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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DC DC Switching Controllers

DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.

TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing support.

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
LT1339CSW#PBF

LT1339CSW#PBF

IC REG CTLR BST/FWRD CONV 20SOIC

Analog Devices Inc.

1,699 -
RFQ
LT1339CSW#PBF

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Forward Converter 1 1 Up to 20V - 90% No Yes - Current Limit, Enable, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-SO
LT8390EFE#TRPBF

LT8390EFE#TRPBF

IC REG CTRLR BUCK/BOOST 28TSS

Analog Devices Inc.

1,832 -
RFQ
LT8390EFE#TRPBF

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 190kHz ~ 630kHz 95% Yes Yes - Current Limit, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3890EUH#TRPBF

LTC3890EUH#TRPBF

IC REG CTRLR BUCK/SEPIC 32QFN

Analog Devices Inc.

1,741 -
RFQ
LTC3890EUH#TRPBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3789EUFD#TRPBF

LTC3789EUFD#TRPBF

IC REG CTRLR BUCK-BOOST 28QFN

Analog Devices Inc.

7,083 -
RFQ
LTC3789EUFD#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 4V ~ 38V 200kHz ~ 640kHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC3789EGN#TRPBF

LTC3789EGN#TRPBF

IC REG CTRLR BUCK-BOOST 28SSOP

Analog Devices Inc.

3,569 -
RFQ
LTC3789EGN#TRPBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 4V ~ 38V 200kHz ~ 640kHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3789EGN#PBF

LTC3789EGN#PBF

IC REG CTRLR BUCK-BOOST 28SSOP

Analog Devices Inc.

851 -
RFQ
LTC3789EGN#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 4V ~ 38V 200kHz ~ 640kHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3789EUFD#PBF

LTC3789EUFD#PBF

IC REG CTRLR BUCK-BOOST 28QFN

Analog Devices Inc.

575 -
RFQ
LTC3789EUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 4V ~ 38V 200kHz ~ 640kHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC3895EFE#TRPBF

LTC3895EFE#TRPBF

IC REG CTRLR BUCK 38TSSOP

Analog Devices Inc.

2,294 -
RFQ
LTC3895EFE#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3790EFE#TRPBF

LT3790EFE#TRPBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

3,733 -
RFQ
LT3790EFE#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3791EFE-1#TRPBF

LT3791EFE-1#TRPBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

2,297 -
RFQ
LT3791EFE-1#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3791EFE-1#PBF

LT3791EFE-1#PBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

901 -
RFQ
LT3791EFE-1#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3790EFE#PBF

LT3790EFE#PBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

458 -
RFQ
LT3790EFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT1683EG#TRPBF

LT1683EG#TRPBF

IC REG CTRLR PUSH-PULL 20SSOP

Analog Devices Inc.

1,524 -
RFQ
LT1683EG#TRPBF

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive and Negative Push-Pull 1 1 7.3V ~ 20V 250kHz 46% No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-SSOP
LT8390AIUFD#TRPBF

LT8390AIUFD#TRPBF

IC REG CTRLR BUCK-BOOST 28

Analog Devices Inc.

1,913 -
RFQ
LT8390AIUFD#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4V ~ 60V 645kHz ~ 2.1MHz 95% Yes Yes - Current Limit, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC3721EGN-1#PBF

LTC3721EGN-1#PBF

IC REG CTRLR PUSH-PULL 16SSOP

Analog Devices Inc.

191 -
RFQ
LTC3721EGN-1#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Push-Pull 2 2 Up to 10V Up to 1MHz 50% No No - Current Limit, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC3892EUH-2#TRPBF

LTC3892EUH-2#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

4,537 -
RFQ
LTC3892EUH-2#TRPBF

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3892EUH#PBF

LTC3892EUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

4,443 -
RFQ
LTC3892EUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3892EUH#TRPBF

LTC3892EUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

2,439 -
RFQ
LTC3892EUH#TRPBF

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3892EUH-2#PBF

LTC3892EUH-2#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

255 -
RFQ
LTC3892EUH-2#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC7801IFE#TRPBF

LTC7801IFE#TRPBF

IC REG CTRLR SYNC BUCK 24TSSOP

Analog Devices Inc.

7,778 -
RFQ
LTC7801IFE#TRPBF

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
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