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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
LM2594HVN-5.0/NOPB

LM2594HVN-5.0/NOPB

IC REG BUCK 5V 500MA 8PDIP

Texas Instruments

271
LM2594HVN-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 4.5V Buck 60V 5V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
LM5000-3MTC/NOPB

LM5000-3MTC/NOPB

IC REG BOOST FLYBACK ADJ 16TSSOP

Texas Instruments

365
LM5000-3MTC/NOPB

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 3.1V Boost, Flyback, Forward Converter 40V 3.1V 80V (Switch) 1.35A (Switch) 300kHz, 700kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP
TPS543A22RYSR

TPS543A22RYSR

IC REG BUCK ADJ 12A 17WQFN

Texas Instruments

4,550
TPS543A22RYSR

Datasheet

SWIFT™ 17-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.5V 7V 12A 750kHz, 1MHz, 1.5MHz, 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 17-WQFN-FCRLF (2.5x4.5)
LM76003RNPT

LM76003RNPT

IC REG BUCK ADJ 3.5A 30WQFN

Texas Instruments

1,025
LM76003RNPT

Datasheet

- 30-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 1V 57V 3.5A 300kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 30-WQFN (6x4)
LM2575HVS-5.0/NOPB

LM2575HVS-5.0/NOPB

IC REG BUCK 5V 1A TO263

Texas Instruments

2,610
LM2575HVS-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 60V 5V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LP87524JRNFRQ1

LP87524JRNFRQ1

IC REG BUCK ADJ QUAD 26VQFN

Texas Instruments

9,379
LP87524JRNFRQ1

Datasheet

- 26-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 4 2.8V Buck 5.5V 0.6V 3.36V 4A, 4A, 4A, 4A 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 26-VQFN-HR (4.5x4)
LP87524BRNFRQ1

LP87524BRNFRQ1

IC REG BUCK ADJ QUAD 26VQFN

Texas Instruments

6,486
LP87524BRNFRQ1

Datasheet

- 26-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 4 2.8V Buck 5.5V 0.6V 3.36V 4A, 4A, 4A, 4A 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 26-VQFN-HR (4.5x4)
TPS53915RVER

TPS53915RVER

IC REG BUCK ADJ 12A 28VQFN

Texas Instruments

4,862
TPS53915RVER

Datasheet

SWIFT™, D-CAP3™, Eco-Mode™ 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 18V 0.6V 5.5V 12A 200kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
LM22679TJ-5.0/NOPB

LM22679TJ-5.0/NOPB

IC REG BUCK 5V 5A TO263-7

Texas Instruments

524
LM22679TJ-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 5A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
TPS54361DPRT

TPS54361DPRT

IC REG BCK SPLIT RAIL ADJ 10WSON

Texas Instruments

419
TPS54361DPRT

Datasheet

Eco-Mode™ 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 60V 3.5A 100kHz ~ 2.5MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-WSON (4x4)
MAX20004AFOC/VY+

MAX20004AFOC/VY+

IC REG BUCK 5V 4A 17FC2QFN

Analog Devices Inc./Maxim Integrated

12,833
MAX20004AFOC/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Fixed 1 3.5V Buck 36V 5V - 4A 220kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
LM2673S-5.0/NOPB

LM2673S-5.0/NOPB

IC REG BUCK 5V 3A TO263

Texas Instruments

2,837
LM2673S-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 8V Buck 40V 5V - 3A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
MAX1896EUT+T

MAX1896EUT+T

IC REG BST SEPIC ADJ 500MA SOT6

Analog Devices Inc./Maxim Integrated

2,467
MAX1896EUT+T

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.6V Boost, SEPIC 5.5V 2.6V 13V 500mA 1.4MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-6
UCD7242RSJR

UCD7242RSJR

IC REG BUCK 10A DL 32VQFN

Texas Instruments

2,138
UCD7242RSJR

Datasheet

- 32-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive - 2 4.75V Buck 18V - - 10A 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-VQFN-HR (6x6)
LM5575QMHX/NOPB

LM5575QMHX/NOPB

IC REG BUCK ADJ 1.5A 16HTSSOP

Texas Instruments

4,550
LM5575QMHX/NOPB

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 75V 1.225V 70V 1.5A 50kHz ~ 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MP4460DQ-LF-Z

MP4460DQ-LF-Z

IC REG BUCK ADJ 2.5A 10QFN

Monolithic Power Systems Inc.

3,970
MP4460DQ-LF-Z

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 0.8V 30V 2.5A Up to 4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-QFN (3x3)
MAX17760ATC+T

MAX17760ATC+T

IC REG BUCK ADJ 300MA 12TDFN

Analog Devices Inc./Maxim Integrated

1,598
MAX17760ATC+T

Datasheet

Himalaya 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 76V 0.8V 66.88V 300mA 200kHz, 300kHz, 400kHz, 600kHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
MAX20405AFOB/VY+

MAX20405AFOB/VY+

IC REG BCK PROG/0.8V 5A 17FC2QFN

Analog Devices Inc./Maxim Integrated

1,281
MAX20405AFOB/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (3.3V) 10V 5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
XR76205EL-F

XR76205EL-F

IC REG BUCK ADJ 5A 30QFN

MaxLinear, Inc.

928
XR76205EL-F

Datasheet

Power Blox™ 30-PowerVFQFN Tray Active Step-Down Positive Adjustable 1 5V Buck 40V 0.6V 40V 5A 100kHz ~ 800kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 30-QFN (5x5)
MAX865EUA+T

MAX865EUA+T

IC REG CHARGE PUMP INV DL 8UMAX

Analog Devices Inc./Maxim Integrated

8,555
MAX865EUA+T

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 2 1.5V Charge Pump 6V -Vin, 2Vin - 20mA 18kHz ~ 34kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-uMAX/uSOP
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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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