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
LTC3853MPUJ#TRPBF

LTC3853MPUJ#TRPBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

0 -
RFQ
LTC3853MPUJ#TRPBF

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

ISL81802FRTZ-T7A

80V DUAL SYNC BUCK CONTROLLER 32

Renesas Electronics Corporation

0 -
RFQ
ISL81802FRTZ-T7A

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

LTC3882EUJ-1#TRPBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

0 -
RFQ
LTC3882EUJ-1#TRPBF

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

LTC3891MPFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

0 -
RFQ
LTC3891MPFE#TRPBF

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

LTC3890HGN-1#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3890HGN-1#TRPBF

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

LTC3887EUJ-1#TRPBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

0 -
RFQ
LTC3887EUJ-1#TRPBF

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

LTC1628IG-PG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1628IG-PG#TRPBF

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

LTC3787MPGN#TRPBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3787MPGN#TRPBF

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

LTC3787MPUFD#TRPBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

0 -
RFQ
LTC3787MPUFD#TRPBF

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

LT3724MPFE#TRPBF

IC REG CTRLR MULT TOP 16TSSOP

Analog Devices Inc.

0 -
RFQ
LT3724MPFE#TRPBF

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

LTC3784MPGN#TRPBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3784MPGN#TRPBF

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
LTC3784MPUFD#TRPBF

LTC3784MPUFD#TRPBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

0 -
RFQ
LTC3784MPUFD#TRPBF

Datasheet

PolyPhase® 28-WFQFN Exposed Pad 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-QFN (4x5)
LTC3880IUJ#TRPBF

LTC3880IUJ#TRPBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

0 -
RFQ
LTC3880IUJ#TRPBF

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
8551501VA

8551501VA

REGULATING PULSE WIDTH MODULATOR

Texas Instruments

0 -
RFQ
8551501VA

Datasheet

- 18-CDIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up/Step-Down Positive and Negative Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 35V 1Hz ~ 400kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start -55°C ~ 125°C (TA) - - Through Hole 18-CDIP
LTC3859AMPUHF#TRPBF

LTC3859AMPUHF#TRPBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3859AMPUHF#TRPBF

Datasheet

- 38-WFQFN Exposed Pad Tape & Reel (TR) 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 -55°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3859ALMPUHF#TRPBF

LTC3859ALMPUHF#TRPBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3859ALMPUHF#TRPBF

Datasheet

- 38-WFQFN Exposed Pad Tape & Reel (TR) 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 -55°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LT3758MPMSE#TRPBF

LT3758MPMSE#TRPBF

IC REG CTRLR MULT TOP 10MSOP

Analog Devices Inc.

0 -
RFQ
LT3758MPMSE#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 -55°C ~ 150°C (TJ) - - Surface Mount 10-MSOP-EP
LT3758AMPMSE#TRPBF

LT3758AMPMSE#TRPBF

IC REG CTRLR MULT TOP 10MSOP

Analog Devices Inc.

0 -
RFQ
LT3758AMPMSE#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 -55°C ~ 150°C (TJ) - - Surface Mount 10-MSOP-EP
SG1843Y

SG1843Y

IC REG CTRLR BUCK 8CDIP

Microchip Technology

0 -
RFQ
SG1843Y

Datasheet

- 8-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 7.6V ~ 30V 1Hz ~ 500kHz 95% No No - - -55°C ~ 125°C (TA) - - Through Hole 8-CDIP
LTC3859AMPFE#PBF

LTC3859AMPFE#PBF

IC REG CTRLR MULT TOP 38TSSOP

Analog Devices Inc.

0 -
RFQ
LTC3859AMPFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 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 -55°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
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