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
LTC3857IUH#TRPBF Analog Devices Inc.

LTC3857IUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

4,280
RFQ
LTC3857IUH#TRPBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 38V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LT3840HFE#TRPBF Analog Devices Inc.

LT3840HFE#TRPBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

3,027
RFQ
LT3840HFE#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 ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
ISL81401AFRZ-T7A Renesas Electronics Corporation

ISL81401AFRZ-T7A

40V 4-SW SYNCH BUCK-BOOST PWM CO

Renesas Electronics Corporation

129
RFQ
ISL81401AFRZ-T7A Datasheet

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Obsolete PWM Signal Step-Up/Step-Down Positive Buck-Boost 1 2 4.5V ~ 40V 90kHz ~ 650kHz - Yes Yes - Current Limit, Enable, Power Good -40°C ~ 125°C (TA) - - Surface Mount 32-QFN (5x5)
ISL81802FRTZ-T Renesas Electronics Corporation

ISL81802FRTZ-T

80V DUAL SYNC BUCK CONTROLLER 32

Renesas Electronics Corporation

6,000
RFQ
ISL81802FRTZ-T Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 80V 100kHz ~ 1MHz - 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 - - Surface Mount 32-TQFN (5x5)
UC2856DW Texas Instruments

UC2856DW

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

616
RFQ
UC2856DW Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 40V 200kHz 47% Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
LTC3736EUF#TRPBF Analog Devices Inc.

LTC3736EUF#TRPBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

1,296
RFQ
LTC3736EUF#TRPBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) 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-QFN (4x4)
UC2870DW-1 Texas Instruments

UC2870DW-1

SWITCHING CONTROLLER

Texas Instruments

1,360
RFQ
UC2870DW-1 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL9443IRZ Intersil

ISL9443IRZ

SWITCHING CONTROLLER

Intersil

653
RFQ
ISL9443IRZ Datasheet

Datasheet

- 32-VFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 3 2 4.5V ~ 28V 600kHz ~ 1.2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
ADP1828YRQZ-R7 Analog Devices Inc.

ADP1828YRQZ-R7

IC REG CTRLR BUCK 20QSOP

Analog Devices Inc.

4,398
RFQ
ADP1828YRQZ-R7 Datasheet

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 20V 300kHz, 600kHz 93% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
ADP1828ACPZ-R7 Analog Devices Inc.

ADP1828ACPZ-R7

IC REG CTRLR BUCK 20LFCSP

Analog Devices Inc.

1,102
RFQ
ADP1828ACPZ-R7 Datasheet

Datasheet

- 20-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 20V 300kHz, 600kHz 93% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 20-LFCSP (4x4)
ISL8117AFRZ-T7A Renesas Electronics Corporation

ISL8117AFRZ-T7A

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

598
RFQ
ISL8117AFRZ-T7A Datasheet

Datasheet

- 16-TFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 60V 100kHz ~ 2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (4x4)
LT3800IFE#TRPBF Analog Devices Inc.

LT3800IFE#TRPBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

3,315
RFQ
LT3800IFE#TRPBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 60V 200kHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
UCC25702N Texas Instruments

UCC25702N

IC REG CTRLR MULT TOPOLOGY 14DIP

Texas Instruments

4,273
RFQ
UCC25702N Datasheet

Datasheet

- 14-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 8.8V ~ 15V 100kHz 99% No Yes - Current Limit, Frequency Control, Sequencing, Soft Start -40°C ~ 85°C (TA) - - Through Hole 14-PDIP
MAX25203ATJA/VY+ Analog Devices Inc./Maxim Integrated

MAX25203ATJA/VY+

IC 36V DUAL PHASE BOOST I2C

Analog Devices Inc./Maxim Integrated

2,419
RFQ
MAX25203ATJA/VY+ Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tray Obsolete Transistor Driver Step-Up Positive Boost 1 2 1.8V ~ 36V 220kHz ~ 2.1MHz - Yes Yes I2C, SMBus Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start, Sync -40°C ~ 125°C (TA) - - Surface Mount, Wettable Flank 32-WETQFN (5x5)
MAX25203BATJA/VY+ Analog Devices Inc./Maxim Integrated

MAX25203BATJA/VY+

36V DUAL PHASE BOOST CONTROLLER

Analog Devices Inc./Maxim Integrated

2,277
RFQ
MAX25203BATJA/VY+ Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Up Positive Boost 1 2 1.8V ~ 36V 220kHz ~ 2.1MHz - Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start, Sync -40°C ~ 125°C (TA) - - Surface Mount, Wettable Flank 32-WETQFN (5x5)
UCD9220RGZR Texas Instruments

UCD9220RGZR

IC REG CTRLR BUCK PMBUS 48VQFN

Texas Instruments

3,130
RFQ
UCD9220RGZR Datasheet

Datasheet

- 48-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 4 4 3V ~ 3.6V 15.26kHz ~ 2MHz 100% No Yes I2C, PMBus, SMBus Tracking -40°C ~ 125°C (TJ) - - Surface Mount 48-VQFN (7x7)
MAX741UCAP+ Analog Devices Inc./Maxim Integrated

MAX741UCAP+

IC REG CTRLR BUCK/BOOST 20SSOP

Analog Devices Inc./Maxim Integrated

3,819
RFQ
MAX741UCAP+ Datasheet

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Down Positive or Negative Buck, Boost 1 1 2.7V ~ 15.5V - - No Yes - Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-SSOP
MAX1845EEI+ Analog Devices Inc./Maxim Integrated

MAX1845EEI+

IC REG CTRLR BUCK 28QSOP

Analog Devices Inc./Maxim Integrated

4,705
RFQ
MAX1845EEI+ Datasheet

Datasheet

* - Bulk Obsolete - - - - - - - - - - - - - - - - - -
ADP1822ARQZ-R7 Analog Devices Inc.

ADP1822ARQZ-R7

IC REG CTRLR BUCK 24QSOP

Analog Devices Inc.

3,069
RFQ
ADP1822ARQZ-R7 Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.7V ~ 5.5V 310kHz, 570kHz - Yes Yes - Enable, Frequency Control, Margining, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
LT3782AEFE#TRPBF Analog Devices Inc.

LT3782AEFE#TRPBF

IC REG CTRLR BOOST 28TSSOP

Analog Devices Inc.

4,230
RFQ
LT3782AEFE#TRPBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 6V ~ 40V 154kHz ~ 465kHz 94% Yes Yes - Enable, Frequency Control, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
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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.