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
ISL6527IR Renesas Electronics Corporation

ISL6527IR

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

3,447
RFQ
ISL6527IR Datasheet

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
ISL6558CR Renesas Electronics Corporation

ISL6558CR

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

2,658
RFQ
ISL6558CR Datasheet

Datasheet

- 20-VQFN Exposed Pad Tube Obsolete 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)
ISL6558CR-T Renesas Electronics Corporation

ISL6558CR-T

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

1,950
RFQ
ISL6558CR-T Datasheet

Datasheet

- 20-VQFN Exposed Pad Tape & Reel (TR) Obsolete 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)
ISL6558CRZA Renesas Electronics Corporation

ISL6558CRZA

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

4,775
RFQ
ISL6558CRZA Datasheet

Datasheet

- 20-VQFN Exposed Pad Tube Obsolete 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)
ISL6558CRZA-T Renesas Electronics Corporation

ISL6558CRZA-T

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

1,028
RFQ
ISL6558CRZA-T Datasheet

Datasheet

- 20-VQFN Exposed Pad Tape & Reel (TR) Obsolete 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)
ISL6558IBZ Renesas Electronics Corporation

ISL6558IBZ

IC REG CTRLR BUCK 16SOIC

Renesas Electronics Corporation

1,816
RFQ
ISL6558IBZ Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 75% - No - Enable, Frequency Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
ISL6558IBZ-T Renesas Electronics Corporation

ISL6558IBZ-T

IC REG CTRLR BUCK 16SOIC

Renesas Electronics Corporation

4,997
RFQ
ISL6558IBZ-T Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 75% - No - Enable, Frequency Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
ISL6558IR Renesas Electronics Corporation

ISL6558IR

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

2,536
RFQ
ISL6558IR Datasheet

Datasheet

- 20-VQFN Exposed Pad Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 75% - No - Enable, Frequency Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 20-QFN (5x5)
ISL6558IR-T Renesas Electronics Corporation

ISL6558IR-T

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

4,689
RFQ
ISL6558IR-T Datasheet

Datasheet

- 20-VQFN Exposed Pad Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 75% - No - Enable, Frequency Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 20-QFN (5x5)
ISL6559CBZ Renesas Electronics Corporation

ISL6559CBZ

IC REG CTRLR BUCK 28SOIC

Renesas Electronics Corporation

2,838
RFQ
ISL6559CBZ Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1MHz 75% - No - Current Limit, Enable, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 28-SOIC
ISL6559CRZ-T Renesas Electronics Corporation

ISL6559CRZ-T

IC REG CTRLR BUCK 32QFN

Renesas Electronics Corporation

3,124
RFQ
ISL6559CRZ-T Datasheet

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1MHz 75% - No - Current Limit, Enable, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 32-QFN (5x5)
ISL6560CB Renesas Electronics Corporation

ISL6560CB

IC REG CTRLR BUCK 16SOIC

Renesas Electronics Corporation

2,105
RFQ
ISL6560CB Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 2 2 10.8V ~ 13.2V Up to 2MHz 50% - No - Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
ISL6560CBZ Renesas Electronics Corporation

ISL6560CBZ

IC REG CTRLR BUCK 16SOIC

Renesas Electronics Corporation

4,155
RFQ
ISL6560CBZ Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 2 2 10.8V ~ 13.2V Up to 2MHz 50% - No - Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
ISL6565ACB Renesas Electronics Corporation

ISL6565ACB

IC REG CTRLR BUCK 28SOIC

Renesas Electronics Corporation

1,460
RFQ
ISL6565ACB Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 3 3 4.75V ~ 5.25V 80kHz ~ 1.5MHz 66.7% - No - Enable, Frequency Control, Power Good 0°C ~ 105°C (TA) - - Surface Mount 28-SOIC
ISL6590DR-T Renesas Electronics Corporation

ISL6590DR-T

IC REG CTRLR BUCK ASI 64QFN

Renesas Electronics Corporation

1,836
RFQ
ISL6590DR-T Datasheet

Datasheet

- 64-VFQFN Exposed Pad - Obsolete PWM Signal Step-Down Positive Buck 6 6 3.135V ~ 3.465V 250kHz ~ 1MHz 24% - Yes ASI Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 64-QFN (9x9)
ISL6721AB Renesas Electronics Corporation

ISL6721AB

IC REG CTRLR BOOST/FLYBK 16SOIC

Renesas Electronics Corporation

3,802
RFQ
ISL6721AB Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 9V ~ 18V Up to 1MHz 75% No Yes - Current Limit, Frequency Control, Power Good, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 16-SOIC
ISL6721AB-T Renesas Electronics Corporation

ISL6721AB-T

IC REG CTRLR BOOST/FLYBK 16SOIC

Renesas Electronics Corporation

4,502
RFQ
ISL6721AB-T Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 9V ~ 18V Up to 1MHz 75% No Yes - Current Limit, Frequency Control, Power Good, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 16-SOIC
ISL6721AV Renesas Electronics Corporation

ISL6721AV

IC REG CTRLR BOOST/FLYBK 16TSSOP

Renesas Electronics Corporation

2,106
RFQ
ISL6721AV Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 9V ~ 18V Up to 1MHz 75% No Yes - Current Limit, Frequency Control, Power Good, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 16-TSSOP
ISL6729IBZ-T Renesas Electronics Corporation

ISL6729IBZ-T

IC REG CTRLR MULT TOPOLOGY 8SOIC

Renesas Electronics Corporation

4,022
RFQ
ISL6729IBZ-T Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 4.75V ~ 5.25V Up to 1MHz 99% Yes No - - -40°C ~ 105°C (TA) - - Surface Mount 8-SOIC
ISL6740IB Renesas Electronics Corporation

ISL6740IB

IC REG CTRLR MULT TOP 16SOIC

Renesas Electronics Corporation

4,793
RFQ
ISL6740IB Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge, Half-Bridge, Push-Pull 2 1 9V ~ 16V Up to 1MHz 83% Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 16-SOIC
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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.