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
LTC3728LEGN#PBF

LTC3728LEGN#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3728LEGN#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1709EG-7#PBF

LTC1709EG-7#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

0 -
RFQ
LTC1709EG-7#PBF

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 140kHz ~ 310kHz 99.5% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC3859ALIUHF#PBF

LTC3859ALIUHF#PBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3859ALIUHF#PBF

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 38V 115kHz ~ 835kHz, 350kHz ~ 535kHz 99%, 100% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3826EG-1#PBF

LTC3826EG-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3826EG-1#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1143CS#PBF

LTC1143CS#PBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1143CS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost 2 1 4V ~ 14V Up to 400kHz 100% No No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC3826IG-1#PBF

LTC3826IG-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3826IG-1#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1266ACS#PBF

LTC1266ACS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1266ACS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 18V Up to 400kHz 100% Yes No - Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
MAX773ESD+

MAX773ESD+

IC REG CTRLR BOOST 14SOIC

Analog Devices Inc./Maxim Integrated

100 -
RFQ
MAX773ESD+

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Not For New Designs Transistor Driver Step-Up Positive Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable, Low Battery -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
LTC1143LCS#PBF

LTC1143LCS#PBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1143LCS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost 2 1 3.5V ~ 16V Up to 400kHz 100% No No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC3731HUH#PBF

LTC3731HUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

0 -
RFQ
LTC3731HUH#PBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 3 3 3.8V ~ 7V 225kHz ~ 680kHz 98.5% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 140°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3728IG#PBF

LTC3728IG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3728IG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1929CG-PG#PBF

LTC1929CG-PG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1929CG-PG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V - 99.5% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1148CS-3.3#PBF

LTC1148CS-3.3#PBF

IC REG CTRLR BUCK 14SOIC

Analog Devices Inc.

0 -
RFQ
LTC1148CS-3.3#PBF

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 20V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 14-SO
LTC1266AIS#PBF

LTC1266AIS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1266AIS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 18V Up to 400kHz 100% Yes No - Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC3899HUHF#PBF

LTC3899HUHF#PBF

IC REG CTRLR BUCK/BUCK-BST 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3899HUHF#PBF

Datasheet

- 38-WFQFN Exposed Pad Tube 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 ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC1159CS-3.3#PBF

LTC1159CS-3.3#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1159CS-3.3#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC1922IG-1#PBF

LTC1922IG-1#PBF

IC REG CTRLR FULL-BRIDGE 20SSOP

Analog Devices Inc.

0 -
RFQ
LTC1922IG-1#PBF

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge 1 1 3.8V ~ 10.3V Up to 1MHz 99% Yes Yes - Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-SSOP
LTC7878AUH#PBF

LTC7878AUH#PBF

80V PEAK CURRENT MODE BUCK-BOOST

Analog Devices Inc.

6 -
RFQ
LTC7878AUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 5V ~ 70V 50kHz ~ 800kHz 90% (Typ) Yes Yes - Current Limit, Dead Time Control, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC1873EG#PBF

LTC1873EG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1873EG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 7V 550kHz 90% Yes No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3897HUHF#PBF

LTC3897HUHF#PBF

IC REG CTRLR BUCK BOOST 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3897HUHF#PBF

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 65V 75kHz ~ 850kHz - Yes Yes - Current Limit, Frequency Control, Overcurrent, Ramping -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
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