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
UC1851J Texas Instruments

UC1851J

SWITCHING CONTROLLER

Texas Instruments

105
RFQ
UC1851J Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
UC2823AQ Texas Instruments

UC2823AQ

IC REG CTRLR MULT TOP 20PLCC

Texas Instruments

1,277
RFQ
UC2823AQ Datasheet

Datasheet

- 20-LCC (J-Lead) Tube Obsolete 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 -40°C ~ 85°C (TA) - - Surface Mount 20-PLCC (9x9)
ZL8801ALAFT7A Renesas Electronics Corporation

ZL8801ALAFT7A

IC REG CTRLR BUCK PMBUS 44QFN

Renesas Electronics Corporation

330
RFQ
ZL8801ALAFT7A Datasheet

Datasheet

Digital-DC™ 44-VFQFN Exposed Pad Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 14V 200kHz ~ 1.33MHz - No Yes PMBus Current Limit, Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 44-QFN (7x7)
ISL6551ABZ Intersil

ISL6551ABZ

DUAL SWITCHING CONTROLLER

Intersil

447
RFQ
ISL6551ABZ Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge 1 1 10.8V ~ 13.2V 50kHz ~ 500kHz 50% Yes No - Current Limit, Dead Time Control, Enable, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 28-SOIC
MAX5041BEAI Analog Devices Inc./Maxim Integrated

MAX5041BEAI

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

4,964
RFQ

-

- 28-SSOP (0.209", 5.30mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 250kHz, 500kHz - Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
ADP1972ARUZ-RL Analog Devices Inc.

ADP1972ARUZ-RL

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

3,988
RFQ
ADP1972ARUZ-RL Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 60V 50kHz ~ 300kHz 97.37% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
ISL6564AIRZ Intersil

ISL6564AIRZ

SWITCHING CONTROLLER

Intersil

948
RFQ
ISL6564AIRZ Datasheet

Datasheet

- 40-VFQFN Exposed Pad Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 66.7% - No - Enable, Frequency Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 40-QFN (6x6)
UC3846J Texas Instruments

UC3846J

SWITCHING CONTROLLER

Texas Instruments

1,120
RFQ
UC3846J Datasheet

Datasheet

- 16-CDIP (0.300", 7.62mm) 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) - - Through Hole 16-CDIP
MAX1653EEE+T Analog Devices Inc./Maxim Integrated

MAX1653EEE+T

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

544
RFQ
MAX1653EEE+T Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active 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
LTC1629IG#TRPBF Analog Devices Inc.

LTC1629IG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

4,048
RFQ
LTC1629IG#TRPBF Datasheet

Datasheet

PolyPhase® 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 220kHz 99.5% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
AD9561JR Analog Devices Inc.

AD9561JR

PULSE WIDTH MODULATOR

Analog Devices Inc.

1,569
RFQ
AD9561JR Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk Active PWM - Positive - 1 1 5V - - No Yes - - 0°C ~ 70°C - - Surface Mount 28-SOIC
XR77128ELB-F MaxLinear, Inc.

XR77128ELB-F

IC REG CTRLR BUCK SMBUS 44TQFN

MaxLinear, Inc.

3,278
RFQ
XR77128ELB-F Datasheet

Datasheet

- 44-WFQFN Exposed Pad Tray Obsolete Transistor Driver Step-Down Positive Buck 4 1 5.5V ~ 25V 105kHz ~ 1.23MHz - Yes No I2C, SMBus Enable -40°C ~ 125°C (TJ) - - Surface Mount 44-TQFN (7x7)
LTC3830ES8 Analog Devices Inc.

LTC3830ES8

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

277
RFQ
LTC3830ES8 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube 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
UC3824DW Texas Instruments

UC3824DW

IC REG CTRLR BUCK/BOOST 16SOIC

Texas Instruments

3,244
RFQ
UC3824DW Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 8.4V ~ 30V 340kHz ~ 460kHz 85% No No - Current Limit, Enable, Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
TPS5120MDBTREP Texas Instruments

TPS5120MDBTREP

IC REG CTRLR BUCK 30TSSOP

Texas Instruments

1,389
RFQ
TPS5120MDBTREP Datasheet

Datasheet

- 30-TFSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 300kHz 83% Yes No - Enable, Power Good, Soft Start -55°C ~ 125°C (TA) - - Surface Mount 30-TSSOP
TPS5120QDBTREP Texas Instruments

TPS5120QDBTREP

IC REG CTRLR BUCK 30TSSOP

Texas Instruments

4,211
RFQ
TPS5120QDBTREP Datasheet

Datasheet

- 30-TFSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 300kHz 83% Yes No - Enable, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 30-TSSOP
LM5143QRWGRQ1 Texas Instruments

LM5143QRWGRQ1

IC POWER MANAGEMENT

Texas Instruments

8,827
RFQ
LM5143QRWGRQ1 Datasheet

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 65V 100kHz ~ 2.2MHz 100% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) Automotive AEC-Q100 Surface Mount, Wettable Flank 40-VQFNP (6x6)
LM5140QRWGRQ1 Texas Instruments

LM5140QRWGRQ1

DUAL SYNCHRONOUS BUCK CONTROLLER

Texas Instruments

2,492
RFQ
LM5140QRWGRQ1 Datasheet

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.8V ~ 65V 440kHz, 2.2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 150°C (TJ) Automotive AEC-Q100 Surface Mount, Wettable Flank 40-VQFNP (6x6)
LTC3891HFE#TRPBF Analog Devices Inc.

LTC3891HFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

2,428
RFQ
LTC3891HFE#TRPBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 20-TSSOP-EP
ML4875CS-3 Rochester Electronics, LLC

ML4875CS-3

SWITCHING REG, VOLTAGE-MODE, 1.5

Rochester Electronics, LLC

1,284
RFQ
ML4875CS-3 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
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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.