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
ISL6551IB-T Intersil

ISL6551IB-T

ZVS FULL BRIDGE PWM CONTROLLER

Intersil

2,000
RFQ
ISL6551IB-T Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge 1 1 10.8V ~ 13.2V 50kHz ~ 500kHz 50% Yes No - Current Limit, Dead Time Control, Enable, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SOIC
ISL6551IB Intersil

ISL6551IB

DUAL SWITCHING CONTROLLER

Intersil

1,247
RFQ
ISL6551IB Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge 1 1 10.8V ~ 13.2V 50kHz ~ 500kHz 50% Yes No - Current Limit, Dead Time Control, Enable, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SOIC
UCC3585D-TI Texas Instruments

UCC3585D-TI

SWITCHING CONTROLLER, VOLTAGE-MO

Texas Instruments

6,350
RFQ
UCC3585D-TI Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 500kHz 1 Yes No - Current Limit, Enable, Frequency Control, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UCC3585D Unitrode

UCC3585D

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

525
RFQ
UCC3585D Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 500kHz 100% Yes No - Current Limit, Enable, Frequency Control, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SOIC
LTC3803HS6-5#TRPBF Analog Devices Inc.

LTC3803HS6-5#TRPBF

IC REG CTRLR FLYBACK TSOT23-6

Analog Devices Inc.

4,484
RFQ
LTC3803HS6-5#TRPBF Datasheet

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 4V ~ 8.1V 200kHz 80% No No - Current Limit, Enable -40°C ~ 150°C (TJ) - - Surface Mount TSOT-23-6
LTC3775EMSE#TRPBF Analog Devices Inc.

LTC3775EMSE#TRPBF

IC REG CTRLR BUCK 16MSOP

Analog Devices Inc.

2,595
RFQ
LTC3775EMSE#TRPBF Datasheet

Datasheet

PolyPhase® 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 250kHz ~ 1MHz 90% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-MSOP-EP
ISL8118IRZ Renesas Electronics Corporation

ISL8118IRZ

IC REG CTRLR BUCK 28QFN

Renesas Electronics Corporation

204
RFQ
ISL8118IRZ Datasheet

Datasheet

- 28-VFQFN Exposed Pad Tube 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 -40°C ~ 85°C (TA) - - Surface Mount 28-QFN (5x5)
ISL6558CRZ-T Intersil

ISL6558CRZ-T

SWITCHING CONTROLLER, VOLTAGE-MO

Intersil

5,890
RFQ
ISL6558CRZ-T Datasheet

Datasheet

- 20-VQFN Exposed Pad Bulk 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)
UCC3807D-3 Texas Instruments

UCC3807D-3

IC REG CTRLR MULT TOPOLOGY 8SOIC

Texas Instruments

2,526
RFQ
UCC3807D-3 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, SEPIC 1 1 4.1V ~ 13.5V 202kHz 78% No No - - 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
NCP5383MNR2G onsemi

NCP5383MNR2G

IC REG CTRLR BUCK 24QFN

onsemi

3,843
RFQ
NCP5383MNR2G Datasheet

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 13.2V 100kHz ~ 400kHz - Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-QFN (4x4)
UCC3961N Texas Instruments

UCC3961N

IC REG CTRLR FWRD CONV 14DIP

Texas Instruments

2,639
RFQ
UCC3961N 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 0°C ~ 70°C (TA) - - Through Hole 14-PDIP
ISL6445IAZ-TK Intersil

ISL6445IAZ-TK

DUAL SWITCHING CONTROLLER

Intersil

963
RFQ
ISL6445IAZ-TK Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 2 5.6V ~ 24V 1.4MHz 73% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
TPS51113DRCR Texas Instruments

TPS51113DRCR

IC REG CTRLR BUCK 10SON

Texas Instruments

4,668
RFQ
TPS51113DRCR Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 300kHz 72% Yes No - Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 10-VSON (3x3)
TL1451CNSR Texas Instruments

TL1451CNSR

IC REG CTRLR BUCK/BST/FLYBK 16SO

Texas Instruments

2,420
RFQ
TL1451CNSR Datasheet

Datasheet

- 16-SOIC (0.209", 5.30mm 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 -20°C ~ 85°C (TA) - - Surface Mount 16-SO
MAX1627ESA Analog Devices Inc./Maxim Integrated

MAX1627ESA

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc./Maxim Integrated

1,100
RFQ
MAX1627ESA Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16.5V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
LM5033MM/NOPB Texas Instruments

LM5033MM/NOPB

IC REG CTRLR PUSH-PULL 10MSOP

Texas Instruments

1,751
RFQ
LM5033MM/NOPB Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Last Time Buy PWM Signal Step-Up/Step-Down Positive Full-Bridge, Half-Bridge, Push-Pull 2 1 15V ~ 90V 200kHz, 600kHz - Yes Yes - Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-VSSOP
L6712AQTR STMicroelectronics

L6712AQTR

IC REG CTRLR BUCK 36VFQFPN

STMicroelectronics

1,784
RFQ
L6712AQTR Datasheet

Datasheet

- 36-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 7.5V ~ 15V 150kHz 80% Yes No - Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 36-VFQFPN (6x6)
L6712QTR STMicroelectronics

L6712QTR

IC REG CTRLR BUCK 36VFQFPN

STMicroelectronics

659
RFQ
L6712QTR Datasheet

Datasheet

- 36-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 7.5V ~ 15V 150kHz 80% Yes No - Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 36-VFQFPN (6x6)
TPS40071PWP Texas Instruments

TPS40071PWP

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

1,240
RFQ
TPS40071PWP Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Bulk Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 28V Up to 1MHz 93% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
MAX608EPA Analog Devices Inc./Maxim Integrated

MAX608EPA

IC REG CTRLR BOOST 8DIP

Analog Devices Inc./Maxim Integrated

1,898
RFQ
MAX608EPA Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up Positive Boost 1 1 1.8V ~ 16.5V Up to 300kHz - No No - Enable -40°C ~ 85°C (TA) - - Through Hole 8-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.