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
LM27213SQX/NOPB

LM27213SQX/NOPB

IC REG CTRLR BUCK 48WQFN

Texas Instruments

0 -
RFQ
LM27213SQX/NOPB

Datasheet

- 48-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 6V - - Yes No - Current Limit, Enable, Power Good, Soft Start -5°C ~ 105°C (TA) - - Surface Mount 48-WQFN (7x7)
RAA228228GNP#HA0

RAA228228GNP#HA0

DIGITAL DUAL OUTPUT, 20-PHASE PW

Renesas Electronics Corporation

0 -
RFQ
RAA228228GNP#HA0

Datasheet

- 68-VFQFN Exposed Pad Tape & Reel (TR) Active PWM - Positive - 2 20 - 2MHz - No No SMBus - - - - Surface Mount 68-QFN (8x8)
ISL78224ANZ-T

ISL78224ANZ-T

AUTO 4 PHASE BI-DIRECTIONAL BUCK

Renesas Electronics Corporation

0 -
RFQ
ISL78224ANZ-T

Datasheet

- 64-TQFP Exposed Pad Tape & Reel (TR) Active PWM Step-Up/Step-Down Positive Flyback 2 4 6V ~ 64V 100kHz ~ 750kHz 91.7% Yes Yes PMBus Current Limit, Enable -40°C ~ 125°C (TA) - - Surface Mount 64-TQFP-EP (10x10)
LTC3707EGN-SYNC#TRPBF

LTC3707EGN-SYNC#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3707EGN-SYNC#TRPBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3890IGN-1#TRPBF

LTC3890IGN-1#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3890IGN-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 ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3859AHUHF#TRPBF

LTC3859AHUHF#TRPBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3859AHUHF#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 -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3890IGN-3#TRPBF

LTC3890IGN-3#TRPBF

IC REG CTRLR BUCK/SEPIC 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3890IGN-3#TRPBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, SEPIC 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3859ALHUHF#TRPBF

LTC3859ALHUHF#TRPBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3859ALHUHF#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 -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LT3782EUFD#TRPBF

LT3782EUFD#TRPBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

0 -
RFQ
LT3782EUFD#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) 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)
LTC3707IGN#TRPBF

LTC3707IGN#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3707IGN#TRPBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1143LCS#TRPBF

LTC1143LCS#TRPBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1143LCS#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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
LTC1143LCS-ADJ#TRPBF

LTC1143LCS-ADJ#TRPBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1143LCS-ADJ#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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
LTC1929CG#TRPBF

LTC1929CG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1929CG#TRPBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) 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
MAX15157DATJ+T

MAX15157DATJ+T

48V CURRENT MODE BUCK CONTROLLER

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX15157DATJ+T

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 8V ~ 60V 60kHz ~ 1MHz 50% No Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
UCC3806DWG4

UCC3806DWG4

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

0 -
RFQ
UCC3806DWG4

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 2 1 8V ~ 14.5V 47kHz 50% Yes No - Current Limit, Enable, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
LTC3728LIGN#TRPBF

LTC3728LIGN#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3728LIGN#TRPBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) 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
LTC3728LIUH#TRPBF

LTC3728LIUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

0 -
RFQ
LTC3728LIUH#TRPBF

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) 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)
TPS53676RSLT

TPS53676RSLT

IC POWER

Texas Instruments

0 -
RFQ

-

- 48-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Step-Down Positive Buck 2 7 4.5V ~ 17V 300kHz ~ 2MHz 50% No Yes AVSBus, I2C, PMBus Enable, Frequency Control, Phase Control, Ramp, Reset, Slew Control, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 48-VQFN (6x6)
LTC1735IF#TRPBF

LTC1735IF#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

0 -
RFQ
LTC1735IF#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-TSSOP
MAX1637EEE+T

MAX1637EEE+T

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Last Time Buy Transistor Driver Step-Down Positive Buck 1 1 3.15V ~ 5.5V 200kHz ~ 300kHz 96% Yes Yes - Enable -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
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