DC DC Switching Controllers

Manufacturer Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package





















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
LTC7803EUD#PBF Analog Devices Inc.

LTC7803EUD#PBF

LOW IQ SYNCHRONOUS BUCK CONTROLL

Analog Devices Inc.

2,754
RFQ
LTC7803EUD#PBF Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 40V 100kHz ~ 3MHz 100% Yes Yes - Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
LTC3775EUD#PBF Analog Devices Inc.

LTC3775EUD#PBF

IC REG CTRLR BUCK 16QFN

Analog Devices Inc.

3,637
RFQ
LTC3775EUD#PBF Datasheet

Datasheet

PolyPhase® 16-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 250kHz ~ 1MHz 90% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (3x3)
LM34936RHFT Texas Instruments

LM34936RHFT

30-V WIDE VIN SYNCHRONOUS 4-SWIT

Texas Instruments

1,229
RFQ
LM34936RHFT Datasheet

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4.2V ~ 30V 100kHz ~ 600kHz 100% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-VQFN (5x4)
LT8711EFE#PBF Analog Devices Inc.

LT8711EFE#PBF

IC REG CTRLR SYNC 20-TSSOP

Analog Devices Inc.

2,595
RFQ
LT8711EFE#PBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active PWM Step-Up, Step-Down Positive Buck, Boost, Buck-Boost, SEPIC 1 - 4.5V ~ 42V 100kHz ~ 750kHz 100% No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LTC3833EUDC#PBF Analog Devices Inc.

LTC3833EUDC#PBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

2,018
RFQ
LTC3833EUDC#PBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (3x4)
UC2525BDW Texas Instruments

UC2525BDW

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

229
RFQ
UC2525BDW Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 35V 100Hz ~ 400kHz 49% Yes Yes - Dead Time Control, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
MAX5019ESA+ Analog Devices Inc./Maxim Integrated

MAX5019ESA+

IC REG CTRLR FLYBACK 8SOIC

Analog Devices Inc./Maxim Integrated

196
RFQ
MAX5019ESA+ Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 13V ~ 36V 275kHz 85% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
LTC3854IMSE#PBF Analog Devices Inc.

LTC3854IMSE#PBF

IC REG CTRLR BUCK 12MSOP

Analog Devices Inc.

3,973
RFQ
LTC3854IMSE#PBF Datasheet

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 400kHz 98% Yes No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 12-MSOP-EP
LM25141QRGETQ1 Texas Instruments

LM25141QRGETQ1

LOW VOLTAGE LM5141- SYNC BUCK CO

Texas Instruments

1,943
RFQ
LM25141QRGETQ1 Datasheet

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Half-Bridge 1 1 3.8V ~ 42V 2.2MHz 50% Yes Yes - Current Limit, Enable, Frequency Control -40°C ~ 125°C (TA) Automotive AEC-Q101 Surface Mount 24-VQFN (4x4)
LTC1872ES6#TRPBF Analog Devices Inc.

LTC1872ES6#TRPBF

IC REG CTRLR BOOST/SEPIC SOT23-6

Analog Devices Inc.

2,787
RFQ
LTC1872ES6#TRPBF Datasheet

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 1 1 2.5V ~ 9.8V 550kHz - No No - Enable -40°C ~ 85°C (TA) - - Surface Mount TSOT-23-6
LTC1872ES6#TRMPBF Analog Devices Inc.

LTC1872ES6#TRMPBF

IC REG CTRLR BOOST/SEPIC SOT23-6

Analog Devices Inc.

1,315
RFQ
LTC1872ES6#TRMPBF Datasheet

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 1 1 2.5V ~ 9.8V 550kHz - No No - Enable -40°C ~ 85°C (TA) - - Surface Mount TSOT-23-6
UCD9222RGZR Texas Instruments

UCD9222RGZR

IC REG CTRLR BUCK PMBUS 48VQFN

Texas Instruments

1,194
RFQ
UCD9222RGZR Datasheet

Datasheet

- 48-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 3.6V 15.26kHz ~ 2MHz 100% No Yes I2C, PMBus, SMBus Enable, Power Good, Reset, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 48-VQFN (7x7)
LTC3878IGN#PBF Analog Devices Inc.

LTC3878IGN#PBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

399
RFQ
LTC3878IGN#PBF Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 38V - - Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC3851AIUD-1#PBF Analog Devices Inc.

LTC3851AIUD-1#PBF

IC REG CTRLR BUCK 16QFN

Analog Devices Inc.

135
RFQ
LTC3851AIUD-1#PBF Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
LTC3851IUD#PBF Analog Devices Inc.

LTC3851IUD#PBF

IC REG CTRLR BUCK 16QFN

Analog Devices Inc.

104
RFQ
LTC3851IUD#PBF Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 250kHz ~ 750kHz 99% Yes No - Current Limit, Enable, Frequency Control, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
LT3740EDHC#PBF Analog Devices Inc.

LT3740EDHC#PBF

IC REG CTRLR BUCK 16-DFN

Analog Devices Inc.

182
RFQ
LT3740EDHC#PBF Datasheet

Datasheet

- 16-WFDFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.2V ~ 22V 300kHz - Yes No - Current Limit, Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-DFN (5x3)
LTC3852EUDD#PBF Analog Devices Inc.

LTC3852EUDD#PBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

2,277
RFQ
LTC3852EUDD#PBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (3x5)
MAX608EPA+ Analog Devices Inc./Maxim Integrated

MAX608EPA+

IC REG CTRLR BOOST 8DIP

Analog Devices Inc./Maxim Integrated

135
RFQ
MAX608EPA+ Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up Positive Boost 1 1 1.8V ~ 16.5V Up to 300kHz - No No - Enable -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
TPS5120DBTR Texas Instruments

TPS5120DBTR

IC REG CTRLR BUCK 30TSSOP

Texas Instruments

1,981
RFQ
TPS5120DBTR Datasheet

Datasheet

- 30-TFSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 300kHz 83% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 30-TSSOP
LTC7803IMSE#PBF Analog Devices Inc.

LTC7803IMSE#PBF

LOW IQ SYNCHRONOUS BUCK CONTROLL

Analog Devices Inc.

4,115
RFQ
LTC7803IMSE#PBF Datasheet

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 40V 100kHz ~ 3MHz 100% Yes Yes - Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 16-MSOP-EP
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DC DC Switching Controllers Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing DC DC Switching Controllers components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports DC DC Switching Controllers Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

DC DC Switching Controllers FAQ

Can FPGAX source both active and end-of-life DC DC Switching Controllers components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a DC DC Switching Controllers sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.