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
ISL6740IB Intersil

ISL6740IB

SWITCHING CONTROLLER

Intersil

9,030
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
ISL6740IV-T Intersil

ISL6740IV-T

SWITCHING CONTROLLER

Intersil

2,500
RFQ
ISL6740IV-T Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Bulk 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-TSSOP
ISL6740IB-T Intersil

ISL6740IB-T

SWITCHING CONTROLLER

Intersil

2,500
RFQ
ISL6740IB-T Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk 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
ISL6745AU-T Intersil

ISL6745AU-T

SWITCHING CONTROLLER

Intersil

2,500
RFQ
ISL6745AU-T Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge, Half-Bridge 2 1 9V ~ 16V Up to 1MHz 99% No No - Frequency Control, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 10-MSOP
ISL6741IB-T Intersil

ISL6741IB-T

SWITCHING CONTROLLER

Intersil

2,500
RFQ
ISL6741IB-T Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk 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
ISL6741IV-T Intersil

ISL6741IV-T

SWITCHING CONTROLLER

Intersil

2,500
RFQ
ISL6741IV-T Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Bulk 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-TSSOP
ISL6740IV Intersil

ISL6740IV

SWITCHING CONTROLLER

Intersil

2,305
RFQ
ISL6740IV Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm 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-TSSOP
MIC38C43YMM Microchip Technology

MIC38C43YMM

BICMOS CURRENT-MODE PWM CONTROLL

Microchip Technology

2,074
RFQ
MIC38C43YMM Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
LM2746MXA/NOPB National Semiconductor

LM2746MXA/NOPB

SWITCHING REGULATOR/CONTROLLER

National Semiconductor

232
RFQ
LM2746MXA/NOPB Datasheet

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 50kHz ~ 1MHz 80% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 14-HTSSOP
SG3524N STMicroelectronics

SG3524N

IC REG CTRLR FLYBK/PSH-PLL 16DIP

STMicroelectronics

205
RFQ
SG3524N Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive Flyback, Push-Pull 2 1 8V ~ 40V 300kHz 45% No No - Enable 0°C ~ 70°C (TA) - - Through Hole 16-DIP
CS51022ADBG onsemi

CS51022ADBG

IC REG CTRLR MULT TOP 16TSSOP

onsemi

4,572
RFQ
CS51022ADBG Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter, Push-Pull 1 1 7.7V ~ 20V 1MHz - No No - Current Limit, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
UC3548N Texas Instruments

UC3548N

IC REG CTRLR BUCK 16DIP

Texas Instruments

1,388
RFQ
UC3548N Datasheet

Datasheet

* 16-DIP (0.300", 7.62mm) Tube Obsolete - - - - - - - - - - - - - - - - Through Hole 16-PDIP
MAX15005BAUE/V+T Analog Devices Inc./Maxim Integrated

MAX15005BAUE/V+T

IC REG CTRLR MULT TOP 16TSSOP

Analog Devices Inc./Maxim Integrated

2,500
RFQ
MAX15005BAUE/V+T Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, SEPIC 1 1 4.5V ~ 40V 15kHz ~ 1MHz 80% No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 16-TSSOP
LV5761V-TLM-E Sanyo

LV5761V-TLM-E

STEP-DOWN SWITCHING REGULATOR

Sanyo

4,000
RFQ
LV5761V-TLM-E Datasheet

Datasheet

- 16-LSSOP (0.173", 4.40mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 8.5V ~ 42V 125kHz 85% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
CS45008DR14G onsemi

CS45008DR14G

IC REG AUTODOWN 14SOIC

onsemi

2,425
RFQ

-

* - Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
ISL8103IRZ Intersil

ISL8103IRZ

SWITCHING CONTROLLER

Intersil

430
RFQ
ISL8103IRZ Datasheet

Datasheet

- 40-VFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 3 3 4.75V ~ 12.6V Up to 1.5MHz 66.6% Yes No - Enable, Frequency Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 40-QFN (6x6)
TL1451AQPWRG4Q1 Texas Instruments

TL1451AQPWRG4Q1

IC REG CTRLR MULT TOP 16TSSOP

Texas Instruments

1,407
RFQ
TL1451AQPWRG4Q1 Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback 2 1 3.6V ~ 50V 1kHz ~ 500kHz - No No - Frequency Control -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 16-TSSOP
ISL6526CBZ-T Intersil

ISL6526CBZ-T

SWITCHING CONTROLLER, VOLTAGE-MO

Intersil

2,500
RFQ
ISL6526CBZ-T Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
MAX1547AETL-TG075 Analog Devices Inc./Maxim Integrated

MAX1547AETL-TG075

8-BIT ADC WITH VREF

Analog Devices Inc./Maxim Integrated

97,500
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
TL1451ACN Texas Instruments

TL1451ACN

IC REG CTRLR BCK/BST/FLYBK 16DIP

Texas Instruments

2,762
RFQ
TL1451ACN Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback 2 1 3.6V ~ 50V 1kHz ~ 500kHz - No No - Frequency Control -20°C ~ 85°C (TA) - - Through Hole 16-PDIP
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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.