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
LT3840MPFE#TRPBF Analog Devices Inc.

LT3840MPFE#TRPBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

4,957
RFQ
LT3840MPFE#TRPBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
LT8390JFE#TRPBF Analog Devices Inc.

LT8390JFE#TRPBF

60V SYNC 4-SWITCH BUCK-BOOST CNT

Analog Devices Inc.

3,933
RFQ
LT8390JFE#TRPBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4V ~ 60V 150kHz ~ 650kHz 95% Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3707EGN#TRPBF Analog Devices Inc.

LTC3707EGN#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,794
RFQ
LTC3707EGN#TRPBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3891MPUDC#TRPBF Analog Devices Inc.

LTC3891MPUDC#TRPBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

2,173
RFQ
LTC3891MPUDC#TRPBF Datasheet

Datasheet

- 20-WFQFN 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 -55°C ~ 150°C (TJ) - - Surface Mount 20-QFN (3x4)
LT8390JUFD#TRPBF Analog Devices Inc.

LT8390JUFD#TRPBF

60V SYNC 4-SWITCH BUCK-BOOST CNT

Analog Devices Inc.

2,482
RFQ
LT8390JUFD#TRPBF Datasheet

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4V ~ 60V 150kHz ~ 650kHz 95% Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC3899EFE#TRPBF Analog Devices Inc.

LTC3899EFE#TRPBF

IC REG CTRLR BCK/BCK-BST 38TSSOP

Analog Devices Inc.

4,891
RFQ
LTC3899EFE#TRPBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck, Buck-Boost 3 2 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 100% Yes No - Enable, Frequency Control, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC1649CS Analog Devices Inc.

LTC1649CS

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

2,793
RFQ
LTC1649CS Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 5V 200kHz 93% Yes No - Current Limit, Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LT3845MPFE#TRPBF Analog Devices Inc.

LT3845MPFE#TRPBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

4,009
RFQ
LT3845MPFE#TRPBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -55°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LT3845AMPFE#TRPBF Analog Devices Inc.

LT3845AMPFE#TRPBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

4,371
RFQ
LT3845AMPFE#TRPBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -55°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC3853MPUJ#TRPBF Analog Devices Inc.

LTC3853MPUJ#TRPBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

4,832
RFQ
LTC3853MPUJ#TRPBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) 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)
ISL81802FRTZ-T7A Renesas Electronics Corporation

ISL81802FRTZ-T7A

80V DUAL SYNC BUCK CONTROLLER 32

Renesas Electronics Corporation

2,045
RFQ
ISL81802FRTZ-T7A Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 80V 100kHz ~ 1MHz - Yes Yes - Current Limit, Enable, Off Time Control, On Time Control, Phase Control, Power Good, Power On Reset, Pulse Skipping, Ramp, Sequencing, Soft Star, Tracking -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
LTC3882EUJ-1#TRPBF Analog Devices Inc.

LTC3882EUJ-1#TRPBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

2,732
RFQ
LTC3882EUJ-1#TRPBF Datasheet

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 13.8V 500kHz 87.5% No Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LTC3891MPFE#TRPBF Analog Devices Inc.

LTC3891MPFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

2,524
RFQ
LTC3891MPFE#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 -55°C ~ 150°C (TJ) - - Surface Mount 20-TSSOP-EP
LTC3890HGN-1#TRPBF Analog Devices Inc.

LTC3890HGN-1#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,425
RFQ
LTC3890HGN-1#TRPBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 28-SSOP
LTC3887EUJ-1#TRPBF Analog Devices Inc.

LTC3887EUJ-1#TRPBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

4,554
RFQ
LTC3887EUJ-1#TRPBF Datasheet

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V 250kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LTC1628IG-PG#TRPBF Analog Devices Inc.

LTC1628IG-PG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,495
RFQ
LTC1628IG-PG#TRPBF Datasheet

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC3787MPGN#TRPBF Analog Devices Inc.

LTC3787MPGN#TRPBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

2,811
RFQ
LTC3787MPGN#TRPBF Datasheet

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -55°C ~ 150°C (TJ) - - Surface Mount 28-SSOP
LTC3787MPUFD#TRPBF Analog Devices Inc.

LTC3787MPUFD#TRPBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

2,574
RFQ
LTC3787MPUFD#TRPBF Datasheet

Datasheet

PolyPhase® 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -55°C ~ 150°C (TJ) - - Surface Mount 28-QFN (4x5)
LT3724MPFE#TRPBF Analog Devices Inc.

LT3724MPFE#TRPBF

IC REG CTRLR MULT TOP 16TSSOP

Analog Devices Inc.

3,437
RFQ
LT3724MPFE#TRPBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 4V ~ 60V 200kHz - No No - Enable, Soft Start -55°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC3784MPGN#TRPBF Analog Devices Inc.

LTC3784MPGN#TRPBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

4,463
RFQ
LTC3784MPGN#TRPBF Datasheet

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 60V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -55°C ~ 150°C (TJ) - - Surface Mount 28-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.