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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
FAN65004C

FAN65004C

IC REG BUCK 5V 6A 35PQFN

onsemi

2,441
FAN65004C

Datasheet

- 35-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 65V 5V - 6A 100kHz ~ 1MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 35-PQFN (6x6)
LT8607IDC#TRPBF

LT8607IDC#TRPBF

IC REG BUCK ADJ 750MA 8DFN

Analog Devices Inc.

3,428
LT8607IDC#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 1.8V 12V 750mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LM2592HVSX-3.3/NOPB

LM2592HVSX-3.3/NOPB

IC REG BUCK 3.3V 2A TO263

Texas Instruments

1,867
LM2592HVSX-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 - 2A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LT8618EDDB-3.3#TRPBF

LT8618EDDB-3.3#TRPBF

IC REG BUCK 3.3V 100MA 10DFN

Analog Devices Inc.

1,044
LT8618EDDB-3.3#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.4V Buck 60V 3.3V - 100mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LT8618EDDB#TRMPBF

LT8618EDDB#TRMPBF

IC REG BUCK ADJ 100MA 10DFN

Analog Devices Inc.

104
LT8618EDDB#TRMPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.4V Buck 60V 0.778V 60V 100mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
MAX1724EZK50+T

MAX1724EZK50+T

IC REG BOOST 5V 400MA TSOT23-5

Analog Devices Inc./Maxim Integrated

5,183
MAX1724EZK50+T

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.8V Boost 5.5V 5V - 400mA (Switch) - - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
BD9G500UEFJ-LAE2

BD9G500UEFJ-LAE2

IC REG BUCK ADJ 5A 8HTSOP-J

Rohm Semiconductor

3,041
BD9G500UEFJ-LAE2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7V Buck 76V 1V 73.72V 5A 100kHz ~ 650kHz - No - -40°C ~ 125°C Surface Mount 8-HTSOP-J
MAX1044CSA+

MAX1044CSA+

IC REG CHARGE PUMP 20MA 8SOIC

Analog Devices Inc./Maxim Integrated

1,448
MAX1044CSA+

Datasheet

- 8-SOIC (0.154", 3.90mm 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-SOIC
LM76003QRNPTQ1

LM76003QRNPTQ1

IC REG BUCK ADJ 3.5A 30WQFN

Texas Instruments

291
LM76003QRNPTQ1

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 AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 30-WQFN (6x4)
MPQ3426DL-LF-Z

MPQ3426DL-LF-Z

IC REG BOOST PROG 6A 14QFN

Monolithic Power Systems Inc.

26,269
MPQ3426DL-LF-Z

Datasheet

- 14-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Programmable 1 3.2V Boost 22V 3.2V 35V 6A 300kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (3x4)
LTC3336EV#TRPBF

LTC3336EV#TRPBF

IC REG BUCK PROG 250MA 12LQFN

Analog Devices Inc.

1,389
LTC3336EV#TRPBF

Datasheet

- 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.5V Buck 15V 1.2V 5V 250mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
LTC1261CS8-4#PBF

LTC1261CS8-4#PBF

IC REG CHARGE PUMP -4V 12MA 8SO

Analog Devices Inc.

881
LTC1261CS8-4#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Fixed 1 3V Charge Pump 8V -4V - 12mA 550kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
TPS54561DPRT

TPS54561DPRT

IC REG BUCK ADJ 5A 10WSON

Texas Instruments

242
TPS54561DPRT

Datasheet

Eco-Mode™ 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.8V 59V 5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-WSON (4x4)
MAX5033CASA+

MAX5033CASA+

IC REG BUCK 12V 500MA 8SOIC

Analog Devices Inc./Maxim Integrated

785
MAX5033CASA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Not For New Designs Step-Down Positive Fixed 1 15V Buck 76V 12V - 500mA 125kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
MAX5033AASA+

MAX5033AASA+

IC REG BUCK 3.3V 500MA 8SOIC

Analog Devices Inc./Maxim Integrated

368
MAX5033AASA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 7.5V Buck 76V 3.3V - 500mA 125kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
TPS54361QDPRTQ1

TPS54361QDPRTQ1

IC REG BCK SPLIT RAIL ADJ 10WSON

Texas Instruments

320
TPS54361QDPRTQ1

Datasheet

Eco-Mode™ 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 58.8V 3.5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 10-WSON (4x4)
MAX5033AUSA+

MAX5033AUSA+

IC REG BUCK 3.3V 500MA 8SOIC

Analog Devices Inc./Maxim Integrated

1,790
MAX5033AUSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 7.5V Buck 76V 3.3V - 500mA 125kHz - No - 0°C ~ 85°C (TA) Surface Mount 8-SOIC
ADP2503ACPZ-5.0-R7

ADP2503ACPZ-5.0-R7

IC REG BUCK BST 5V 600MA 10LFCSP

Analog Devices Inc.

921
ADP2503ACPZ-5.0-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.3V Buck-Boost 5.5V 5V - 600mA 2.5MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-LFCSP-WD (3x3)
MAX5033DUSA+

MAX5033DUSA+

IC REG BUCK ADJ 500MA 8SOIC

Analog Devices Inc./Maxim Integrated

3,265
MAX5033DUSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.5V Buck 76V 1.221V 13.2V 500mA 125kHz - No - 0°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX1044CSA+T

MAX1044CSA+T

IC REG CHARGE PUMP 20MA 8SOIC

Analog Devices Inc./Maxim Integrated

2,711
MAX1044CSA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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-SOIC
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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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