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
UC3827N-2 Texas Instruments

UC3827N-2

IC REG CTRLR MULT TOPOLOGY 24DIP

Texas Instruments

3,655
RFQ
UC3827N-2 Datasheet

Datasheet

- 24-DIP (0.600", 15.24mm) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Full-Bridge, Push-Pull 3 1 7.6V ~ 20V 220kHz 91% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Through Hole 24-PDIP
UC3827N-1 Texas Instruments

UC3827N-1

IC REG CTRLR MULT TOPOLOGY 24DIP

Texas Instruments

1,540
RFQ
UC3827N-1 Datasheet

Datasheet

- 24-DIP (0.600", 15.24mm) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Full-Bridge, Push-Pull 3 1 7.6V ~ 20V 220kHz 91% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Through Hole 24-PDIP
MAX1716EEG+ Analog Devices Inc./Maxim Integrated

MAX1716EEG+

IC REG CTRLR BUCK 24QSOP

Analog Devices Inc./Maxim Integrated

1,713
RFQ
MAX1716EEG+ Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2V ~ 28V 200kHz, 300kHz, 400kHz, 550kHz 100% Yes No - Current Limit, Enable, On Time Control -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
UC2842AD Microchip Technology

UC2842AD

IC REG CTRLR PWM CM 14-SOIC

Microchip Technology

3,847
RFQ
UC2842AD Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC2842ADM Microchip Technology

UC2842ADM

IC REG CTRLR BST FLYBK ISO 8SOIC

Microchip Technology

2,299
RFQ
UC2842ADM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
ISL6526AIRZ Renesas Electronics Corporation

ISL6526AIRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

1,175
RFQ
ISL6526AIRZ 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)
LTC1735CGN#TRPBF Analog Devices Inc.

LTC1735CGN#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

3,737
RFQ
LTC1735CGN#TRPBF Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC3736EUF-2#TRPBF Analog Devices Inc.

LTC3736EUF-2#TRPBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

1,063
RFQ
LTC3736EUF-2#TRPBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes Yes - Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
LTC3853IUJ#TRPBF Analog Devices Inc.

LTC3853IUJ#TRPBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

1,106
RFQ
LTC3853IUJ#TRPBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 24V 250kHz ~ 750kHz 98% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
MAX1639ESE Analog Devices Inc./Maxim Integrated

MAX1639ESE

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc./Maxim Integrated

1,340
RFQ
MAX1639ESE Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz ~ 1MHz 90% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UPC1099CX(22)-A Renesas Electronics Corporation

UPC1099CX(22)-A

SWITCHING CONTROLLER

Renesas Electronics Corporation

1,009
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
LTC3773EUHF#TRPBF Analog Devices Inc.

LTC3773EUHF#TRPBF

IC REG CTRLR BUCK 38QFN

Analog Devices Inc.

2,385
RFQ
LTC3773EUHF#TRPBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 3.3V ~ 36V 220kHz ~ 560kHz 98.5% Yes No - Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 38-QFN (5x7)
LTC3770EUH#TRPBF Analog Devices Inc.

LTC3770EUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

2,905
RFQ
LTC3770EUH#TRPBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 32V - 90% Yes No - Current Limit, Enable, On Time Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
ISL6522CRZ-TK Renesas Electronics Corporation

ISL6522CRZ-TK

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

4,345
RFQ
ISL6522CRZ-TK Datasheet

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active 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 16-QFN (5x5)
ISL6522CRZ Renesas Electronics Corporation

ISL6522CRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

591
RFQ
ISL6522CRZ Datasheet

Datasheet

- 16-VQFN Exposed Pad Tray Active 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 16-QFN (5x5)
MAX8653ETI+ Analog Devices Inc./Maxim Integrated

MAX8653ETI+

IC REG CTRLR BUCK 28TQFN

Analog Devices Inc./Maxim Integrated

2,368
RFQ
MAX8653ETI+ Datasheet

Datasheet

- 28-WFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 9V ~ 14V 300kHz ~ 1.5MHz - No Yes - Current Limit, Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-TQFN (5x5)
ISL6552CB Intersil

ISL6552CB

SWITCHING CONTROLLER

Intersil

2,194
RFQ
ISL6552CB Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 50kHz ~ 1.5MHz - - No - Enable, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
TL1454ACNSR Texas Instruments

TL1454ACNSR

IC REG CTRLR BUCK/BST/FLYBK 16SO

Texas Instruments

2,127
RFQ
TL1454ACNSR Datasheet

Datasheet

- 16-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback 2 1 3.6V ~ 20V 50kHz ~ 2MHz 100% Yes No - Dead Time Control, Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SO
ISL6551AR-T Intersil

ISL6551AR-T

DUAL SWITCHING CONTROLLER

Intersil

1,620
RFQ
ISL6551AR-T Datasheet

Datasheet

- 28-VQFN Exposed Pad Bulk Active Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Push-Pull 2 1 10.8V ~ 13.2V Up to 1MHz 50% Yes Yes - Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync -40°C ~ 105°C (TA) - - Surface Mount 28-QFN (6x6)
UC3578DP Unitrode

UC3578DP

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

1,040
RFQ
UC3578DP Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 14V ~ 72V 110kHz 90% No No - Current Limit, Soft Start 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.