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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
LM61430AASQRJRRQ1

LM61430AASQRJRRQ1

IC REG BUCK ADJ 3A 14VQFN

Texas Instruments

2,082
LM61430AASQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 36V 1V 34.2V 3A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
LM2576D2T-ADJG

LM2576D2T-ADJG

IC REG BUCK ADJ 3A D2PAK-5

onsemi

516
LM2576D2T-ADJG

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive or Negative Adjustable 1 7V Buck 40V 1.23V 37V 3A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
MP2452DD-LF-Z

MP2452DD-LF-Z

IC REG BUCK ADJ 1A 8QFN

Monolithic Power Systems Inc.

19,055
MP2452DD-LF-Z

Datasheet

- 8-TFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.794V 33V 1A 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-QFN (2x3)
MAX20058ATCA/VY+

MAX20058ATCA/VY+

IC REG BUCK ADJ 12TDFN

Analog Devices Inc./Maxim Integrated

7,474
MAX20058ATCA/VY+

Datasheet

- 12-WFDFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.8V 54V - 200kHz ~ 2.033MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 12-TDFN-EP (3x3)
LM2576SX-3.3/NOPB

LM2576SX-3.3/NOPB

IC REG BUCK 3.3V 3A TO263

Texas Instruments

1,852
LM2576SX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 40V 3.3V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
TC7662ACPA

TC7662ACPA

IC REG CHARG PUMP INV 40MA 8PDIP

Microchip Technology

241
TC7662ACPA

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 3V Charge Pump 18V -Vin, 2Vin - 40mA 12kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
ISL9122AIRNZ-T

ISL9122AIRNZ-T

IC REG BUCK BOOST ADJ 500MA 8DFN

Renesas Electronics Corporation

14,824
ISL9122AIRNZ-T

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.375V 500mA 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (2x3)
MAX38642AENT+T

MAX38642AENT+T

IC REG BUCK ADJ 350MA 6WLP

Analog Devices Inc./Maxim Integrated

1,240
MAX38642AENT+T

Datasheet

nanoPower 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.8V Buck 5.5V 0.7V 3.3V 350mA - - No - -40°C ~ 85°C Surface Mount 6-WLP (1.42x0.89)
LMR23610AQDDARQ1

LMR23610AQDDARQ1

IC REG BUCK ADJ 1A 8SOPWR

Texas Instruments

8,118
LMR23610AQDDARQ1

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 1V 28V 1A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TPS61175QPWPRQ1

TPS61175QPWPRQ1

IC REG BST FLYBACK ADJ 14HTSSOP

Texas Instruments

3,870
TPS61175QPWPRQ1

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.9V Boost, Flyback, SEPIC 18V 2.9V 38V 3A (Switch) 200kHz ~ 2.2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount 14-HTSSOP
LMR14050SQDPRRQ1

LMR14050SQDPRRQ1

IC REG BUCK ADJ 5A 10WSON

Texas Instruments

524
LMR14050SQDPRRQ1

Datasheet

SIMPLE SWITCHER® 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 5A 200kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 10-WSON (4x4)
MAX17227JANT+T

MAX17227JANT+T

IC REG BOOST ADJ 500MA 6WLP

Analog Devices Inc./Maxim Integrated

2,251
MAX17227JANT+T

Datasheet

nanoPower 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.4V Boost 5.5V 2.3V 5.4V 500mA (Switch) - - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-WLP (1.58x.89)
MPQ4559DN-LF-Z

MPQ4559DN-LF-Z

IC REG BUCK ADJ 1.5A 8SOICE

Monolithic Power Systems Inc.

10,739
MPQ4559DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 55V 0.8V 52V 1.5A Up to 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOICE
AP64501QSP-13

AP64501QSP-13

IC REG BUCK ADJ 5A 8SO

Diodes Incorporated

5,863
AP64501QSP-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 40V 0.8V 40V 5A 570kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 8-SO-EP
AP64500QSP-13

AP64500QSP-13

IC REG BUCK ADJ 5A 8SO

Diodes Incorporated

2,760
AP64500QSP-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 40V 0.8V 40V 5A 100kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 8-SO-EP
LM2574HVM-ADJ/NOPB

LM2574HVM-ADJ/NOPB

IC REG BUCK ADJ 500MA 14SOIC

Texas Instruments

2,217
LM2574HVM-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 14-SOIC (0.295", 7.50mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 60V 1.23V 37V 500mA 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-SOIC
SC185QULTRT

SC185QULTRT

IC REG BUCK 3.3V 4A 16MLPQ

Semtech Corporation

1,659
SC185QULTRT

Datasheet

- 16-UFQFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Fixed 1 2.9V Buck 5.5V 3.3V - 4A 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-MLPQ-UT (3x3)
LM2595DSADJR4G

LM2595DSADJR4G

IC REG BUCK BOOST ADJ 1A D2PAK-5

onsemi

1,539
LM2595DSADJR4G

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 4.5V Buck, Boost, Buck-Boost 40V 1.23V 37V 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
AP64502QSP-13

AP64502QSP-13

IC REG BUCK ADJ 5A 8SO

Diodes Incorporated

1,420
AP64502QSP-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 40V 0.8V 40V 5A 100kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 8-SO-EP
L4978

L4978

IC REG BUCK ADJ 2A 8DIP

STMicroelectronics

497
L4978

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Adjustable 1 8V Buck 55V 3.3V 50V 2A 100kHz ~ 300kHz - No - -40°C ~ 150°C (TJ) Through Hole 8-DIP
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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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