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
UCC25702N Unitrode

UCC25702N

UCC25702 ADVANCED VOLTAGE MODE P

Unitrode

1,915
RFQ
UCC25702N Datasheet

Datasheet

- 14-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 8.8V ~ 15V 100kHz 99% No Yes - Current Limit, Frequency Control, Sequencing, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 14-PDIP
LTC1702CGN Linear Technology

LTC1702CGN

LTC1702 - TRANSISTOR DRIVER STEP

Linear Technology

1,032
RFQ
LTC1702CGN Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 2 3V ~ 7V 550kHz 90% Yes No - Current Limit, Enable, Power Good, Soft Start 0°C ~ 70°C - - Surface Mount 24-SSOP
LTC3727LXEUH-1#PBF Linear Technology

LTC3727LXEUH-1#PBF

HIGH EFFICIENCY, 2-PHASE SYNCHRO

Linear Technology

2,939
RFQ
LTC3727LXEUH-1#PBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 28V 255kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3828EG#PBF Linear Technology

LTC3828EG#PBF

LTC3828 - DUAL, 2-PHASE CONTROLL

Linear Technology

2,889
RFQ
LTC3828EG#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C - - Surface Mount 28-SSOP
LTC3728LEUH-1#PBF Linear Technology

LTC3728LEUH-1#PBF

DUAL, 550KHZ, 2-PHASE SYNCHRONOU

Linear Technology

2,887
RFQ
LTC3728LEUH-1#PBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3728EG#PBF Linear Technology

LTC3728EG#PBF

LTC3728 - DUAL, 550KHZ, 2-PHASE

Linear Technology

2,704
RFQ
LTC3728EG#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 260kHz ~ 550kHz 99.4% Yes No - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C - - Surface Mount 28-SSOP
LTC3728LIGN#PBF Linear Technology

LTC3728LIGN#PBF

LTC3728 - 550KHZ, DUAL, 2 PHASE

Linear Technology

4,568
RFQ
LTC3728LIGN#PBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C - - Surface Mount 28-SSOP
LTC1735IF#PBF Linear Technology

LTC1735IF#PBF

HIGH EFFICIENCY SYNCHRONOUS STEP

Linear Technology

3,198
RFQ
LTC1735IF#PBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-TSSOP
LTC1702ACGN#PBF Linear Technology

LTC1702ACGN#PBF

DUAL 550KHZ SYNCHRONOUS 2-PHASE

Linear Technology

2,269
RFQ
LTC1702ACGN#PBF Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 7V 550kHz 90% Yes No - Current Limit, Enable, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-SSOP
UC2526AJ Unitrode

UC2526AJ

UC2526AM REGULATING PULSE WIDTH

Unitrode

3,403
RFQ
UC2526AJ Datasheet

Datasheet

- 18-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 4.5V ~ 35V, 8V ~ 35V 1Hz ~ 400kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start -25°C ~ 85°C (TA) - - Through Hole 18-CDIP
TL5001AMJGB Texas Instruments

TL5001AMJGB

TL5001A PWM CONTROLLER WITH WIDE

Texas Instruments

1,751
RFQ
TL5001AMJGB Datasheet

Datasheet

- 8-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Boost, Buck, Flyback 1 1 3.6V ~ 40V 20kHz ~ 500kHz 1 No No - Dead Time Control, Frequency Control, Ramp, Soft Start -55°C ~ 125°C (TA) - - Through Hole 8-CDIP
LTC1438CG-ADJ#PBF Linear Technology

LTC1438CG-ADJ#PBF

LTC1438 - DUAL ADJ OUTPUT HI EFF

Linear Technology

4,842
RFQ
LTC1438CG-ADJ#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
LTC1629CG-PG#PBF Linear Technology

LTC1629CG-PG#PBF

POLYPHASE, HIGH EFFICIENCY, SYNC

Linear Technology

4,823
RFQ
LTC1629CG-PG#PBF Datasheet

Datasheet

PolyPhase® 28-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 220kHz 99.5% Yes No - Enable, Phase Control, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SSOP
ZL6105ALAFTEMP Renesas

ZL6105ALAFTEMP

SWITCHING CONTROLLER, VOLTAGE-MO

Renesas

1,118
RFQ

-

- 36-VFQFN Exposed Pad Tube Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5V 200kHz ~ 1.4MHz 95% Yes Yes I2C, PMBus, SMBus Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 36-QFN (6x6)
UC2823ADW Unitrode

UC2823ADW

UC2823A HIGH SPEED PWM CONTROLLE

Unitrode

3,756
RFQ
UC2823ADW Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 1 1 8.4V ~ 22V 400kHz ~ 1MHz 1 No No - Current Limit, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UC3823AN Unitrode

UC3823AN

UC3823A HIGH SPEED PWM CONTROLLE

Unitrode

2,199
RFQ
UC3823AN Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 1 1 8.4V ~ 22V 400kHz ~ 1MHz 100% No No - Current Limit, Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
LT3752MPFE-1#PBF Linear Technology

LT3752MPFE-1#PBF

ACTIVE CLAMP SYNCHRONOUS FORWARD

Linear Technology

3,463
RFQ
LT3752MPFE-1#PBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Bulk Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 10.5V ~ 16V 100kHz ~ 500kHz 95% Yes Yes - Enable, Frequency Control, Soft Start -55°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
5962-8951104EA Texas Instruments

5962-8951104EA

UC1527A REGULATING PULSE WIDTH M

Texas Instruments

4,908
RFQ
5962-8951104EA Datasheet

Datasheet

- 16-CDIP (0.300", 7.62mm) Bulk Active PWM Step-Down, Step-Up/Step-Down Positive and Negative Boost, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull 2 2 4.5V ~ 35V 100Hz ~ 500kHz 49% Yes Yes - Dead Time Control, Enable, Frequency Control, Soft Start -55°C ~ 125°C - - Through Hole 16-CDIP
UC2825J Unitrode

UC2825J

UC2825B HIGH SPEED PWM CONTROLLE

Unitrode

2,209
RFQ
UC2825J Datasheet

Datasheet

- 16-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8.4V ~ 30V 1MHz 80% No No - Current Limit, Enable, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Through Hole 16-CDIP
5962-9451301MPA Texas Instruments

5962-9451301MPA

UCC1801 LOW-POWER BICMOS CURRENT

Texas Instruments

4,427
RFQ
5962-9451301MPA Datasheet

Datasheet

UCC280x 8-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 7.4V ~ 12V Up to 1MHz 49% No No - Current Limit, Dead Time Control, Soft Start -55°C ~ 125°C - - Through Hole 8-CDIP
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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.