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
ISL6558CRZ Renesas Electronics Corporation

ISL6558CRZ

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

4,584
RFQ
ISL6558CRZ Datasheet

Datasheet

- 20-VQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 75% - No - Enable, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-QFN (5x5)
XC9120B091MR-G Torex Semiconductor Ltd

XC9120B091MR-G

STEP-UP DCDC CONTROLLER MAX.DUTY

Torex Semiconductor Ltd

1,973
RFQ
XC9120B091MR-G Datasheet

Datasheet

XC9120 SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up Positive Boost 1 1 1.8V ~ 6V 100kHz 93% No No - Enable -40°C ~ 85°C - - Surface Mount SOT-25-5
ISL8118CRZ-T Renesas Electronics Corporation

ISL8118CRZ-T

IC REG CTRLR BUCK 28QFN

Renesas Electronics Corporation

3,115
RFQ
ISL8118CRZ-T Datasheet

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.9V ~ 5.6V 250kHz ~ 2MHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-QFN (5x5)
MAX25203ATJA/VY+T Analog Devices Inc./Maxim Integrated

MAX25203ATJA/VY+T

36V DUAL PHASE BOOST CONTROLLER

Analog Devices Inc./Maxim Integrated

4,655
RFQ
MAX25203ATJA/VY+T Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up Positive Boost 1 2 1.8V ~ 36V 220kHz ~ 2.2MHz - 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)
ISL6540ACRZ Renesas Electronics Corporation

ISL6540ACRZ

IC REG CTRLR BUCK 28QFN

Renesas Electronics Corporation

1,503
RFQ
ISL6540ACRZ Datasheet

Datasheet

- 28-VFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 22V 250kHz ~ 2MHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-QFN (5x5)
LM5146QRGYRQ1 Texas Instruments

LM5146QRGYRQ1

IC POWER REGULATOR

Texas Instruments

4,932
RFQ
LM5146QRGYRQ1 Datasheet

Datasheet

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - Automotive AEC-Q100 - -
UCC3895DWTRG4 Texas Instruments

UCC3895DWTRG4

IC OFFLINE SW FULL-BRDG 20SOIC

Texas Instruments

1,695
RFQ
UCC3895DWTRG4 Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Discontinued at Digi-Key PWM - Positive Phase-Shifted Full-Bridge 1 1 10V ~ 16.5V 1MHz 100% - Yes - Frequency Control, Soft Start, Sync 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
UCC3895PWTRG4 Texas Instruments

UCC3895PWTRG4

IC OFFLINE SW FULL-BRG 20TSSOP

Texas Instruments

4,681
RFQ
UCC3895PWTRG4 Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key PWM - Positive Phase-Shifted Full-Bridge 1 1 10V ~ 16.5V 1MHz 100% - Yes - Frequency Control, Soft Start, Sync 0°C ~ 70°C (TA) - - Surface Mount 20-TSSOP
ISL8117FVEZ-T Renesas Electronics Corporation

ISL8117FVEZ-T

IC REG CTRLR BUCK 16HTSSOP

Renesas Electronics Corporation

1,319
RFQ
ISL8117FVEZ-T Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active 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-HTSSOP
SC2441ITSTRT Semtech Corporation

SC2441ITSTRT

IC REG CTRLR BUCK 28TSSOP

Semtech Corporation

3,554
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 1.8V ~ 15V Up to 1MHz 90% Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-TSSOP
LM2743MTCX Texas Instruments

LM2743MTCX

IC REG CTRLR BUCK 14TSSOP

Texas Instruments

4,814
RFQ
LM2743MTCX Datasheet

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 6V 50kHz ~ 1MHz 80% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
TPS51124RGERG4 Texas Instruments

TPS51124RGERG4

IC REG CTRLR BUCK 24QFN

Texas Instruments

4,410
RFQ
TPS51124RGERG4 Datasheet

Datasheet

D-CAP™ 24-VFQFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 2 1 4.5V ~ 5.5V - - Yes No - Enable, On Time Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 24-VQFN (4x4)
MIC2198BML Microchip Technology

MIC2198BML

IC REG CTRLR BUCK 12MLF

Microchip Technology

2,605
RFQ
MIC2198BML Datasheet

Datasheet

- 12-VFDFN Exposed Pad, 12-MLF® Tray Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 32V 500kHz 76% Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 12-MLF™ (4x4)
ISL6540AIRZA Renesas Electronics Corporation

ISL6540AIRZA

IC REG CTRLR BUCK 28QFN

Renesas Electronics Corporation

2,796
RFQ
ISL6540AIRZA Datasheet

Datasheet

- 28-VFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 22V 250kHz ~ 2MHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-QFN (5x5)
SC508AULTRT Semtech Corporation

SC508AULTRT

IC REG CTRLR BUCK 20MLPQ

Semtech Corporation

1,167
RFQ
SC508AULTRT Datasheet

Datasheet

EcoSpeed®, SmartDrive™ 20-UFQFN Exposed Pad Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 46V Up to 1MHz - Yes No - Current Limit, Enable, On Time Control, Power Good, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 20-MLPQ-UT (3x3)
TPS40021PWP Texas Instruments

TPS40021PWP

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

4,445
RFQ
TPS40021PWP Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tube Last Time Buy Transistor Driver Step-Down Positive Buck 1 1 2.25V ~ 5.5V 100kHz ~ 1MHz 95% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
ISL68201IRZ-T Renesas Electronics Corporation

ISL68201IRZ-T

IC REG CTRLR BUCK PMBUS 24QFN

Renesas Electronics Corporation

1,727
RFQ
ISL68201IRZ-T Datasheet

Datasheet

Rapid Robust Ripple Regulator™ (R4) 24-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 1 1 4.5V ~ 24V 300kHz ~ 1.5MHz - No No I2C, PMBus, SMBus Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
MAX5974DETE+G2Z Analog Devices Inc./Maxim Integrated

MAX5974DETE+G2Z

IC REG CTRLR MULT TOP 16TQFN

Analog Devices Inc./Maxim Integrated

2,299
RFQ
MAX5974DETE+G2Z Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 8.4V ~ 26V 100kHz ~ 600kHz 80% Yes Yes - Dead Time Control, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-TQFN (3x3)
MAX5974DETE+G3U Analog Devices Inc./Maxim Integrated

MAX5974DETE+G3U

IC REG CTRLR MULT TOP 16TQFN

Analog Devices Inc./Maxim Integrated

1,315
RFQ
MAX5974DETE+G3U Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 8.4V ~ 26V 100kHz ~ 600kHz 80% Yes Yes - Dead Time Control, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-TQFN (3x3)
TPS40054PWPRG4 Texas Instruments

TPS40054PWPRG4

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

2,680
RFQ
TPS40054PWPRG4 Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 8V ~ 40V Up to 1MHz 94% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
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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.