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
CS5307GDWR24 onsemi

CS5307GDWR24

IC REG CTRLR BUCK 24SOIC

onsemi

1,024
RFQ
CS5307GDWR24 Datasheet

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 4 4 8V ~ 18V 200kHz ~ 800kHz 100% No No - Frequency Control, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-SOIC
MAX17068AAX+ Analog Devices Inc./Maxim Integrated

MAX17068AAX+

1 TO 3-CELL, HIGH-CURRENT, LOW-N

Analog Devices Inc./Maxim Integrated

9,570
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6559CR-T Intersil

ISL6559CR-T

SWITCHING CONTROLLER

Intersil

6,000
RFQ
ISL6559CR-T Datasheet

Datasheet

- 32-VFQFN Exposed Pad Bulk 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)
ISL6558CB Intersil

ISL6558CB

SWITCHING CONTROLLER

Intersil

5,884
RFQ
ISL6558CB 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 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
CS5307GDW24 onsemi

CS5307GDW24

SWITCHING CONTROLLER

onsemi

990
RFQ
CS5307GDW24 Datasheet

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Bulk Active PWM Signal Step-Down Positive Buck 4 4 8V ~ 18V 200kHz ~ 800kHz 1 No No - Frequency Control, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-SOIC
ISL6559CR Intersil

ISL6559CR

SWITCHING CONTROLLER

Intersil

269
RFQ
ISL6559CR Datasheet

Datasheet

- 32-VFQFN Exposed Pad 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 32-QFN (5x5)
ISL6565ACB-T Intersil

ISL6565ACB-T

SWITCHING CONTROLLER

Intersil

24,000
RFQ
ISL6565ACB-T Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk 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
UC3526AQ Texas Instruments

UC3526AQ

IC REG CTRLR MULT TOP 20PLCC

Texas Instruments

4,711
RFQ
UC3526AQ Datasheet

Datasheet

- 20-LCC (J-Lead) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 35V 1Hz ~ 600kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-PLCC (9x9)
LM2737MTC National Semiconductor

LM2737MTC

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

1,130
RFQ
LM2737MTC Datasheet

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 50kHz ~ 2MHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
LM2727MTC National Semiconductor

LM2727MTC

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

737
RFQ
LM2727MTC Datasheet

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 50kHz ~ 2MHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
MCP1632-BAE/MC Microchip Technology

MCP1632-BAE/MC

IC REG CTRLR MULT TOPOLOGY 8DFN

Microchip Technology

430
RFQ
MCP1632-BAE/MC Datasheet

Datasheet

- 8-VFDFN Exposed Pad Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Cuk, Flyback, SEPIC 1 1 3V ~ 5.5V 600kHz 85% Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
ISL6565BCB Intersil

ISL6565BCB

SWITCHING CONTROLLER

Intersil

389
RFQ
ISL6565BCB 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
ISL6565ACB Intersil

ISL6565ACB

SWITCHING CONTROLLER

Intersil

268
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
HA17451AP Renesas Electronics Corporation

HA17451AP

DUAL SWITCHING CONTROLLER

Renesas Electronics Corporation

2,724
RFQ
HA17451AP Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
MAX1967EUB Analog Devices Inc./Maxim Integrated

MAX1967EUB

PWM STEP-DOWN CONTROLLER

Analog Devices Inc./Maxim Integrated

1,196
RFQ
MAX1967EUB Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 28V 102kHz 95% Yes No - Current Limit, Enable, Dead Time Control, Pulse Skipping, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX
MAX1524EUT+T Analog Devices Inc./Maxim Integrated

MAX1524EUT+T

IC REG CTRLR MULT TOP SOT23-6

Analog Devices Inc./Maxim Integrated

3,485
RFQ
MAX1524EUT+T Datasheet

Datasheet

- SOT-23-6 Tape & Reel (TR) Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 2.5V ~ 5.5V - 85% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-6
UC3886DTR Texas Instruments

UC3886DTR

SWITCHING CONTROLLER

Texas Instruments

2,500
RFQ
UC3886DTR Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 10.3V ~ 20V 100kHz 90% No No - Enable, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
MAX1524EUT Analog Devices Inc./Maxim Integrated

MAX1524EUT

IC REG CTRLR MULT TOP SOT23-6

Analog Devices Inc./Maxim Integrated

2,290
RFQ
MAX1524EUT Datasheet

Datasheet

- SOT-23-6 Tray Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 2.5V ~ 5.5V - 85% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-6
RT8125HGQW Richtek USA Inc.

RT8125HGQW

IC REG CTRLR BUCK PWM WDFN-10

Richtek USA Inc.

1,500
RFQ
RT8125HGQW Datasheet

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 300kHz - Yes No - Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-WDFN (3x3)
RT8125CGQW Richtek USA Inc.

RT8125CGQW

IC REG CTRLR BUCK PWM WDFN-10

Richtek USA Inc.

1,500
RFQ
RT8125CGQW Datasheet

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 1.5V ~ 24V 300kHz - Yes No - Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 10-WDFN (3x3)
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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.