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
LTC1709EG-7#PBF Analog Devices Inc.

LTC1709EG-7#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

2,198
RFQ
LTC1709EG-7#PBF Datasheet

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 140kHz ~ 310kHz 99.5% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC3859ALIUHF#PBF Analog Devices Inc.

LTC3859ALIUHF#PBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

1,262
RFQ
LTC3859ALIUHF#PBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 38V 115kHz ~ 835kHz, 350kHz ~ 535kHz 99%, 100% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3826EG-1#PBF Analog Devices Inc.

LTC3826EG-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

2,718
RFQ
LTC3826EG-1#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1143CS#PBF Analog Devices Inc.

LTC1143CS#PBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

4,803
RFQ
LTC1143CS#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost 2 1 4V ~ 14V Up to 400kHz 100% No No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC3826IG-1#PBF Analog Devices Inc.

LTC3826IG-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

2,863
RFQ
LTC3826IG-1#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1266ACS#PBF Analog Devices Inc.

LTC1266ACS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

2,904
RFQ
LTC1266ACS#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 18V Up to 400kHz 100% Yes No - Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
MAX773ESD+ Analog Devices Inc./Maxim Integrated

MAX773ESD+

IC REG CTRLR BOOST 14SOIC

Analog Devices Inc./Maxim Integrated

100
RFQ
MAX773ESD+ Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Not For New Designs Transistor Driver Step-Up Positive Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable, Low Battery -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
LTC1143LCS#PBF Analog Devices Inc.

LTC1143LCS#PBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

4,931
RFQ
LTC1143LCS#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost 2 1 3.5V ~ 16V Up to 400kHz 100% No No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC3731HUH#PBF Analog Devices Inc.

LTC3731HUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

2,943
RFQ
LTC3731HUH#PBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 3 3 3.8V ~ 7V 225kHz ~ 680kHz 98.5% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 140°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3728IG#PBF Analog Devices Inc.

LTC3728IG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

2,924
RFQ
LTC3728IG#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1929CG-PG#PBF Analog Devices Inc.

LTC1929CG-PG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

4,790
RFQ
LTC1929CG-PG#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V - 99.5% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1148CS-3.3#PBF Analog Devices Inc.

LTC1148CS-3.3#PBF

IC REG CTRLR BUCK 14SOIC

Analog Devices Inc.

2,178
RFQ
LTC1148CS-3.3#PBF Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 20V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 14-SO
LTC1266AIS#PBF Analog Devices Inc.

LTC1266AIS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

3,520
RFQ
LTC1266AIS#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 18V Up to 400kHz 100% Yes No - Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC3899HUHF#PBF Analog Devices Inc.

LTC3899HUHF#PBF

IC REG CTRLR BUCK/BUCK-BST 38QFN

Analog Devices Inc.

2,066
RFQ
LTC3899HUHF#PBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck, Buck-Boost 3 2 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 100% Yes No - Enable, Frequency Control, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC1159CS-3.3#PBF Analog Devices Inc.

LTC1159CS-3.3#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

2,769
RFQ
LTC1159CS-3.3#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC1922IG-1#PBF Analog Devices Inc.

LTC1922IG-1#PBF

IC REG CTRLR FULL-BRIDGE 20SSOP

Analog Devices Inc.

2,651
RFQ
LTC1922IG-1#PBF Datasheet

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge 1 1 3.8V ~ 10.3V Up to 1MHz 99% Yes Yes - Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-SSOP
LTC7878AUH#PBF Analog Devices Inc.

LTC7878AUH#PBF

80V PEAK CURRENT MODE BUCK-BOOST

Analog Devices Inc.

4,216
RFQ
LTC7878AUH#PBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 5V ~ 70V 50kHz ~ 800kHz 90% (Typ) Yes Yes - Current Limit, Dead Time Control, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC1873EG#PBF Analog Devices Inc.

LTC1873EG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,947
RFQ
LTC1873EG#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 7V 550kHz 90% Yes No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3897HUHF#PBF Analog Devices Inc.

LTC3897HUHF#PBF

IC REG CTRLR BUCK BOOST 38QFN

Analog Devices Inc.

2,785
RFQ
LTC3897HUHF#PBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 65V 75kHz ~ 850kHz - Yes Yes - Current Limit, Frequency Control, Overcurrent, Ramping -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
MAX1745EUB/V+ Analog Devices Inc./Maxim Integrated

MAX1745EUB/V+

HIGH-VOLTAGE, STEP-DOWN DC-DC CO

Analog Devices Inc./Maxim Integrated

3,039
RFQ
MAX1745EUB/V+ Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 36V Up to 330kHz 100% No No - Enable -40°C ~ 85°C Automotive AEC-Q100 Surface Mount 10-uMAX/uSOP
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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.