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
MAX20034ATIR/VY+T

MAX20034ATIR/VY+T

36V DUAL HV CONTROLLER WITH LOW

Analog Devices Inc./Maxim Integrated

2,500 -
RFQ
MAX20034ATIR/VY+T

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 36V 220kHz ~ 2.2MHz 99% Yes Yes - Current Limit, Enable -40°C ~ 125°C Automotive AEC-Q100 Surface Mount, Wettable Flank 28-TQFN (5x5)
LTC1435CG#PBF

LTC1435CG#PBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

0 -
RFQ
LTC1435CG#PBF

Datasheet

- 16-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, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SSOP
LT3782AIUFD#PBF

LT3782AIUFD#PBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

0 -
RFQ
LT3782AIUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 6V ~ 40V 154kHz ~ 465kHz 94% Yes Yes - Enable, Frequency Control, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
RT8848AGQW

RT8848AGQW

IC PWM CTRLR BUCK WQFN-40

Richtek USA Inc.

1,485 -
RFQ
RT8848AGQW

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 1 8 2.8V ~ 24V 300kHz - Yes No I2C Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start -10°C ~ 105°C - - Surface Mount 40-WQFN (5x5)
ISL81401AFRZ

ISL81401AFRZ

40V 4-SW SYNCH BUCK-BOOST PWM

Renesas Electronics Corporation

928 -
RFQ
ISL81401AFRZ

Datasheet

- 32-VFQFN Exposed Pad Tube Active PWM Signal Step-Up/Step-Down Positive Buck-Boost 1 2 4.5V ~ 40V 90kHz ~ 650kHz - Yes Yes - Current Limit, Enable, Power Good -40°C ~ 125°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3775IUD#TRPBF

LTC3775IUD#TRPBF

IC REG CTRLR BUCK 16QFN

Analog Devices Inc.

2,500 -
RFQ
LTC3775IUD#TRPBF

Datasheet

PolyPhase® 16-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 250kHz ~ 1MHz 90% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
MAX1541ETL+

MAX1541ETL+

IC REG CTRLR BUCK 40TQFN

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 1 2V ~ 28V 170kHz ~ 620kHz 100% Yes No - Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation -40°C ~ 85°C (TA) - - Surface Mount 40-TQFN (6x6)
LTC3728LIGN-1#PBF

LTC3728LIGN-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3728LIGN-1#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 35V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3860IUH#PBF

LTC3860IUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

73 -
RFQ
LTC3860IUH#PBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 1.25MHz 91.5% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
TPS40428RHAR

TPS40428RHAR

IC REG CTRLR BUCK PMBUS 40VQFN

Texas Instruments

2,445 -
RFQ
TPS40428RHAR

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 20V 200kHz ~ 1.5MHz - No Yes PMBus Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 40-VQFN (6x6)
UC3827DW-1

UC3827DW-1

IC REG CTRLR MULT TOP 24SOIC

Texas Instruments

4,673 -
RFQ
UC3827DW-1

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Full-Bridge, Push-Pull 3 1 7.6V ~ 20V 220kHz 91% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-SOIC
MAX25206ATPB/VY+

MAX25206ATPB/VY+

HV 80V BUCK CONTROLLER

Analog Devices Inc./Maxim Integrated

285 -
RFQ
MAX25206ATPB/VY+

Datasheet

- 20-WFQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 60V 220kHz ~ 2.2MHz 97% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TA) - - Surface Mount, Wettable Flank 20-SWTQFN (4x4)
LT3782EUFD#PBF

LT3782EUFD#PBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

0 -
RFQ
LT3782EUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 6V ~ 40V 154kHz ~ 465kHz 94% Yes Yes - Enable, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
MAX17557ATP+T

MAX17557ATP+T

4.5V TO 60V, EXTERNAL FET CONTRO

Analog Devices Inc./Maxim Integrated

2,083 -
RFQ
MAX17557ATP+T

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 60V 100kHz ~ 2.2MHz - Yes No - Enable -40°C ~ 125°C - - Surface Mount 20-TQFN (4x4)
LT8316IF#PBF

LT8316IF#PBF

560VIN MICROPOWER, ISOLATED NO-O

Analog Devices Inc.

0 -
RFQ
LT8316IF#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 15 Leads Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback 1 1 16V ~ 560V 3.5kHz ~ 140kHz - Yes No - Current Limit, Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP
LTC3728LIUH#PBF

LTC3728LIUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

0 -
RFQ
LTC3728LIUH#PBF

Datasheet

- 32-WFQFN Exposed Pad 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 32-QFN (5x5)
MAX16933ATIR/V+

MAX16933ATIR/V+

1MHZ, 36V, DUAL BUCK WITH 20UA Q

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX16933ATIR/V+

Datasheet

- 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 42V 200kHz ~ 1MHz 98.5% Yes Yes - Enable, Frequency Control, Power Good -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 28-TQFN (5x5)
LTC3872HTS8#TRMPBF

LTC3872HTS8#TRMPBF

IC REG CTRLR BOOST TSOT23-8

Analog Devices Inc.

492 -
RFQ
LTC3872HTS8#TRMPBF

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 1 1 2.75V ~ 9.8V 550kHz - No No - Current Limit, Enable, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount TSOT-23-8
MAX772CSA+

MAX772CSA+

IC REG CTRLR BOOST 8SOIC

Analog Devices Inc./Maxim Integrated

198 -
RFQ
MAX772CSA+

Datasheet

- 8-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 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
LTC3870EUF-1#PBF

LTC3870EUF-1#PBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

18 -
RFQ
LTC3870EUF-1#PBF

Datasheet

PolyPhase® 24-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 60V 500kHz - No Yes - Current Limit, Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (4x4)
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