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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
LMQ644A2QRXARQ1

LMQ644A2QRXARQ1

IC REG BUCK ADJ 6A/6A 24VQFN

Texas Instruments

1,798
LMQ644A2QRXARQ1

Datasheet

- 24-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 36V 0.8V 20V 6A, 6A 100kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 24-VQFN-FCRLF (4x5)
TPS55165QPWPRQ1

TPS55165QPWPRQ1

IC REG BUCK BST 5V/12V 20HTSSOP

Texas Instruments

1,303
TPS55165QPWPRQ1

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 3.6V Buck-Boost 36V 5V, 12V - 1A 2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 20-HTSSOP
TPS56121DQPR

TPS56121DQPR

IC REG BUCK ADJ 15A 22LSON-CLIP

Texas Instruments

1,129
TPS56121DQPR

Datasheet

SWIFT™ 22-PowerLFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 14V 0.6V 13.02V 15A 300kHz, 500kHz, 950kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 22-LSON-CLIP (6x5)
TPS54560QDDARQ1

TPS54560QDDARQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

3,014
TPS54560QDDARQ1

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 58.8V 5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
TPS54560BQDDAQ1

TPS54560BQDDAQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

1,476
TPS54560BQDDAQ1

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 58.8V 5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
TPS55289RYQR

TPS55289RYQR

IC REG BUCK BST ADJ 6.35A 21VQFN

Texas Instruments

9,518
TPS55289RYQR

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 3V Buck-Boost 30V 0.8V 22V 6.35A (Switch) 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-VQFN-HR (3x5)
TPS552882QWRPMRQ1

TPS552882QWRPMRQ1

IC REG BUCK BOOST ADJ 16A 26VQFN

Texas Instruments

8,377
TPS552882QWRPMRQ1

Datasheet

- 26-PowerVFQFN Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.7V Buck-Boost 36V 0.8V 22V 16A (Switch) 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 26-VQFN-HR (4x3.5)
LM2576HVT-5.0/NOPB

LM2576HVT-5.0/NOPB

IC REG BUCK 5V 3A TO220-5

Texas Instruments

1,140
LM2576HVT-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Fixed 1 4V Buck 60V 5V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2576HVT-ADJ/NOPB

LM2576HVT-ADJ/NOPB

IC REG BUCK ADJ 3A TO220-5

Texas Instruments

1,040
LM2576HVT-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Adjustable 1 4V Buck 60V 1.23V 57V 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LT3495BEDDB#TRMPBF

LT3495BEDDB#TRMPBF

IC REG BST SEPIC ADJ 550MA 10DFN

Analog Devices Inc.

7,312
LT3495BEDDB#TRMPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, SEPIC 16V 2.5V 40V (Switch) 550mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LT8410EDC-1#TRMPBF

LT8410EDC-1#TRMPBF

IC REG BOOST ADJ 6MA 8DFN

Analog Devices Inc.

3,133
LT8410EDC-1#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 16V 1.235V 40V (Switch) 6mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT8410EDC#TRMPBF

LT8410EDC#TRMPBF

IC REG BOOST ADJ 20MA 8DFN

Analog Devices Inc.

2,877
LT8410EDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 16V 1.235V 40V (Switch) 20mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT3495BEDDB#TRPBF

LT3495BEDDB#TRPBF

IC REG BST SEPIC ADJ 550MA 10DFN

Analog Devices Inc.

2,558
LT3495BEDDB#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, SEPIC 16V 2.5V 40V (Switch) 550mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LT3495BEDDB-1#TRPBF

LT3495BEDDB-1#TRPBF

IC REG BST SEPIC ADJ 275MA 10DFN

Analog Devices Inc.

1,929
LT3495BEDDB-1#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, SEPIC 16V 2.5V 40V (Switch) 275mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LM21215AMHX-1/NOPB

LM21215AMHX-1/NOPB

IC REG BUCK ADJ 15A 20HTSSOP

Texas Instruments

1,058
LM21215AMHX-1/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.6V 5.5V 15A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM2678S-ADJ/NOPB

LM2678S-ADJ/NOPB

IC REG BUCK ADJ 5A TO263

Texas Instruments

853
LM2678S-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Adjustable 1 8V Buck 40V 1.21V 37V 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2678S-12/NOPB

LM2678S-12/NOPB

IC REG BUCK 12V 5A TO263

Texas Instruments

507
LM2678S-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 15V Buck 40V 12V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LT1618EMS#TRPBF

LT1618EMS#TRPBF

IC REG BOOST ADJ 1.5A 10MSOP

Analog Devices Inc.

9,310
LT1618EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.6V Boost 18V 1.263V 36V (Switch) 1.5A (Switch) 1.4MHz - No - 0°C ~ 70°C (TA) Surface Mount 10-MSOP
LT1618EMS#PBF

LT1618EMS#PBF

IC REG BOOST ADJ 1.5A 10MSOP

Analog Devices Inc.

5,382
LT1618EMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 1 1.6V Boost 18V 1.263V 36V (Switch) 1.5A (Switch) 1.4MHz - No - 0°C ~ 70°C (TA) Surface Mount 10-MSOP
LTC3561AEDD#TRPBF

LTC3561AEDD#TRPBF

IC REG BUCK ADJ 1A 8DFN

Analog Devices Inc.

4,498
LTC3561AEDD#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.8V 5V 1A 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
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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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