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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
ADP5304ACPZ-1-R7

ADP5304ACPZ-1-R7

IC REG BUCK PROG 50MA 10LFCSP

Analog Devices Inc.

746
ADP5304ACPZ-1-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 6.5V 0.8V 5V 50mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-LFCSP-WD (3x3)
MAX17580ATC+

MAX17580ATC+

IC REG BUCK ADJ 300MA 12TDFN

Analog Devices Inc./Maxim Integrated

474
MAX17580ATC+

Datasheet

Himalaya 12-WFDFN Exposed Pad Tray Active Step-Down Negative Adjustable 1 4.5V Buck 60V -0.9V -36V 300mA 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
LM2679T-ADJ/NOPB

LM2679T-ADJ/NOPB

IC REG BUCK ADJ 5A TO220-7

Texas Instruments

194
LM2679T-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-7 Formed Leads Tube Active Step-Down Positive Adjustable 1 8V Buck 40V 1.21V 37V 5A 260kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-7
MAX8569AEUT+T

MAX8569AEUT+T

IC REG BOOST ADJ 750MA SOT6

Analog Devices Inc./Maxim Integrated

1,891
MAX8569AEUT+T

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.5V Boost 5.5V 2V 5.5V 750mA (Switch) - - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-6
ADP2107ACPZ-R7

ADP2107ACPZ-R7

IC REG BUCK ADJ 2A 16LFCSP

Analog Devices Inc.

1,372
ADP2107ACPZ-R7

Datasheet

- 16-WQFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 5.5V 2A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-LFCSP (4x4)
RAA2116514GNP#HA0

RAA2116514GNP#HA0

IC REG BUCK ADJ 5A 28QFN

Renesas Electronics Corporation

2,495
RAA2116514GNP#HA0

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.8V 60V 5A 565kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
MPQ4314GRE-AEC1-Z

MPQ4314GRE-AEC1-Z

IC REG BUCK ADJ 4A 20QFN

Monolithic Power Systems Inc.

3,563
MPQ4314GRE-AEC1-Z

Datasheet

- 20-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 45V 0.815V 42.75V 4A 350kHz ~ 1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (4x4)
MPQ3425DL-AEC1-LF-Z

MPQ3425DL-AEC1-LF-Z

IC REG BOOST ADJ 3A 14QFN

Monolithic Power Systems Inc.

2,850
MPQ3425DL-AEC1-LF-Z

Datasheet

- 14-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 3.1V Boost 22V 3.1V 55V 3A 300kHz ~ 2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 14-QFN (3x4)
LT8606HDC#TRMPBF

LT8606HDC#TRMPBF

IC REG BUCK ADJ 350MA 8DFN

Analog Devices Inc.

3,800
LT8606HDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 1.8V 12V 350mA 200kHz ~ 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-DFN (2x2)
ADP2370ACPZ-R7

ADP2370ACPZ-R7

IC REG BUCK ADJ 800MA 8LFCSP

Analog Devices Inc.

1,978
ADP2370ACPZ-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)
TPS542A52RJMR

TPS542A52RJMR

IC REG BUCK ADJ 15A 33VQFN

Texas Instruments

2,827
TPS542A52RJMR

Datasheet

- 33-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.5V 5.5V 15A 400kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 33-VQFN-HR (4.5x4)
RTQ2963GSP-QA

RTQ2963GSP-QA

IC REG BUCK ADJ 3.5A 8SOP

Richtek USA Inc.

180
RTQ2963GSP-QA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.8V 60V 3.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOP-EP
LM46001QPWPRQ1

LM46001QPWPRQ1

IC REG BUCK ADJ 1A 16HTSSOP

Texas Instruments

1,520
LM46001QPWPRQ1

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 3.5V Buck 60V 1V 28V 1A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MAX17681ATB+T

MAX17681ATB+T

IC REG BUCK ADJ 10TDFN

Analog Devices Inc./Maxim Integrated

3,885
MAX17681ATB+T

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive, Isolation Capable Adjustable 1 4.5V Buck 42V 0.9V 40.32V - 200kHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-TDFN (3x2)
MIC2171WU-TR

MIC2171WU-TR

IC REG BUCK BST ADJ 2.5A TO263-5

Microchip Technology

2,919
MIC2171WU-TR

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, Isolation Capable Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V - 65V (Switch) 2.5A (Switch) 100kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
MIC2171WU

MIC2171WU

IC REG BUCK BST ADJ 2.5A TO263-5

Microchip Technology

1,046
MIC2171WU

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V - 65V (Switch) 2.5A (Switch) 100kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
MAX17643ATC+T

MAX17643ATC+T

IC REG BUCK ADJ 2A 12TDFN

Analog Devices Inc./Maxim Integrated

395
MAX17643ATC+T

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 2A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
MAX1674EUA+

MAX1674EUA+

IC REG BOOST ADJ 750MA 8UMAX

Analog Devices Inc./Maxim Integrated

4,736
MAX1674EUA+

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable (Programmable) 1 0.7V Boost 5.5V 2V (3.3V, 5V) 5.5V 750mA (Switch) Up to 500Hz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-uMAX/uSOP
TPS6735ID

TPS6735ID

IC REG BUCK -5V 200MA 8SOIC

Texas Instruments

140
TPS6735ID

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Up, Step-Down Negative Fixed 1 4V Buck 6.2V -5V - 200mA 160kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LM2593HVS-ADJ/NOPB

LM2593HVS-ADJ/NOPB

IC REG BUCK ADJ 2A TO263

Texas Instruments

959
LM2593HVS-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1.2V 57V 2A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
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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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