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
LTC3785EUF-1#TRPBF Analog Devices Inc.

LTC3785EUF-1#TRPBF

IC REG CTRLR BUCK-BOOST 24QFN

Analog Devices Inc.

2,108
RFQ
LTC3785EUF-1#TRPBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 2.7V ~ 10V 100kHz ~ 1MHz 99% Yes No - Current Limit, Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
LTC3813EG#PBF Analog Devices Inc.

LTC3813EG#PBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

213
RFQ
LTC3813EG#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Up Positive Boost 1 1 6.35V ~ 14V - - Yes Yes - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3784EGN#PBF Analog Devices Inc.

LTC3784EGN#PBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

503
RFQ
LTC3784EGN#PBF Datasheet

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 60V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LM5170PHPT Texas Instruments

LM5170PHPT

BI DIRECTIONAL 48V TO 12V CURREN

Texas Instruments

240
RFQ
LM5170PHPT Datasheet

Datasheet

- 48-PowerTQFP Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 6V ~ 85V 50kHz ~ 500kHz - - Yes - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 48-HTQFP (7x7)
MAX20751EKX+T Analog Devices Inc./Maxim Integrated

MAX20751EKX+T

IC REG CTRLR BUCK PMBUS 36QFN

Analog Devices Inc./Maxim Integrated

1,733
RFQ

-

- 36-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 4 4 1.71V ~ 3.63V 300kHz ~ 800kHz - No No PMBus Phase Control, Power Good, Ramp -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (6x6)
LT3753HFE#PBF Analog Devices Inc.

LT3753HFE#PBF

IC REG CTRLR FWRD CONV 38TSSOP

Analog Devices Inc.

4,769
RFQ
LT3753HFE#PBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 8.5V ~ 100V 100kHz ~ 500kHz - Yes Yes - Frequency Control, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3840EFE#TRPBF Analog Devices Inc.

LT3840EFE#TRPBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

3,108
RFQ
LT3840EFE#TRPBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LT3840EFE#PBF Analog Devices Inc.

LT3840EFE#PBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

974
RFQ
LT3840EFE#PBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3736EGN-2#PBF Analog Devices Inc.

LTC3736EGN-2#PBF

IC REG CTRLR BUCK 24SSOP

Analog Devices Inc.

326
RFQ
LTC3736EGN-2#PBF Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes Yes - Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
LTC3830EGN#PBF Analog Devices Inc.

LTC3830EGN#PBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

105
RFQ
LTC3830EGN#PBF Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 8V 200kHz 95% Yes No - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC7801HUFD#PBF Analog Devices Inc.

LTC7801HUFD#PBF

IC REG CTRLR SYNC BUCK 24QFN

Analog Devices Inc.

569
RFQ
LTC7801HUFD#PBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 24-QFN (4x5)
LTC3862IFE#PBF Analog Devices Inc.

LTC3862IFE#PBF

IC REG CTRLR BOOST/SEPIC 24TSSOP

Analog Devices Inc.

4,568
RFQ
LTC3862IFE#PBF Datasheet

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 2 2 4V ~ 36V 75kHz ~ 500kHz 96% No Yes - Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
LT3844IFE#PBF Analog Devices Inc.

LT3844IFE#PBF

IC REG CTRLR MULT TOP 16TSSOP

Analog Devices Inc.

112
RFQ
LT3844IFE#PBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 4V ~ 60V 300kHz - No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC3858EGN-1#PBF Analog Devices Inc.

LTC3858EGN-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

1,691
RFQ
LTC3858EGN-1#PBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 38V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3785IUF#PBF Analog Devices Inc.

LTC3785IUF#PBF

IC REG CTRLR BUCK-BOOST 24QFN

Analog Devices Inc.

2,280
RFQ
LTC3785IUF#PBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 2.7V ~ 10V 100kHz ~ 1MHz 99% Yes No - Current Limit, Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (4x4)
LTC7840HFE#PBF Analog Devices Inc.

LTC7840HFE#PBF

DUAL PHASE/OUTPUT NON-SYNCH BOOS

Analog Devices Inc.

1,461
RFQ
LTC7840HFE#PBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active PWM Step-Up Positive Boost 2 2 5.5V ~ 60V 50kHz ~ 425kHz 96% No Yes - Current Limit, Enable, Frequency Control, Power Good -40°C ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC7841EUHE#PBF Analog Devices Inc.

LTC7841EUHE#PBF

POLYPHSYNC BOOST CNTR

Analog Devices Inc.

2,429
RFQ
LTC7841EUHE#PBF Datasheet

Datasheet

- 36-WFQFN Exposed Pad Tube 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 - - Surface Mount 36-QFN (5x6)
LTC7871ILWE#PBF Analog Devices Inc.

LTC7871ILWE#PBF

6-PHASE BIDIRECTIONAL BUCK/BOOST

Analog Devices Inc.

143
RFQ
LTC7871ILWE#PBF Datasheet

Datasheet

PolyPhase® 64-LQFP Exposed Pad Tray Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 6 6 6V ~ 100V 60kHz ~ 750kHz 98% Yes Yes SPI Enable, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 64-LQFP-EP (10x10)
LTC3703IGN-5#TRPBF Analog Devices Inc.

LTC3703IGN-5#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

7,113
RFQ
LTC3703IGN-5#TRPBF Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.1V ~ 15V 100kHz ~ 600kHz 93% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-SSOP
LTC3883IUH-1#PBF Analog Devices Inc.

LTC3883IUH-1#PBF

IC REG CTRLR BUCK PMBUS 32QFN

Analog Devices Inc.

541
RFQ
LTC3883IUH-1#PBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
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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.