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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
ADP2503ACPZ-3.3-R7

ADP2503ACPZ-3.3-R7

IC REG BUCK BOOST 3.3V 10LFCSP

Analog Devices Inc.

2,500
ADP2503ACPZ-3.3-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.3V Buck-Boost 5.5V 3.3V - 600mA 2.5MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-LFCSP-WD (3x3)
MAX5033DASA+

MAX5033DASA+

IC REG BUCK ADJ 500MA 8SOIC

Analog Devices Inc./Maxim Integrated

1,693
MAX5033DASA+

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 - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
ADP2503ACPZ-R7

ADP2503ACPZ-R7

IC REG BCK BST ADJ 600MA 10LFCSP

Analog Devices Inc.

1,457
ADP2503ACPZ-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.3V Buck-Boost 5.5V 2.8V 5.5V 600mA 2.5MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-LFCSP-WD (3x3)
ISL8013AIRZ-T

ISL8013AIRZ-T

IC REG BUCK ADJ 3A 16QFN

Renesas Electronics Corporation

14,697
ISL8013AIRZ-T

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.8V Buck 5.5V 0.8V 5.5V 3A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
MAX17501BATB+T

MAX17501BATB+T

IC REG BUCK 5V 500MA 10TDFN

Analog Devices Inc./Maxim Integrated

2,820
MAX17501BATB+T

Datasheet

Himalaya 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 60V 5V - 500mA 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-TDFN (3x2)
MAX17501FATB+T

MAX17501FATB+T

IC REG BUCK 5V 500MA 10TDFN

Analog Devices Inc./Maxim Integrated

2,084
MAX17501FATB+T

Datasheet

Himalaya 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 60V 5V - 500mA 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-TDFN (3x2)
TPS53319DQPR

TPS53319DQPR

IC REG BUCK ADJ 14A 22LSON-CLIP

Texas Instruments

5,810
TPS53319DQPR

Datasheet

D-CAP™, Eco-Mode™ 22-PowerLFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 22V 0.6V 5.5V 14A 250kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-LSON-CLIP (6x5)
ADP5074ACPZ-R7

ADP5074ACPZ-R7

IC REG BUCK BST ADJ 2.4A 16LFCSP

Analog Devices Inc.

1,506
ADP5074ACPZ-R7

Datasheet

- 16-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Ratiometric, Step-Up/Step-Down Negative Adjustable 1 2.85V Buck-Boost 15V Vin-39V - 2.4A 1.2MHz, 2.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-LFCSP (3x3)
LMS3655MQURNLRQ1

LMS3655MQURNLRQ1

IC REG BUCK ADJ 5.5A 22VQFN

Texas Instruments

3,135
LMS3655MQURNLRQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.9V Buck 36V 1V 20V 5.5A 400kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
MAX17577ATC+

MAX17577ATC+

IC REG BUCK ADJ 1A 12TDFN

Analog Devices Inc./Maxim Integrated

755
MAX17577ATC+

Datasheet

Himalaya 12-WFDFN Exposed Pad Tray Active Step-Down Negative Adjustable 1 4.5V Buck 24V -0.9V -36V 1A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
MAX20457ATIB/VY+

MAX20457ATIB/VY+

IC REG BUCK 1V/1V DL 28TQFN

Analog Devices Inc./Maxim Integrated

3,840
MAX20457ATIB/VY+

Datasheet

- 28-WFQFN Exposed Pad Tray Active Step-Down Positive Fixed 2 3.5V Buck 36V 1V (3.3V), 1V (5V) 14V, 14V - 2.1MHz - Yes - -40°C ~ 125°C Surface Mount, Wettable Flank 28-TQFN (5x5)
LT3464ETS8#TRPBF

LT3464ETS8#TRPBF

IC REG BOOST ADJ 85MA TSOT23-8

Analog Devices Inc.

2,446
LT3464ETS8#TRPBF

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 10V 1.25V 34V 85mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-8
LT3460ES5#TRMPBF

LT3460ES5#TRMPBF

IC REG BOOST SEPIC ADJ TSOT23-5

Analog Devices Inc.

1,717
LT3460ES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, SEPIC 16V 1.255V 36V 300mA (Switch) 1.3MHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LTC3307AEV#TRPBF

LTC3307AEV#TRPBF

IC REG BUCK ADJ 3A 12LQFN

Analog Devices Inc.

1,266
LTC3307AEV#TRPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 5.5V 3A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
SIC450ED-T1-GE3

SIC450ED-T1-GE3

IC REG BCK ADJ POWERPAK MLP34-57

Vishay Siliconix

9,999
SIC450ED-T1-GE3

Datasheet

microBUCK® 34-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 20V 0.3V 12V 40A 300kHz ~ 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount PowerPAK® MLP34-57
MAX868EUB+T

MAX868EUB+T

IC REG CHRG PUMP INV 30MA 10UMAX

Analog Devices Inc./Maxim Integrated

3,718
MAX868EUB+T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Ratiometric Negative Adjustable (Programmable) 1 1.8V Charge Pump 5.5V -Vin, -2Vin -2Vin 30mA 270kHz ~ 630kHz - No - -40°C ~ 85°C (TA) Surface Mount 10-uMAX/uSOP
TPS54360QDDARQ1

TPS54360QDDARQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

5,346
TPS54360QDDARQ1

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs 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 8-SO PowerPad
MAX17543ATP+T

MAX17543ATP+T

IC REG BUCK ADJ 2.5A 20TQFN

Analog Devices Inc./Maxim Integrated

3,611
MAX17543ATP+T

Datasheet

Himalaya 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.9V 37.8V 2.5A 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (4x4)
LTC3204EDC-5#TRMPBF

LTC3204EDC-5#TRMPBF

IC REG CHARGE PUMP 5V 150MA 6DFN

Analog Devices Inc.

1,001
LTC3204EDC-5#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 150mA 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
MAX17543ATP+

MAX17543ATP+

IC REG BUCK ADJ 2.5A 20TQFN

Analog Devices Inc./Maxim Integrated

205
MAX17543ATP+

Datasheet

Himalaya 20-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.9V 37.8V 2.5A 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (4x4)
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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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