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
LTC3836EGN#PBF Linear Technology

LTC3836EGN#PBF

LTC3836 - LOW INPUT VOLTAGE 2-PH

Linear Technology

343
RFQ
LTC3836EGN#PBF Datasheet

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 4.5V 300kHz ~ 750kHz 97% Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LT1737IGN Linear Technology

LT1737IGN

LT1737 - IC VOLT REG TRANSISTOR

Linear Technology

1,500
RFQ
LT1737IGN Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up/Step-Down Positive and Negative Flyback 1 1 4.1V ~ 20V 90kHz ~ 115kHz 90% No No - Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-SSOP
LTC3860IUH#PBF Linear Technology

LTC3860IUH#PBF

DUAL, MULTIPHASE STEP-DOWN VOLTA

Linear Technology

365
RFQ
LTC3860IUH#PBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Bulk Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 1.25MHz 91.5% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
ISL8121IRZ Renesas

ISL8121IRZ

BUCK REGULATOR POSITIVE OUTPUT S

Renesas

6,000
RFQ

-

- 24-VFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.9V ~ 5.5V 150kHz ~ 2MHz 66% Yes No - Current Limit, Enable, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
LTC3838EFE#PBF Linear Technology

LTC3838EFE#PBF

DUAL, FAST, ACCURATE STEP-DOWN D

Linear Technology

219
RFQ
LTC3838EFE#PBF Datasheet

Datasheet

PolyPhase® 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LM5116MH Texas Instruments

LM5116MH

LM5116 6-100V WIDE VIN, CURRENT

Texas Instruments

110
RFQ
LM5116MH Datasheet

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 100V 200kHz, 535kHz - Yes Yes - Enable, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-HTSSOP
UC3847DW Unitrode

UC3847DW

UC3847 CURRENT MODE PWM CONTROLL

Unitrode

12,280
RFQ
UC3847DW Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull 2 1 6.95V ~ 40V 500kHz 50% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
ISL6327CRZ-T Intersil

ISL6327CRZ-T

SWITCHING CONTROLLER, VOLTAGE-MO

Intersil

4,079
RFQ
ISL6327CRZ-T Datasheet

Datasheet

- 48-VFQFN Exposed Pad Bulk Active PWM Signal Step-Down Positive Buck 6 6 4.75V ~ 5.25V 80kHz ~ 1MHz - - No - Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 48-QFN (7x7)
LTC1874EGN#PBF Linear Technology

LTC1874EGN#PBF

LTC1874 - DUAL OUTPUT STEP-DN CO

Linear Technology

2,037
RFQ
LTC1874EGN#PBF Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 1 2.5V ~ 9.8V 550kHz 100% No No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC3875EUH#PBF Linear Technology

LTC3875EUH#PBF

LTC3875 - DUAL, 2-PHASE, SYNCHRO

Linear Technology

146
RFQ
LTC3875EUH#PBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 250kHz ~ 720kHz - Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (5x5)
LTC3834EUFD#PBF Linear Technology

LTC3834EUFD#PBF

LTC3834 - IQ SYNCHRONOUS STEP-DO

Linear Technology

102
RFQ
LTC3834EUFD#PBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Current Limit, Dead Time Control, Enable, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 85°C - - Surface Mount 20-QFN (4x5)
LTC3711EGN#PBF Linear Technology

LTC3711EGN#PBF

LTC3711 - 5-BIT ADJ. STEPDOWN CO

Linear Technology

210
RFQ
LTC3711EGN#PBF Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 36V - 90% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
ISL6327IRZ Intersil

ISL6327IRZ

SWITCHING CONTROLLER, VOLTAGE-MO

Intersil

117
RFQ
ISL6327IRZ Datasheet

Datasheet

- 48-VFQFN Exposed Pad Bulk Active PWM Signal Step-Down Positive Buck 6 6 4.75V ~ 5.25V 80kHz ~ 1MHz - - No - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 48-QFN (7x7)
LTC3875IUH#PBF Linear Technology

LTC3875IUH#PBF

LTC3875 - DUAL, 2-PHASE, SYNCHRO

Linear Technology

2,701
RFQ
LTC3875IUH#PBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 250kHz ~ 720kHz - Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (5x5)
UCC25702D Unitrode

UCC25702D

UCC25702 ADVANCED VOLTAGE MODE P

Unitrode

408
RFQ
UCC25702D Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) 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-SOIC
UC2870DW-1 Unitrode

UC2870DW-1

SWITCHING CONTROLLER, CURRENT-MO

Unitrode

985
RFQ
UC2870DW-1 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
LTC3703EG-5#PBF Linear Technology

LTC3703EG-5#PBF

LTC3703-5 - LOW VOLTAGE GATE-DRI

Linear Technology

705
RFQ
LTC3703EG-5#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.1V ~ 15V 100kHz ~ 600kHz 93% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
UCC39421PW Unitrode

UCC39421PW

UCC39421 HIGH FREQUENCY MULTIMOD

Unitrode

360
RFQ
UCC39421PW Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) 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 0°C ~ 70°C (TA) - - Surface Mount 16-TSSOP
LTC3713EG#TRPBF Linear Technology

LTC3713EG#TRPBF

LOW INPUT VOLTAGE, HIGH POWER, N

Linear Technology

1,800
RFQ
LTC3713EG#TRPBF Datasheet

Datasheet

- 24-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 2 1 1.5V ~ 36V 1.4MHz 90% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
LTC1709EG-85#PBF Linear Technology

LTC1709EG-85#PBF

LTC1709-85 - HI PWR POLYPHASE DC

Linear Technology

444
RFQ
LTC1709EG-85#PBF Datasheet

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 140kHz ~ 310kHz 99.5% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
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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.