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
MAX1844EEP+

MAX1844EEP+

IC REG CTRLR BUCK 20QSOP

Analog Devices Inc./Maxim Integrated

2,673 -
RFQ
MAX1844EEP+

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 200kHz, 300kHz, 450kHz, 600kHz - Yes No - Current Limit, Enable, On Time Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
MAX1502WETJ

MAX1502WETJ

WIDE 4.5V TO 28V INPUT, DUAL-OUT

Analog Devices Inc./Maxim Integrated

1,164 -
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
MAX767RCAP

MAX767RCAP

STEP-DOWN POWER CONTROLLER

Analog Devices Inc./Maxim Integrated

366 -
RFQ
MAX767RCAP

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 200kHz, 300kHz 95% Yes Yes - Current Limit, Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-SSOP
ISL6545ACBZ

ISL6545ACBZ

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

1,674 -
RFQ
ISL6545ACBZ

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14.4V 600kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
UCC2893PW

UCC2893PW

IC REG CTRLR MULT TOP 16TSSOP

Texas Instruments

2,052 -
RFQ
UCC2893PW

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 8.5V ~ 16V 250kHz 70% No Yes - Current Limit, Enable, On Time Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
ISL6545CBZ-T

ISL6545CBZ-T

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

2,500 -
RFQ
ISL6545CBZ-T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14.4V 300kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
CS3843BGD8

CS3843BGD8

SWITCHING CONTROLLER

onsemi

274 -
RFQ
CS3843BGD8

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
MAX747CSD+

MAX747CSD+

IC REG CTRLR 14SOIC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX747CSD+

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4V ~ 15V 100kHz 96% No No - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
IR3622MTRPBF

IR3622MTRPBF

IC REG CTRLR BUCK 32MLPQ

Infineon Technologies

0 -
RFQ
IR3622MTRPBF

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 7.5V ~ 14.5V 200kHz ~ 600kHz 84% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Sequencing, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-MLPQ (5x5)
MAX1714AEEP

MAX1714AEEP

IC REG CTRLR BUCK 20QSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX1714AEEP

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 200kHz, 300kHz, 450kHz, 600kHz 100% Yes No - Current Limit, Enable, On Time Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
UC2823AQTR

UC2823AQTR

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

2,963 -
RFQ
UC2823AQTR

Datasheet

- 20-LCC (J-Lead) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 1 1 8.4V ~ 22V 400kHz ~ 1MHz 1 No No - Current Limit, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-PLCC (9x9)
IR3590BMTRPBF

IR3590BMTRPBF

IC REG CTLR BUCK I2C 40QFN

Infineon Technologies

0 -
RFQ
IR3590BMTRPBF

Datasheet

- - Tape & Reel (TR) Discontinued at Digi-Key PWM Signal Step-Down Positive Buck 6 6 3.3V 200kHz ~ 2MHz - No No I2C - -40°C ~ 85°C (TA) - - Surface Mount 40-QFN (5x5)
ISL6558IBZ

ISL6558IBZ

SWITCHING CONTROLLER

Elantec

456 -
RFQ
ISL6558IBZ

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 75% - No - Enable, Frequency Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
ISL6558IBZ

ISL6558IBZ

SWITCHING CONTROLLER

Intersil

361 -
RFQ
ISL6558IBZ

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 80kHz ~ 1.5MHz 75% - No - Enable, Frequency Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
MAX5041AEAI

MAX5041AEAI

AVERAGE-CURRENT-MODE CONTROLLER

Analog Devices Inc./Maxim Integrated

133 -
RFQ
MAX5041AEAI

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 250kHz, 500kHz - Yes Yes - Enable, Phase Control, Power On Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LM5026SD/NOPB

LM5026SD/NOPB

IC REG CTRLR FWRD CONV 16WSON

Texas Instruments

1,747 -
RFQ
LM5026SD/NOPB

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Last Time Buy Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 2 1 8V ~ 15V 200kHz ~ 590kHz 70%, 80% No Yes - Dead Time Control, Frequency Control, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-WSON (5x5)
LM5026MT/NOPB

LM5026MT/NOPB

IC REG CTRLR FWRD CONV 16TSSOP

Texas Instruments

361 -
RFQ
LM5026MT/NOPB

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Last Time Buy Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 2 1 8V ~ 15V 200kHz ~ 590kHz 70%, 80% No Yes - Dead Time Control, Frequency Control, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP
ISL78215AUZ-T7A

ISL78215AUZ-T7A

IC REG CTRLR BOOST/FLYBACK 8MSOP

Renesas Electronics Corporation

243 -
RFQ
ISL78215AUZ-T7A

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Last Time Buy Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.5V ~ 18V Up to 2MHz 48% Yes No - Current Limit, Frequency Control -40°C ~ 105°C (TA) - - Surface Mount 8-MSOP
LTC1773EMS#TRPBF

LTC1773EMS#TRPBF

IC REG CTRLR BUCK 10MSOP

Analog Devices Inc.

0 -
RFQ
LTC1773EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.65V ~ 8.5V 550kHz 100% Yes Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 10-MSOP
UCC28250PWR

UCC28250PWR

IC REG CTRLR MULT TOP 20TSSOP

Texas Instruments

0 -
RFQ
UCC28250PWR

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active PWM Signal Step-Up/Step-Down Positive Full-Bridge, Half-Bridge, Push-Pull 2 1 4.7V ~ 17V 85kHz ~ 1.15MHz - Yes No - Current Limit, Enable, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP
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