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
LTC7800HUDC#TRPBF Analog Devices Inc.

LTC7800HUDC#TRPBF

IC REG CTRLR SYNC BUCK 60V 20QFN

Analog Devices Inc.

4,824
RFQ
LTC7800HUDC#TRPBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 320kHz ~ 2.25MHz 98% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 20-QFN (3x4)
MCP19214T-E/MQ Microchip Technology

MCP19214T-E/MQ

IC REG CNTRL MULTI I2C 28QFN

Microchip Technology

4,694
RFQ
MCP19214T-E/MQ Datasheet

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Up/Step-Down Positive Boost, Cuk, Flyback, SEPIC 2 2 4.5V ~ 42V 31.25kHz ~ 2MHz - Yes Yes I2C Dead Time Control, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 28-QFN (5x5)
LTC3835IUFD#TRPBF Analog Devices Inc.

LTC3835IUFD#TRPBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

3,996
RFQ
LTC3835IUFD#TRPBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 20-QFN (4x5)
LTC3829IUHF#TRPBF Analog Devices Inc.

LTC3829IUHF#TRPBF

IC REG CTRLR BUCK 38QFN

Analog Devices Inc.

4,897
RFQ
LTC3829IUHF#TRPBF Datasheet

Datasheet

PolyPhase® 38-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 38V 250kHz ~ 770kHz 94% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3787HGN#TRPBF Analog Devices Inc.

LTC3787HGN#TRPBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

3,501
RFQ
LTC3787HGN#TRPBF Datasheet

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 28-SSOP
LTC3787HUFD#TRPBF Analog Devices Inc.

LTC3787HUFD#TRPBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

1,813
RFQ
LTC3787HUFD#TRPBF Datasheet

Datasheet

PolyPhase® 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC7812IUH#TRPBF Analog Devices Inc.

LTC7812IUH#TRPBF

IC REG CTRLR BUCK/BOOST 32QFN

Analog Devices Inc.

1,562
RFQ
LTC7812IUH#TRPBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 2 1 4.5V ~ 38V 115kHz ~ 835kHz, 350kHz ~ 535kHz 96%, 99% No No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC7841IUHE#TRPBF Analog Devices Inc.

LTC7841IUHE#TRPBF

POLYPHSYNC BOOST CNTR

Analog Devices Inc.

1,373
RFQ
LTC7841IUHE#TRPBF Datasheet

Datasheet

- 36-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 1 12 4.5V ~ 60V 75kHz ~ 850kHz 96% Yes Yes I2C, PMBus, SMBus Current Limit, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LTC7818IUJ#TRPBF Analog Devices Inc.

LTC7818IUJ#TRPBF

BUCK/BUCK/BOOST SYNC CTL, 40V, 3

Analog Devices Inc.

1,178
RFQ
LTC7818IUJ#TRPBF Datasheet

Datasheet

- - Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 4.5V ~ 40V 100kHz ~ 3MHz 100% Yes No - - -40°C ~ 125°C (TJ) - - - -
UC3578DPG4 Texas Instruments

UC3578DPG4

IC REG CTRLR BUCK 16SOIC

Texas Instruments

4,773
RFQ
UC3578DPG4 Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 14V ~ 72V 110kHz 90% No No - Current Limit, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
LTC3835IFE#TRPBF Analog Devices Inc.

LTC3835IFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

3,330
RFQ
LTC3835IFE#TRPBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 20-TSSOP-EP
MAX5068BAUE+T Analog Devices Inc./Maxim Integrated

MAX5068BAUE+T

IC REG CTRLR FLYBACK 16TSSOP

Analog Devices Inc./Maxim Integrated

1,330
RFQ

-

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 10.8V ~ 24V 25kHz ~ 1.25MHz 50% Yes Yes - Dead Time Control, Enable, Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LM5642MTC Texas Instruments

LM5642MTC

IC REG CTRLR BUCK 28TSSOP

Texas Instruments

1,953
RFQ
LM5642MTC Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 36V 200kHz 98.9% Yes Yes - Current Limit, Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP
ISL81801FRTZ-T Renesas Electronics Corporation

ISL81801FRTZ-T

80V BI-DIRECTIONAL BUCK-BOOST CO

Renesas Electronics Corporation

3,664
RFQ
ISL81801FRTZ-T Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 4.5V ~ 80V 100kHz ~ 600kHz - Yes Yes - Current Limit, Enable, Off Time Control, On Time Control, Phase Control, Power Good, Power On Reset, Pulse Skipping, Ramp, Sequencing, Soft Start, Tracking -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
MAX1956ETI+T Analog Devices Inc./Maxim Integrated

MAX1956ETI+T

IC REG CTRLR BUCK 28TQFN

Analog Devices Inc./Maxim Integrated

1,329
RFQ

-

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 1.6V ~ 5.5V 600kHz 97% Yes Yes - Current Limit, Enable, Sequencing -40°C ~ 85°C (TA) - - Surface Mount 28-TQFN (5x5)
ISL78229ARZ Renesas Electronics Corporation

ISL78229ARZ

IC REG CTRLR BOOST PMBUS 40WQFN

Renesas Electronics Corporation

2,654
RFQ
ISL78229ARZ Datasheet

Datasheet

- 40-VFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 5V ~ 55V 50kHz ~ 1.1MHz 89% Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 40-QFN (6x6)
MCP19215T-E/S8 Microchip Technology

MCP19215T-E/S8

IC REG CNTRL MULTI I2C 32QFN

Microchip Technology

4,283
RFQ
MCP19215T-E/S8 Datasheet

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Up/Step-Down Positive Boost, Cuk, Flyback, SEPIC 2 2 4.5V ~ 42V 31.25kHz ~ 2MHz - Yes Yes I2C Dead Time Control, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 32-VQFN (5x5)
LTC1435CS#TRPBF Analog Devices Inc.

LTC1435CS#TRPBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

4,452
RFQ
LTC1435CS#TRPBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC3728LZEUH#TRPBF Analog Devices Inc.

LTC3728LZEUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

4,412
RFQ
LTC3728LZEUH#TRPBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC1735EGN#TRPBF Analog Devices Inc.

LTC1735EGN#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

3,704
RFQ
LTC1735EGN#TRPBF Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
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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.