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
MAX1651CSA+T Analog Devices Inc./Maxim Integrated

MAX1651CSA+T

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc./Maxim Integrated

2,522
RFQ
MAX1651CSA+T Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V Up to 300kHz 96.5% No No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
MAX651CSA+T Analog Devices Inc./Maxim Integrated

MAX651CSA+T

5V/3.3V/3V OR ADJUSTABLE, HIGH-E

Analog Devices Inc./Maxim Integrated

1,959
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 16.5V Up to 300kHz - No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
LM25141QURGERQ1 Texas Instruments

LM25141QURGERQ1

IC POWER

Texas Instruments

1,231
RFQ
LM25141QURGERQ1 Datasheet

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.8V ~ 42V 440kHz, 2.2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) Automotive AEC-Q100 Surface Mount 24-VQFN (4x4)
TFS7707H Power Integrations

TFS7707H

IC REG CTRLR MULT TOPOLOGY 7ESIP

Power Integrations

3,276
RFQ
TFS7707H Datasheet

Datasheet

HiperTFS™-2 16-SSIP, 12 Leads, Exposed Pad, Formed Leads Tube Active Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Flyback, Forward Converter 2 1 Up to 11.5V 66kHz, 132kHz 63% No No - Enable, Reset -40°C ~ 150°C (TJ) - - Through Hole eSIP-16F
UC2843AM Microsemi Corporation

UC2843AM

IC REG CTRLR BUCK/BOOST 8DIP

Microsemi Corporation

3,690
RFQ
UC2843AM Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Through Hole 8-DIP
LM5177DCPR Texas Instruments

LM5177DCPR

LM5177DCPR

Texas Instruments

3,623
RFQ
LM5177DCPR Datasheet

Datasheet

- 38-PowerTFSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 3.5V ~ 78V 100kHz ~ 2MHz 100% No Yes - Dead Time Control, Enable, Power Good, Power On Reset, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-HTSSOP
ISL78227ARZ-T Renesas Electronics Corporation

ISL78227ARZ-T

IC REG CTRLR BOOST 32WQFN

Renesas Electronics Corporation

2,046
RFQ
ISL78227ARZ-T Datasheet

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 5V ~ 55V 50kHz ~ 1.1MHz 89% Yes Yes - Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount, Wettable Flank 32-QFN (5x5)
LTC3809EMSE#TRPBF Analog Devices Inc.

LTC3809EMSE#TRPBF

IC REG CTRLR BUCK 10MSOP

Analog Devices Inc.

2,361
RFQ
LTC3809EMSE#TRPBF Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.75V ~ 9.8V 460kHz ~ 635kHz 100% Yes Yes - Enable -40°C ~ 85°C (TA) - - Surface Mount 10-MSOP-EP
LTC3809EMSE-1#TRPBF Analog Devices Inc.

LTC3809EMSE-1#TRPBF

IC REG CTRLR BUCK 10MSOP

Analog Devices Inc.

4,667
RFQ
LTC3809EMSE-1#TRPBF Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.75V ~ 9.8V 550kHz 100% Yes No - Enable, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 10-MSOP-EP
LT8711EFE#TRPBF Analog Devices Inc.

LT8711EFE#TRPBF

IC REG CTRLR SYNC 20 TSSOP

Analog Devices Inc.

3,255
RFQ
LT8711EFE#TRPBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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
LT8711IUDC#TRPBF Analog Devices Inc.

LT8711IUDC#TRPBF

IC REG CTRLR SYNC 20-QFN

Analog Devices Inc.

1,272
RFQ
LT8711IUDC#TRPBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) 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-QFN (3x4)
TPS40021PWPR Texas Instruments

TPS40021PWPR

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

3,595
RFQ
TPS40021PWPR Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.25V ~ 5.5V 100kHz ~ 1MHz 95% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
LT1241CS8#TRPBF Analog Devices Inc.

LT1241CS8#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

1,161
RFQ
LT1241CS8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive, Isolation Capable Buck 1 1 8.2V ~ 25V 500kHz 48% No No - Frequency Control 0°C ~ 100°C (TJ) - - Surface Mount 8-SO
LT1245CS8#TRPBF Analog Devices Inc.

LT1245CS8#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

2,021
RFQ
LT1245CS8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive, Isolation Capable Buck 1 1 8.2V ~ 25V 500kHz 48% No No - Frequency Control 0°C ~ 100°C (TJ) - - Surface Mount 8-SO
LT1243CS8#TRPBF Analog Devices Inc.

LT1243CS8#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

1,623
RFQ
LT1243CS8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive, Isolation Capable Buck 1 1 8.2V ~ 25V 500kHz 96% No No - Frequency Control 0°C ~ 100°C (TJ) - - Surface Mount 8-SO
MAX8597ETP+T Analog Devices Inc./Maxim Integrated

MAX8597ETP+T

IC REG CTRLR BUCK 20-TQFN

Analog Devices Inc./Maxim Integrated

1,053
RFQ

-

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 28V 200kHz ~ 1.4MHz - Yes No - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-TQFN (4x4)
MAX8577EUB+ Analog Devices Inc./Maxim Integrated

MAX8577EUB+

IC REG CTRLR BUCK 10UMAX

Analog Devices Inc./Maxim Integrated

3,396
RFQ
MAX8577EUB+ Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 28V 200kHz ~ 500kHz - Yes No - Current Limit, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX/uSOP
LTC7802JUFDM#WTRPBF Analog Devices Inc.

LTC7802JUFDM#WTRPBF

40V, LOW IQ DUAL PHSE SYCH STP-D

Analog Devices Inc.

4,822
RFQ
LTC7802JUFDM#WTRPBF Datasheet

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 40V 100kHz ~ 3MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount, Wettable Flank 28-QFN (4x5)
LTC3870IUFD#TRPBF Analog Devices Inc.

LTC3870IUFD#TRPBF

IC REG CTRLR BUCK 28QFN

Analog Devices Inc.

4,921
RFQ
LTC3870IUFD#TRPBF Datasheet

Datasheet

PolyPhase® 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 500kHz - Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC3870IUF-1#TRPBF Analog Devices Inc.

LTC3870IUF-1#TRPBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

1,138
RFQ
LTC3870IUF-1#TRPBF Datasheet

Datasheet

PolyPhase® 24-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 60V 500kHz - No Yes - Current Limit, Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (4x4)
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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.