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
MAX5003CSE+ Analog Devices Inc./Maxim Integrated

MAX5003CSE+

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc./Maxim Integrated

2,910
RFQ
MAX5003CSE+ Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive, Isolation Capable Buck 1 1 10.75V ~ 18.75V 50kHz ~ 300kHz 75% No No - Frequency Control, On Time Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
LTC1439CG Analog Devices Inc.

LTC1439CG

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

2,048
RFQ
LTC1439CG Datasheet

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tube 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 36-SSOP
LTC3853MPUJ#PBF Analog Devices Inc.

LTC3853MPUJ#PBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

1,460
RFQ
LTC3853MPUJ#PBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Tube 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 -55°C ~ 150°C (TJ) - - Surface Mount 40-QFN (6x6)
UC1841L883B Unitrode

UC1841L883B

SWITCHING CONTROLLER, CURRENT-MO

Unitrode

2,537
RFQ
UC1841L883B Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
LM1575HVK12/883QF National Semiconductor

LM1575HVK12/883QF

SMPS CONTROLLER, SWITCHING VOLT

National Semiconductor

1,243
RFQ
LM1575HVK12/883QF Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
UC1865J Texas Instruments

UC1865J

SWITCHING CONTROLLER

Texas Instruments

2,275
RFQ
UC1865J 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 22V 50kHz ~ 500kHz - No No - Soft Start -55°C ~ 125°C (TA) - - Through Hole 16-CDIP
UC1854AJ883B Unitrode

UC1854AJ883B

POWER FACTOR CONTROLLER, CURRENT

Unitrode

1,086
RFQ
UC1854AJ883B Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
0729MC Texas Instruments

0729MC

ANALG VOLT REG SWITCHING

Texas Instruments

3,784
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
5962-8768105VEA Texas Instruments

5962-8768105VEA

UC1825A-SP HIGH SPEED PWM CONTRO

Texas Instruments

4,839
RFQ
5962-8768105VEA Datasheet

Datasheet

- 16-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Buck 2 1 12V ~ 20V Up to 1MHz 50% No No - Current Limit, Enable, Frequency Control, Overcurrent, Ramp, Soft Start -55°C ~ 125°C (TA) - - Through Hole 16-CDIP
LM3842AN TAEJIN

LM3842AN

IC REG CTRLR MULT TOPOLOGY DIP-8

TAEJIN

258
RFQ
LM3842AN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Down Positive Buck 1 1 30V 52kHz 100% No No - Enable, Frequency Control -40°C ~ 125°C - - Through Hole 8-DIP
LV5072M-MPB-H onsemi

LV5072M-MPB-H

SWITCHING REGULATOR/CONTROLLER,

onsemi

948
RFQ
LV5072M-MPB-H Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
TL3844PE4 Texas Instruments

TL3844PE4

TL3844 CURRENT-MODE PWM CONTROLL

Texas Instruments

840
RFQ
TL3844PE4 Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V 500kHz 48% No No - Frequency Control 0°C ~ 70°C - - Through Hole 8-PDIP
LM1770UMF National Semiconductor

LM1770UMF

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

585
RFQ
LM1770UMF Datasheet

Datasheet

- SC-74A, SOT-753 Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM1771UMM National Semiconductor

LM1771UMM

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

970
RFQ
LM1771UMM Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
UC2843AD Unitrode

UC2843AD

UC2843A CURRENT MODE PWM CONTROL

Unitrode

868
RFQ
UC2843AD Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
LM1771TSD/NOPB National Semiconductor

LM1771TSD/NOPB

LM1771 LOW-VOLTAGE SYNCHRONOUS B

National Semiconductor

1,000
RFQ
LM1771TSD/NOPB Datasheet

Datasheet

- 6-WDFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 6-WSON (3x3)
TC33063AVPA Microchip Technology

TC33063AVPA

DC/DC CONVERTER CONTROL CIRCUIT

Microchip Technology

869
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
UCC38C45DGK Unitrode

UCC38C45DGK

UCC38C45 BICMOS LOW-POWER CURREN

Unitrode

393
RFQ
UCC38C45DGK Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 7.6V ~ 18V Up to 1MHz 48% No No - Frequency Control 0°C ~ 70°C (TJ) - - Surface Mount 8-VSSOP
UC2856DW Unitrode

UC2856DW

UC2856 IMPROVED CURRENT MODE PWM

Unitrode

3,530
RFQ
UC2856DW 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 2 1 7V ~ 40V 200kHz 47% Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UCC35702PW Unitrode

UCC35702PW

UCC35702 ADVANCED VOLTAGE MODE P

Unitrode

4,058
RFQ
UCC35702PW Datasheet

Datasheet

- 14-TSSOP (0.173", 4.40mm 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 0°C ~ 70°C (TA) - - Surface Mount 14-TSSOP
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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.