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
ISL6520ACBR5148 Intersil

ISL6520ACBR5148

SWITCHING CONTROLLER, VOLTAGE-MO

Intersil

1,960
RFQ
ISL6520ACBR5148 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 1 Yes No - Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ISL6545CBZS2698 Intersil

ISL6545CBZS2698

SWITCHING CONTROLLER

Intersil

1,910
RFQ
ISL6545CBZS2698 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14.4V 300kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
UCC2961N Unitrode

UCC2961N

IC REG CTRLR FWRD CONV 14DIP

Unitrode

1,900
RFQ
UCC2961N Datasheet

Datasheet

- 14-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 8V ~ 19V 400kHz 72% Yes No - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Through Hole 14-PDIP
ISL6545ACBZ-TS2698 Intersil

ISL6545ACBZ-TS2698

SWITCHING CONTROLLER

Intersil

895
RFQ
ISL6545ACBZ-TS2698 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14.4V 600kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
MAX8743EEI Analog Devices Inc./Maxim Integrated

MAX8743EEI

DUAL STEP-DOWN CONTROLLER

Analog Devices Inc./Maxim Integrated

879
RFQ
MAX8743EEI Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Bulk Active 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 - - Surface Mount 28-QSOP
ISL6223CAZAR5194 Intersil

ISL6223CAZAR5194

SWITCHING CONTROLLER

Intersil

870
RFQ
ISL6223CAZAR5194 Datasheet

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Bulk Active PWM Signal Step-Down Positive Buck 2 2 4.75V ~ 5.25V 50kHz ~ 1.5MHz - - No - Enable, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-QSOP
NCP81108AMNTXG onsemi

NCP81108AMNTXG

SWITCHING VOLTAGE REGULATOR

onsemi

20,000
RFQ

-

- 36-VFQFN Exposed Pad Bulk Active - - - - - - - - - - - - - - - - Surface Mount 36-QFN (5x5)
ISL6522BCB-T Intersil

ISL6522BCB-T

SWITCHING CONTROLLER

Intersil

2,500
RFQ
ISL6522BCB-T Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
ISL6426CB Intersil

ISL6426CB

SWITCHING CONTROLLER

Intersil

1,240
RFQ
ISL6426CB Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 100kHz ~ 700kHz 96% Yes Yes - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C - - Surface Mount 16-SOIC
ISL6522BCB Intersil

ISL6522BCB

SWITCHING CONTROLLER

Intersil

364
RFQ
ISL6522BCB Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
ML4770ESX Fairchild Semiconductor

ML4770ESX

CONV DC-DC SINGLE STEP UP 1.8V T

Fairchild Semiconductor

15,000
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
RT7753GCSGE Richtek USA Inc.

RT7753GCSGE

PWM CONTROLLER FOR USBPD SOT23-6

Richtek USA Inc.

2,960
RFQ
RT7753GCSGE Datasheet

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Flyback 1 1 9V ~ 42V - - No No - - - - - Surface Mount SOT-23-6
MAX1844EEP Analog Devices Inc./Maxim Integrated

MAX1844EEP

IC REG CTRLR BUCK 20QSOP

Analog Devices Inc./Maxim Integrated

4,120
RFQ
MAX1844EEP Datasheet

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 200kHz, 300kHz, 450kHz, 600kHz - Yes No - Current Limit, Enable, On Time Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
LV5069JA-AH onsemi

LV5069JA-AH

IC REG CTRLR BUCK 16SSOP

onsemi

1,664
RFQ

-

- 16-LSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 23V 330kHz 94% No No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
TL3842D-8 Texas Instruments

TL3842D-8

IC REG CTRLR BST FLYBK PWM 8SOIC

Texas Instruments

941
RFQ
TL3842D-8 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 97% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
TL3844D Texas Instruments

TL3844D

IC REG CTRLR BST FLYBK CM 14SOIC

Texas Instruments

792
RFQ
TL3844D Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
TL3844D-8 Texas Instruments

TL3844D-8

IC REG CTRLR BST FLYBK PWM 8SOIC

Texas Instruments

1,020
RFQ
TL3844D-8 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
TL3843D Texas Instruments

TL3843D

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

778
RFQ
TL3843D Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 97% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
TL494CPW Texas Instruments

TL494CPW

IC REG CTRLR MULT TOP 16TSSOP

Texas Instruments

2,761
RFQ
TL494CPW Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Obsolete 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 ~ 40V 1kHz ~ 300kHz 45% No No - Dead Time Control, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-TSSOP
TL494CD Texas Instruments

TL494CD

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

1,780
RFQ
TL494CD Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete 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 ~ 40V 1kHz ~ 300kHz 45% No No - Dead Time Control, Frequency Control 0°C ~ 70°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.