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
MAX1858AEEG+T Analog Devices Inc./Maxim Integrated

MAX1858AEEG+T

IC REG CTRLR BUCK 24QSOP

Analog Devices Inc./Maxim Integrated

1,450
RFQ

-

- 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 23V 100kHz ~ 600kHz - Yes Yes - Current Limit, Enable, Frequency Control, Reset -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
LTC7811IUJ#TRPBF Analog Devices Inc.

LTC7811IUJ#TRPBF

LOW IQ TRIPLE BUCK-BOOST CTL

Analog Devices Inc.

2,514
RFQ
LTC7811IUJ#TRPBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 3 2 1V ~ 40V 100kHz ~ 3MHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 40-QFN (6x6)
MCP19118-E/MJ Microchip Technology

MCP19118-E/MJ

IC REG CTRLR BUCK PMBUS 24QFN

Microchip Technology

3,219
RFQ
MCP19118-E/MJ Datasheet

Datasheet

- 24-VFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 40V 100kHz ~ 1.6MHz - Yes No I2C, PMBus, SMBus Phase Control -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 24-QFN (4x4)
LT1725CS#TRPBF Analog Devices Inc.

LT1725CS#TRPBF

IC REG CTRLR FLYBACK 16SOIC

Analog Devices Inc.

3,554
RFQ
LT1725CS#TRPBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive or Negative, Isolation Capable Flyback 1 1 9.7V ~ 22V 90kHz ~ 115kHz 90% No No - Enable, Soft Start 0°C ~ 100°C (TJ) - - Surface Mount 16-SO
LT1737CS#TRPBF Analog Devices Inc.

LT1737CS#TRPBF

IC REG CTRLR FLYBACK 16SOIC

Analog Devices Inc.

3,116
RFQ
LT1737CS#TRPBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive or Negative, Isolation Capable Flyback 1 1 4.1V ~ 20V 90kHz ~ 115kHz 90% No No - Enable, Soft Start 0°C ~ 100°C (TJ) - - Surface Mount 16-SO
LM27213MTDX/NOPB Texas Instruments

LM27213MTDX/NOPB

IC REG CTRLR BUCK 48TSSOP

Texas Instruments

3,916
RFQ
LM27213MTDX/NOPB Datasheet

Datasheet

- 48-TFSOP (0.240", 6.10mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 6V - - Yes No - Current Limit, Enable, Power Good, Soft Start -5°C ~ 105°C (TA) - - Surface Mount 48-TSSOP
SG2525AN Microchip Technology

SG2525AN

IC REG CTRLR PUSH-PULL 16DIP

Microchip Technology

1,232
RFQ
SG2525AN Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up/Step-Down Positive Push-Pull 2 1 8V ~ 35V 100Hz ~ 350kHz 49% Yes Yes - Enable, Soft Start -25°C ~ 85°C (TA) - - Through Hole 16-PDIP
ISL8843AAUZ Renesas Electronics Corporation

ISL8843AAUZ

IC REG CTRLR BOOST/FLYBACK 8MSOP

Renesas Electronics Corporation

1,414
RFQ
ISL8843AAUZ Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 9V ~ 30V Up to 2MHz 96% No No - Current Limit, Frequency Control -40°C ~ 105°C (TA) - - Surface Mount 8-MSOP
MAX1654EEE Analog Devices Inc./Maxim Integrated

MAX1654EEE

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

2,375
RFQ
MAX1654EEE Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 1 4.5V ~ 30V 150kHz, 300kHz 98% Yes Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
LTC3830ES8#TRPBF Analog Devices Inc.

LTC3830ES8#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

2,634
RFQ
LTC3830ES8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 8V 200kHz 95% Yes No - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SO
LTC3830-1ES8#TRPBF Analog Devices Inc.

LTC3830-1ES8#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

1,047
RFQ
LTC3830-1ES8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 8V 200kHz 95% Yes No - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SO
LTC3833IFE#TRPBF Analog Devices Inc.

LTC3833IFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

4,330
RFQ
LTC3833IFE#TRPBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
MIC2129T-E/2FW Microchip Technology

MIC2129T-E/2FW

100V, SYNCH BUCK CONTROLLER W/ A

Microchip Technology

1,511
RFQ
MIC2129T-E/2FW Datasheet

Datasheet

- - Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
TPS40130DBTG4 Texas Instruments

TPS40130DBTG4

IC REG CTRLR BUCK 30TSSOP

Texas Instruments

1,567
RFQ
TPS40130DBTG4 Datasheet

Datasheet

- 30-TFSOP (0.173", 4.40mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 2 2 3V ~ 40V 100kHz ~ 1.2MHz 87.5% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 30-TSSOP
MAX1653EEE-T Analog Devices Inc./Maxim Integrated

MAX1653EEE-T

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

2,299
RFQ
MAX1653EEE-T Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 30V 150kHz, 300kHz 98% Yes Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
LTC3861IUH-1#TRPBF Analog Devices Inc.

LTC3861IUH-1#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

1,798
RFQ
LTC3861IUH-1#TRPBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 3MHz 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)
LM5041SD Texas Instruments

LM5041SD

IC REG CTRLR MULT TOP 16WSON

Texas Instruments

1,093
RFQ
LM5041SD Datasheet

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Last Time Buy Transistor Driver Step-Up/Step-Down Positive Half-Bridge, Push-Pull 1 1 15V ~ 90V 200kHz, 600kHz - Yes Yes - Dead Time Control, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-WSON (5x5)
LM27213MTDX Texas Instruments

LM27213MTDX

IC REG CTRLR BUCK 48TSSOP

Texas Instruments

3,070
RFQ
LM27213MTDX Datasheet

Datasheet

- 48-TFSOP (0.240", 6.10mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 6V - - Yes No - Current Limit, Enable, Power Good, Soft Start -5°C ~ 105°C (TA) - - Surface Mount 48-TSSOP
XDPP1100A100DXUMA1 Infineon Technologies

XDPP1100A100DXUMA1

CONTROLLER

Infineon Technologies

3,071
RFQ

-

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
LTC3838EFE#TRPBF Analog Devices Inc.

LTC3838EFE#TRPBF

IC REG CTRLR BUCK 38TSSOP

Analog Devices Inc.

1,147
RFQ
LTC3838EFE#TRPBF Datasheet

Datasheet

PolyPhase® 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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
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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.