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
MAX1954EUB+T

MAX1954EUB+T

IC REG CTRLR BUCK 10UMAX

Analog Devices Inc./Maxim Integrated

2,500 -
RFQ
MAX1954EUB+T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 300kHz 89% Yes No - Current Limit -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX/uSOP
ISL78268ARZ-T7A

ISL78268ARZ-T7A

IC REG CTRLR BUCK 24QFN

Renesas Electronics Corporation

220 -
RFQ
ISL78268ARZ-T7A

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.5V 50kHz ~ 1.1MHz - Yes Yes - Enable, Phase Control, Power Good, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 24-QFN (4x4)
ISL6726AAZ-T

ISL6726AAZ-T

IC REG CTRLR MULT TOP 20QSOP

Renesas Electronics Corporation

2,500 -
RFQ
ISL6726AAZ-T

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter, Half-Bridge 1 1 9V ~ 16V Up to 1MHz 80% Yes Yes - Current Limit, Enable, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 20-QSOP
LT3781EG#PBF

LT3781EG#PBF

IC REG CTRLR FWRD CONV 20SSOP

Analog Devices Inc.

0 -
RFQ
LT3781EG#PBF

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 9V ~ 18V 700kHz - No Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-SSOP
LT3758AIMSE#TRPBF

LT3758AIMSE#TRPBF

IC REG CTRLR MULT TOP 10MSOP

Analog Devices Inc.

2,411 -
RFQ
LT3758AIMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Boost, Flyback, SEPIC 1 1 5.5V ~ 100V 100kHz ~ 1MHz - No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP-EP
LTC3809EDD-1#PBF

LTC3809EDD-1#PBF

IC REG CTRLR BUCK 10DFN

Analog Devices Inc.

121 -
RFQ
LTC3809EDD-1#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.75V ~ 9.8V 550kHz 100% Yes No - Enable, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 10-DFN (3x3)
LM5119QPSQ/NOPB

LM5119QPSQ/NOPB

IC REG CTRLR BUCK 32WQFN

Texas Instruments

878 -
RFQ
LM5119QPSQ/NOPB

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 5.5V ~ 65V 50kHz ~ 750kHz - Yes No - Enable, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 32-WQFN (5x5)
MAX16931BATLS/V+

MAX16931BATLS/V+

1MHZ 36V DUAL BUCK

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 3 2 3.5V ~ 42V 200kHz ~ 1MHz 95% Yes Yes - Enable, Frequency Control, Power Good -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount 40-TQFN (6x6)
LTC1437CG#PBF

LTC1437CG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1437CG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
LTC1437ACG#PBF

LTC1437ACG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1437ACG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
MAX1846EUB+T

MAX1846EUB+T

IC REG CTRLR FLYBACK 10UMAX

Analog Devices Inc./Maxim Integrated

1,711 -
RFQ

-

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Negative Flyback 1 1 3V ~ 16.5V 100kHz ~ 500kHz 96% No Yes - Enable, Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX/uSOP
LT8316HFE#PBF

LT8316HFE#PBF

600VIN MICROPOWER, ISOLATED NO-O

Analog Devices Inc.

0 -
RFQ
LT8316HFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad Tube Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost, Flyback 1 1 16V ~ 600V 220Hz ~ 140kHz - Yes - - Current Limit, Enable, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 20-TSSOP-EP
LTC1148HVCS-5#PBF

LTC1148HVCS-5#PBF

IC REG CTRLR BUCK 14SOIC

Analog Devices Inc.

0 -
RFQ
LTC1148HVCS-5#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
ISL81601FVEZ-T

ISL81601FVEZ-T

60V 4 SWITCH SYNCH BUCK-BOOST PW

Renesas Electronics Corporation

2,403 -
RFQ
ISL81601FVEZ-T

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Up/Step-Down Positive Buck-Boost 1 2 4.5V ~ 60V 90kHz ~ 650kHz - Yes Yes - Current Limit, Enable, Power Good -40°C ~ 125°C (TA) - - Surface Mount 38-HTSSOP
LTC3868EUH#TRPBF

LTC3868EUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

2,470 -
RFQ
LTC3868EUH#TRPBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 24V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
ISL81601FRZ

ISL81601FRZ

SWITCH SYNCHRONOUS BUCK BOOST

Renesas Electronics Corporation

450 -
RFQ
ISL81601FRZ

Datasheet

- 32-VFQFN Exposed Pad Bulk Active PWM Signal Step-Up/Step-Down Positive Buck-Boost 1 2 4.5V ~ 60V 90kHz ~ 650kHz - Yes Yes - Current Limit, Enable, Power Good -40°C ~ 125°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3836EUFD#PBF

LTC3836EUFD#PBF

IC REG CTRLR BUCK 28QFN

Analog Devices Inc.

146 -
RFQ
LTC3836EUFD#PBF

Datasheet

PolyPhase® 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 4.5V 300kHz ~ 750kHz 97% Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-QFN (4x5)
LTC3836EGN#PBF

LTC3836EGN#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

39 -
RFQ
LTC3836EGN#PBF

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 4.5V 300kHz ~ 750kHz 97% Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LT3781IG#PBF

LT3781IG#PBF

IC REG CTRLR FWRD CONV 20SSOP

Analog Devices Inc.

0 -
RFQ
LT3781IG#PBF

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 9V ~ 18V 700kHz - No Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-SSOP
LTC1148LCS#PBF

LTC1148LCS#PBF

IC REG CTRLR BUCK 14SOIC

Analog Devices Inc.

0 -
RFQ
LTC1148LCS#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
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