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
ML4875CS-T Rochester Electronics, LLC

ML4875CS-T

SWITCHING REG, VOLTAGE-MODE, 1.5

Rochester Electronics, LLC

153
RFQ
ML4875CS-T Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL81806FRTZ-T Renesas Electronics Corporation

ISL81806FRTZ-T

80V SYNC DUAL BUCK PWM CONTROLLE

Renesas Electronics Corporation

5,244
RFQ
ISL81806FRTZ-T Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 80V 100kHz ~ 2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power On Reset, Ramp, Soft Start, Tracking -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
MAX5065EAI+ Analog Devices Inc./Maxim Integrated

MAX5065EAI+

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

3,890
RFQ
MAX5065EAI+ Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 250kHz, 500kHz - Yes No - Enable, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
MAX8743ETX+ Analog Devices Inc./Maxim Integrated

MAX8743ETX+

IC POWER MANAGEMENT

Analog Devices Inc./Maxim Integrated

964
RFQ
MAX8743ETX+ Datasheet

Datasheet

- 36-WFQFN Exposed Pad Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 1 2V ~ 28V 200kHz, 300kHz, 420kHz, 540kHz - Yes No - Current Limit, Enable, On Time Control, Power Good, Pulse Skipping -40°C ~ 85°C (TA) - - Surface Mount 36-TQFN (6x6)
LM1575K-15/883C National Semiconductor

LM1575K-15/883C

SMPS CONTROLLER, SWITCHING VOLT

National Semiconductor

758
RFQ
LM1575K-15/883C Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
LM1575K-12/883C National Semiconductor

LM1575K-12/883C

SMPS CONTROLLER, SWITCHING VOLT

National Semiconductor

517
RFQ
LM1575K-12/883C Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
LTC7818IUJ#WTRPBF Analog Devices Inc.

LTC7818IUJ#WTRPBF

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

Analog Devices Inc.

1,818
RFQ
LTC7818IUJ#WTRPBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad 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) - - Surface Mount 40-QFN (6x6)
UCC2803J Unitrode

UCC2803J

1A, 1000KHZ BICMOS, CDIP8

Unitrode

1,058
RFQ
UCC2803J Datasheet

Datasheet

- 8-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 3.6V ~ 12V 31kHz 99% No No - Current Limit, Dead Time Control, Soft Start -40°C ~ 85°C Automotive AEC-Q100 Through Hole 8-CDIP
LTC7801IUFD#TRPBF Analog Devices Inc.

LTC7801IUFD#TRPBF

IC REG CTRLR SYNC BUCK 24QFN

Analog Devices Inc.

2,415
RFQ
LTC7801IUFD#TRPBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) 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 ~ 125°C (TJ) - - Surface Mount 24-QFN (4x5)
MAX1532AETL Analog Devices Inc./Maxim Integrated

MAX1532AETL

CPU 2-PHASE STEP-DOWN CONTROL

Analog Devices Inc./Maxim Integrated

1,394
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
MAX1532ETL Analog Devices Inc./Maxim Integrated

MAX1532ETL

IMVP4 INTEL CPU DUAL-PHASE STEP-

Analog Devices Inc./Maxim Integrated

260
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
LTC3859IUHF#TRPBF Analog Devices Inc.

LTC3859IUHF#TRPBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

4,421
RFQ
LTC3859IUHF#TRPBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tape & Reel (TR) 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)
UC2824N Texas Instruments

UC2824N

IC REG CTRLR BOOST 16DIP

Texas Instruments

3,650
RFQ
UC2824N Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up Positive Boost 1 1 8.4V ~ 30V 340kHz ~ 460kHz 80% No No - Current Limit, Enable, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
LTC1628CG-SYNC#TRPBF Analog Devices Inc.

LTC1628CG-SYNC#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,988
RFQ
LTC1628CG-SYNC#TRPBF Datasheet

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SSOP
ISL81801FRTZ-T7A Renesas Electronics Corporation

ISL81801FRTZ-T7A

80V BI-DIRECTIONAL BUCK-BOOST CO

Renesas Electronics Corporation

1,931
RFQ
ISL81801FRTZ-T7A Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Buck-Boost 4 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 Star, Tracking -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
ISL81801FVEZ-T7A Renesas Electronics Corporation

ISL81801FVEZ-T7A

80V BI-DIRECTIONAL BUCK-BOOST CO

Renesas Electronics Corporation

328
RFQ
ISL81801FVEZ-T7A Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Buck-Boost 4 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 Star, Tracking -40°C ~ 125°C (TA) - - Surface Mount 38-HTSSOP
MAX767CAP+ Analog Devices Inc./Maxim Integrated

MAX767CAP+

IC REG CTRLR BUCK 20SSOP

Analog Devices Inc./Maxim Integrated

1,202
RFQ
MAX767CAP+ Datasheet

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Last Time Buy Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 200kHz, 300kHz 95% Yes Yes - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-SSOP
LTC7801HFE#TRPBF Analog Devices Inc.

LTC7801HFE#TRPBF

IC REG CTRLR SYNC BUCK 24TSSOP

Analog Devices Inc.

3,991
RFQ
LTC7801HFE#TRPBF Datasheet

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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-TSSOP
MAX1532AETL+ Analog Devices Inc./Maxim Integrated

MAX1532AETL+

IC INTEGRATED CIRCUIT

Analog Devices Inc./Maxim Integrated

2,990
RFQ

-

* - Bulk Obsolete - - - - - - - - - - - - - - - - - -
UC1826J Texas Instruments

UC1826J

SWITCHING CONTROLLER

Texas Instruments

287
RFQ
UC1826J Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
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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.