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
UCC2581DTR Texas Instruments

UCC2581DTR

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

4,801
RFQ
UCC2581DTR Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 6.8V ~ 15V Up to 100kHz 84% No Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
MAX1962EEP Analog Devices Inc./Maxim Integrated

MAX1962EEP

PWM STEP-DOWN CONTROLLER

Analog Devices Inc./Maxim Integrated

3,626
RFQ
MAX1962EEP Datasheet

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.35V ~ 5.5V 500kHz, 1MHz 92% Yes Yes - Current Limit, Enable, Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
LM5025CMTCE/NOPB Texas Instruments

LM5025CMTCE/NOPB

IC REG CTRLR FWRD CONV 16TSSOP

Texas Instruments

135
RFQ
LM5025CMTCE/NOPB Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Last Time Buy Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 2 1 8V ~ 15V 200kHz ~ 580kHz 91% No Yes - Dead Time Control, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP
MAX1745EUB-TG069 Analog Devices Inc./Maxim Integrated

MAX1745EUB-TG069

STEP-DOWN DC-DC CONTROLLER

Analog Devices Inc./Maxim Integrated

1,991
RFQ
MAX1745EUB-TG069 Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 36V Up to 330kHz 100% No No - Enable -40°C ~ 85°C Automotive AEC-Q100 Surface Mount 10-uMAX
UC2863N Texas Instruments

UC2863N

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

1,979
RFQ
UC2863N Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 22V 50kHz ~ 500kHz 100% No No - Soft Start -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
UC2863N Unitrode

UC2863N

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

615
RFQ
UC2863N Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 22V 50kHz ~ 500kHz 100% No No - Soft Start -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
MAX1844ETP+ Analog Devices Inc./Maxim Integrated

MAX1844ETP+

IC REG CTRLR BUCK 20-TQFN

Analog Devices Inc./Maxim Integrated

2,492
RFQ
MAX1844ETP+ Datasheet

Datasheet

- 20-WFQFN Exposed Pad 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-TQFN (4x4)
LM5032MTC/NOPB Texas Instruments

LM5032MTC/NOPB

IC REG CTRLR FWRD CONV 16TSSOP

Texas Instruments

443
RFQ
LM5032MTC/NOPB Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Last Time Buy Transistor Driver Step-Up/Step-Down Positive Forward Converter 2 2 13V ~ 100V 200kHz, 600kHz 76% No Yes - Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP
ISL6553CBZ Intersil

ISL6553CBZ

SWITCHING CONTROLLER

Intersil

480
RFQ
ISL6553CBZ Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete 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 16-SOIC
TPS40091PWR Texas Instruments

TPS40091PWR

IC REG CTRLR BUCK 24TSSOP

Texas Instruments

1,522
RFQ
TPS40091PWR Datasheet

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 4 4 4.5V ~ 15V 100kHz ~ 1.2MHz 87.5% No Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-TSSOP
UCC29421PWTR Texas Instruments

UCC29421PWTR

IC REG CTRLR MULT TOP 16TSSOP

Texas Instruments

3,137
RFQ
UCC29421PWTR Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
MAX1957EUB+T Analog Devices Inc./Maxim Integrated

MAX1957EUB+T

IC REG CTRLR BUCK 10UMAX

Analog Devices Inc./Maxim Integrated

2,118
RFQ
MAX1957EUB+T Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 300kHz 89% Yes No - Current Limit -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX/uSOP
UCC29421N Texas Instruments

UCC29421N

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

4,180
RFQ
UCC29421N Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
UCC29421N Unitrode

UCC29421N

0.00065A, 2000KHZ BICMOS, PDIP16

Unitrode

1,040
RFQ
UCC29421N Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
UC2847DW Texas Instruments

UC2847DW

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

1,546
RFQ
UC2847DW Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 6.95V ~ 40V 500kHz 50% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
TPS53126RGER Texas Instruments

TPS53126RGER

IC REG CTRLR BUCK 24VQFN

Texas Instruments

2,192
RFQ
TPS53126RGER Datasheet

Datasheet

D-CAP2™ 24-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 4.5V ~ 24V 350kHz, 700kHz - Yes No - Enable, Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 24-VQFN (4x4)
MAX1775EEE Analog Devices Inc./Maxim Integrated

MAX1775EEE

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

1,321
RFQ
MAX1775EEE Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 1 2.7V ~ 28V Up to 1.25MHz 100% Yes No - Enable -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
LM25116MH National Semiconductor

LM25116MH

SWITCHING CONTROLLER, CURRENT-MO

National Semiconductor

244
RFQ
LM25116MH Datasheet

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 42V 50kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-HTSSOP
DS1050Z-010 Analog Devices Inc./Maxim Integrated

DS1050Z-010

PWM 5BIT 10KHZ 2-WIRE 8SOIC

Analog Devices Inc./Maxim Integrated

11,370
RFQ
DS1050Z-010 Datasheet

Datasheet

* 8-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key - - - - - - - - - - - - - - - - Surface Mount 8-SOIC
UC2824Q Texas Instruments

UC2824Q

SWITCHING CONTROLLER

Texas Instruments

1,380
RFQ
UC2824Q Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
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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.