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
LTC1649CS#PBF Analog Devices Inc.

LTC1649CS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

1,875
RFQ
LTC1649CS#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 5V 200kHz 93% Yes No - Current Limit, Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC7818HUJ#PBF Analog Devices Inc.

LTC7818HUJ#PBF

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

Analog Devices Inc.

4,869
RFQ
LTC7818HUJ#PBF Datasheet

Datasheet

- - Tube Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 4.5V ~ 40V 100kHz ~ 3MHz - Yes No - - -40°C ~ 150°C - - - -
LTC3736EUF-1#PBF Analog Devices Inc.

LTC3736EUF-1#PBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

4,667
RFQ
LTC3736EUF-1#PBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
LTC1439IG#PBF Analog Devices Inc.

LTC1439IG#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

3,588
RFQ
LTC1439IG#PBF Datasheet

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC1439IGW#PBF Analog Devices Inc.

LTC1439IGW#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

2,855
RFQ
LTC1439IGW#PBF Datasheet

Datasheet

- 36-BSOP (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC3890IGN-3#PBF Analog Devices Inc.

LTC3890IGN-3#PBF

IC REG CTRLR BUCK/SEPIC 28SSOP

Analog Devices Inc.

2,953
RFQ
LTC3890IGN-3#PBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, SEPIC 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC1929CG#PBF Analog Devices Inc.

LTC1929CG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,497
RFQ
LTC1929CG#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
MAX15157DATJ+ Analog Devices Inc./Maxim Integrated

MAX15157DATJ+

48V CURRENT MODE BUCK CONTROLLER

Analog Devices Inc./Maxim Integrated

489
RFQ
MAX15157DATJ+ Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 1 1 8V ~ 60V 60kHz ~ 1MHz 50% No Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
LTC3883IUH#TRPBF Analog Devices Inc.

LTC3883IUH#TRPBF

IC REG CTRLR BUCK PMBUS 32QFN

Analog Devices Inc.

2,197
RFQ
LTC3883IUH#TRPBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) 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)
LTC3851AMPMSE-1#PBF Analog Devices Inc.

LTC3851AMPMSE-1#PBF

IC REG CTRLR BUCK 16MSOP

Analog Devices Inc.

4,989
RFQ
LTC3851AMPMSE-1#PBF Datasheet

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) 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 -55°C ~ 150°C (TJ) - - Surface Mount 16-MSOP-EP
LTC3728LIUH-1#PBF Analog Devices Inc.

LTC3728LIUH-1#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

2,844
RFQ
LTC3728LIUH-1#PBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 35V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
MAX20754ETMA2+ Analog Devices Inc./Maxim Integrated

MAX20754ETMA2+

6CH CONFIGURABLE MASTER W/ PMBUS

Analog Devices Inc./Maxim Integrated

665
RFQ
MAX20754ETMA2+ Datasheet

Datasheet

- 48-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 10V ~ 16V 300kHz ~ 800kHz - No No PMBus, SMBus - -40°C ~ 125°C - - Surface Mount 48-TQFN (7x7)
LTC3826EUH#PBF Analog Devices Inc.

LTC3826EUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

1,483
RFQ
LTC3826EUH#PBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad 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 32-QFN (5x5)
LTC1148CS-5#PBF Analog Devices Inc.

LTC1148CS-5#PBF

IC REG CTRLR BUCK 14SOIC

Analog Devices Inc.

3,153
RFQ
LTC1148CS-5#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
LTC3826IUH#PBF Analog Devices Inc.

LTC3826IUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

1,882
RFQ
LTC3826IUH#PBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad 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 32-QFN (5x5)
LTC3896HFE#TRPBF Analog Devices Inc.

LTC3896HFE#TRPBF

IC REG BUCK BOOST 38TSSOP

Analog Devices Inc.

1,201
RFQ
LTC3896HFE#TRPBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 4V ~ 140V 50kHz ~ 900kHz 99% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC3859ALIUHF#WPBF Analog Devices Inc.

LTC3859ALIUHF#WPBF

3X OUT, BUCK/BUCK/BOOST SYNC CNT

Analog Devices Inc.

104
RFQ
LTC3859ALIUHF#WPBF 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 ~ 36V 50kHz ~ 900kHz 100% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC1649IS#PBF Analog Devices Inc.

LTC1649IS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

3,081
RFQ
LTC1649IS#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 5V 200kHz 93% Yes No - Current Limit, Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC1436AIGN-PLL#PBF Analog Devices Inc.

LTC1436AIGN-PLL#PBF

IC REG CTRLR BUCK 24SSOP

Analog Devices Inc.

1,817
RFQ
LTC1436AIGN-PLL#PBF Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
LTC3859ALHUHF#WPBF Analog Devices Inc.

LTC3859ALHUHF#WPBF

3X OUT, BUCK/BUCK/BOOST SYNC CNT

Analog Devices Inc.

104
RFQ
LTC3859ALHUHF#WPBF 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 ~ 36V 50kHz ~ 900kHz 100% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
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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.