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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
LM2591HVSX-3.3/NOPB

LM2591HVSX-3.3/NOPB

IC REG BUCK 3.3V 1A TO263

Texas Instruments

479
LM2591HVSX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 60V 3.3V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM5180QNGUTQ1

LM5180QNGUTQ1

IC REG FLYBACK ADJ 8WSON

Texas Instruments

243
LM5180QNGUTQ1

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive and Negative Adjustable 1 4.5V Flyback 65V - - - 12kHz ~ 350kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 8-WSON (4x4)
MAX17634CATP+

MAX17634CATP+

IC REG BUCK ADJ 4.25A 20TQFN

Analog Devices Inc./Maxim Integrated

546
MAX17634CATP+

Datasheet

- 20-WFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.9V 32.4V 4.25A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 20-TQFN (4x4)
MAX17634BATP+

MAX17634BATP+

IC REG BUCK 5V 4.25A 20TQFN

Analog Devices Inc./Maxim Integrated

485
MAX17634BATP+

Datasheet

- 20-WFQFN Exposed Pad Tray Active Step-Down Positive Fixed 1 4.5V Buck 36V 5V - 4.25A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 20-TQFN (4x4)
ADP2371ACPZ-R7

ADP2371ACPZ-R7

IC REG BUCK ADJ 800MA 8LFCSP

Analog Devices Inc.

373
ADP2371ACPZ-R7

Datasheet

- 8-WFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.2V Buck 15V 0.8V 14V 800mA 600kHz ~ 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-LFCSP-WD (3x3)
MAX20404AFOA/VY+T

MAX20404AFOA/VY+T

IC REG BCK PROG/0.8V 4A 17FC2QFN

Analog Devices Inc./Maxim Integrated

1,893
MAX20404AFOA/VY+T

Datasheet

- 17-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (5V) 10V 4A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
MPQ4430GL-AEC1-Z

MPQ4430GL-AEC1-Z

IC REG BUCK ADJ 3.5A 16QFN

Monolithic Power Systems Inc.

4,516
MPQ4430GL-AEC1-Z

Datasheet

- 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 3.5A 350kHz ~ 1.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
MPQ4573GQBE-Z

MPQ4573GQBE-Z

IC REG BUCK ADJ 2.5A 12QFN

Monolithic Power Systems Inc.

3,791
MPQ4573GQBE-Z

Datasheet

- 12-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1V 54V 2.5A Up to 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-QFN (2.5x3)
LM26400YMHX/NOPB

LM26400YMHX/NOPB

IC REG BUCK ADJ 2A DL 16HTSSOP

Texas Instruments

4,632
LM26400YMHX/NOPB

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3V Buck 20V 0.6V 16V 2A 520kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
ICL7660CUA+

ICL7660CUA+

IC REG CHARGE PUMP 20MA 8UMAX

Analog Devices Inc./Maxim Integrated

1,299
ICL7660CUA+

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, nVin, Vin/2 - 20mA 10kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-uMAX/uSOP
MAX20404AFOB/VY+

MAX20404AFOB/VY+

IC REG BCK PROG/0.8V 4A 17FC2QFN

Analog Devices Inc./Maxim Integrated

1,749
MAX20404AFOB/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (3.3V) 10V 4A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
MAX20404AFOD/VY+

MAX20404AFOD/VY+

IC REG BCK PROG/0.8V 4A 17FC2QFN

Analog Devices Inc./Maxim Integrated

1,016
MAX20404AFOD/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (3.3V) 10V 4A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
MAX20405AFOD/VY+

MAX20405AFOD/VY+

IC REG BCK PROG/0.8V 5A 17FC2QFN

Analog Devices Inc./Maxim Integrated

618
MAX20405AFOD/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (3.3V) 10V 5A 400kHz, 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
TPS53515RVER

TPS53515RVER

IC REG BUCK ADJ 12A 28VQFN

Texas Instruments

13,009
TPS53515RVER

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)
LM2575HVT-ADJ/NOPB

LM2575HVT-ADJ/NOPB

IC REG BUCK ADJ 1A TO220-5

Texas Instruments

584
LM2575HVT-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Adjustable 1 4V Buck 60V 1.23V 57V 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2575HVT-5.0/NOPB

LM2575HVT-5.0/NOPB

IC REG BUCK 5V 1A TO220-5

Texas Instruments

434
LM2575HVT-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Fixed 1 4V Buck 60V 5V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2575HVT-12/NOPB

LM2575HVT-12/NOPB

IC REG BUCK 12V 1A TO220-5

Texas Instruments

157
LM2575HVT-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Fixed 1 4V Buck 60V 12V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
MP4560DQ-LF-Z

MP4560DQ-LF-Z

IC REG BUCK ADJ 2A 10QFN

Monolithic Power Systems Inc.

507
MP4560DQ-LF-Z

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 55V 0.8V 52V 2A Up to 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-QFN (3x3)
MAX8815AETB+T

MAX8815AETB+T

IC REG BST ADJ/3.3V 2.75A 10TDFN

Analog Devices Inc./Maxim Integrated

5,979
MAX8815AETB+T

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable (Fixed) 1 1.2V Boost 5.5V 3.3V (5V) 5V 2.75A (Switch) 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-TDFN (3x3)
LM2594HVN-ADJ/NOPB

LM2594HVN-ADJ/NOPB

IC REG BUCK ADJ 500MA 8PDIP

Texas Instruments

442
LM2594HVN-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1.2V 57V 500mA 150kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
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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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