TRMPBF

IC REG BUCK ADJ 1.5A 12LQFN

Analog Devices Inc.

595
LT8608SEV#TRMPBF

Datasheet

Silent Switcher®2 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 42V 0.77V 42V 1.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x3)
LTC3407AEMSE#TRPBF

LTC3407AEMSE#TRPBF

IC REG BUCK ADJ 600MA DL 10MSOP

Analog Devices Inc.

1,721
LTC3407AEMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) 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
LT3990EMSE#PBF

LT3990EMSE#PBF

IC REG BUCK ADJ 350MA 16MSOP

Analog Devices Inc.

1,241
LT3990EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.2V Buck 62V 1.21V 25V 350mA 210kHz ~ 2.3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3407AEDD#TRPBF

LTC3407AEDD#TRPBF

IC REG BUCK ADJ 600MA DL 10DFN

Analog Devices Inc.

1,217
LTC3407AEDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) 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-DFN (3x3)
LT3970IDDB-5#TRMPBF

LT3970IDDB-5#TRMPBF

IC REG BUCK 5V 350MA 10DFN

Analog Devices Inc.

522
LT3970IDDB-5#TRMPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.2V Buck 40V 5V - 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LT8304ES8E-1#PBF

LT8304ES8E-1#PBF

IC REG FLYBACK ADJ 2A 8SOIC

Analog Devices Inc.

3,589
LT8304ES8E-1#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
MPM54304GMN-0003

MPM54304GMN-0003

IC REG BUCK ADJ QUAD 33LGA

Monolithic Power Systems Inc.

940
MPM54304GMN-0003

Datasheet

MPM 33-PowerFLGA Module Tray Active Step-Down Positive Adjustable 4 4V Buck 16V 0.55V 5.4V 3A, 3A, 2A, 2A 500kHz ~ 1.6MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 33-LGA (7x7)
LT8609BIMSE#PBF

LT8609BIMSE#PBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

601
LT8609BIMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3642EMS8E#PBF

LTC3642EMS8E#PBF

IC REG BUCK ADJ 50MA 8MSOP

Analog Devices Inc.

3,854
LTC3642EMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 45V 0.8V 45V 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LT1961IMS8E#PBF

LT1961IMS8E#PBF

IC REG BST FLYBCK ADJ 1.5A 8MSOP

Analog Devices Inc.

197
LT1961IMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 3V Boost, Flyback, SEPIC 25V 1.2V 35V (Switch) 1.5A (Switch) 1.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
MAX1951ESA+

MAX1951ESA+

IC REG BUCK ADJ 2A 8SOIC

Analog Devices Inc./Maxim Integrated

794
MAX1951ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 2.6V Buck 5.5V 0.8V 5.5V 2A 800kHz ~ 1.1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MPQ4470GL-AEC1-Z

MPQ4470GL-AEC1-Z

IC REG BUCK ADJ 5A 20QFN

Monolithic Power Systems Inc.

4,758
MPQ4470GL-AEC1-Z

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 32.4V 5A 100kHz ~ 1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LTC3604IUD#PBF

LTC3604IUD#PBF

IC REG BUCK ADJ 2.5A 16QFN

Analog Devices Inc.

777
LTC3604IUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 15V 0.6V 14.52V 2.5A 2MHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
TPS55289QWRYQRQ1

TPS55289QWRYQRQ1

IC REG BUCK BOOST ADJ 5A 21VQFN

Texas Instruments

2,337
TPS55289QWRYQRQ1

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 3V Buck-Boost 36V 0.8V 22V 5A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 21-VQFN-HR (3x5)
LT3483AIDC#TRMPBF

LT3483AIDC#TRMPBF

IC REG BUCK BOOST ADJ 340MA 8DFN

Analog Devices Inc.

2,300
LT3483AIDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Negative Adjustable 1 2.5V Buck, Boost, Charge Pump, Flyback 16V -2.5V -38V 340mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT3483IS6#TRMPBF

LT3483IS6#TRMPBF

IC REG BUCK BOOST ADJ TSOT23-6

Analog Devices Inc.

1,133
LT3483IS6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Negative Adjustable 1 2.5V Buck, Boost, Charge Pump, Flyback 16V -2.5V -38V 170mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LT3493EDCB-3#TRMPBF

LT3493EDCB-3#TRMPBF

IC REG BUCK ADJ 1.2A 6DFN

Analog Devices Inc.

644
LT3493EDCB-3#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.8V Buck 36V 0.78V 34.2V 1.2A 750kHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x3)
LT3483IDC#TRMPBF

LT3483IDC#TRMPBF

IC REG BUCK BOOST ADJ 170MA 8DFN

Analog Devices Inc.

539
LT3483IDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Negative Adjustable 1 2.5V Buck, Boost, Charge Pump, Flyback 16V -2.5V -38V 170mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
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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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