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
MAX1649CSA Analog Devices Inc./Maxim Integrated

MAX1649CSA

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc./Maxim Integrated

3,561
RFQ
MAX1649CSA Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V Up to 300kHz 96.5% No No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
MAX1845ETX+T Analog Devices Inc./Maxim Integrated

MAX1845ETX+T

IC REG CTRLR BUCK 36TQFN

Analog Devices Inc./Maxim Integrated

4,236
RFQ

-

- 36-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 4.5V ~ 5.5V 200kHz, 300kHz, 420kHz, 540kHz - Yes No - Current Limit, Enable, On Time Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 36-TQFN (6x6)
UCC2897PWR Texas Instruments

UCC2897PWR

IC REG CTRLR MULT TOP 20TSSOP

Texas Instruments

1,494
RFQ
UCC2897PWR Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 8.5V ~ 14.5V 250kHz 74% Yes Yes - Enable, On Time Control, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 20-TSSOP
UC2572DG4 Texas Instruments

UC2572DG4

IC REG CTRLR FLYBACK 8SOIC

Texas Instruments

1,764
RFQ
UC2572DG4 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up/Step-Down Negative Flyback 1 1 4.75V ~ 30V 100kHz 92% No No - Current Limit, Ramp -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
XR75100EL-F MaxLinear, Inc.

XR75100EL-F

IC REG CTRLR BUCK 16QFN

MaxLinear, Inc.

3,340
RFQ

-

- 16-VFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 1 1 5.5V ~ 40V - - Yes No - Current Limit, Enable, On Time Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
LM2647MTCX/NOPB Texas Instruments

LM2647MTCX/NOPB

IC REG CTRLR BUCK 28TSSOP

Texas Instruments

2,407
RFQ
LM2647MTCX/NOPB Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 5.5V ~ 28V 200kHz ~ 500kHz 75% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -5°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP
L6711TR STMicroelectronics

L6711TR

IC REG CTRLR BUCK 48-TQFP

STMicroelectronics

1,017
RFQ
L6711TR Datasheet

Datasheet

- 48-TQFP Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 3 3 7.5V ~ 15V 150kHz 80% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 125°C (TJ) - - Surface Mount 48-TQFP-EP (7x7)
MIC38HC43-1YN Microchip Technology

MIC38HC43-1YN

IC REG CTRLR MULT TOPOLOGY 14DIP

Microchip Technology

4,862
RFQ
MIC38HC43-1YN Datasheet

Datasheet

- 14-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V - 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-DIP
MIC2198BML-TR Microchip Technology

MIC2198BML-TR

IC REG CTRLR BUCK 12MLF

Microchip Technology

4,259
RFQ
MIC2198BML-TR Datasheet

Datasheet

- 12-VFDFN Exposed Pad, 12-MLF® Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 32V 500kHz 76% Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 12-MLF™ (4x4)
TPS40055PWPRG4 Texas Instruments

TPS40055PWPRG4

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

1,709
RFQ
TPS40055PWPRG4 Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 8V ~ 40V Up to 1MHz 94% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
TPS40057PWPRG4 Texas Instruments

TPS40057PWPRG4

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

2,769
RFQ
TPS40057PWPRG4 Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 8V ~ 40V Up to 1MHz 94% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
TPS40051PWPRG4 Texas Instruments

TPS40051PWPRG4

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

3,720
RFQ
TPS40051PWPRG4 Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 8V ~ 40V 500kHz 94% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
ISL6420BIAZ-TK Renesas Electronics Corporation

ISL6420BIAZ-TK

IC REG CTRLR BUCK 20QSOP

Renesas Electronics Corporation

1,294
RFQ
ISL6420BIAZ-TK Datasheet

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 5.6V ~ 28V 100kHz ~ 1.4MHz 96% Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
LM5025CMTC/NOPB Texas Instruments

LM5025CMTC/NOPB

IC REG CTRLR FWRD CONV 16TSSOP

Texas Instruments

2,311
RFQ
LM5025CMTC/NOPB Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube 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
MAX20012BATJF/V+T Analog Devices Inc./Maxim Integrated

MAX20012BATJF/V+T

AUTOMOTIVE LOW-VOLTAGE 2-CHANNEL

Analog Devices Inc./Maxim Integrated

2,672
RFQ
MAX20012BATJF/V+T Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 5.5V 2.2MHz 99% Yes Yes I2C Current Limit, Enable, Frequency Control, Power Good, Ramp, Reset, Slew Control, Soft Start, Sync, Tracking -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount 32-TQFN (5x5)
MAX20012BATJJ/V+T Analog Devices Inc./Maxim Integrated

MAX20012BATJJ/V+T

AUTOMOTIVE LOW-VOLTAGE 2-CHANNEL

Analog Devices Inc./Maxim Integrated

1,428
RFQ
MAX20012BATJJ/V+T Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 5.5V 2.2MHz 99% Yes Yes I2C Current Limit, Enable, Frequency Control, Power Good, Ramp, Reset, Slew Control, Soft Start, Sync, Tracking -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount 32-TQFN (5x5)
ISL6722AARZ Renesas Electronics Corporation

ISL6722AARZ

IC REG CTRLR BOOST/FLYBACK 16QFN

Renesas Electronics Corporation

2,125
RFQ
ISL6722AARZ Datasheet

Datasheet

- 16-VFQFN Exposed Pad Tray Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 9V ~ 18V Up to 1MHz 75% No Yes - Current Limit, Frequency Control, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 16-QFN (3x3)
MIC2131-1YML-TR Microchip Technology

MIC2131-1YML-TR

IC REG CTRLR BUCK 16MLF

Microchip Technology

1,342
RFQ
MIC2131-1YML-TR Datasheet

Datasheet

- 16-VQFN Exposed Pad, 16-MLF® Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 8V ~ 40V 150kHz 92% Yes No - Current Limit, Enable, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-MLF® (4x4)
MAX770CSA-T Analog Devices Inc./Maxim Integrated

MAX770CSA-T

IC REG CTRLR BOOST 8SOIC

Analog Devices Inc./Maxim Integrated

3,336
RFQ
MAX770CSA-T Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up Positive Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ISL6540AIRZ-T Renesas Electronics Corporation

ISL6540AIRZ-T

IC REG CTRLR BUCK 28QFN

Renesas Electronics Corporation

3,652
RFQ
ISL6540AIRZ-T Datasheet

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 22V 250kHz ~ 2MHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-QFN (5x5)
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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.