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
LT3840HFE#TRPBF

LT3840HFE#TRPBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

0 -
RFQ
LT3840HFE#TRPBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
ISL81401AFRZ-T7A

ISL81401AFRZ-T7A

40V 4-SW SYNCH BUCK-BOOST PWM CO

Renesas Electronics Corporation

129 -
RFQ
ISL81401AFRZ-T7A

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Obsolete 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)
ISL81802FRTZ-T

ISL81802FRTZ-T

80V DUAL SYNC BUCK CONTROLLER 32

Renesas Electronics Corporation

6,000 -
RFQ
ISL81802FRTZ-T

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active 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 Start, Tracking -40°C ~ 125°C - - Surface Mount 32-TQFN (5x5)
UC2856DW

UC2856DW

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

616 -
RFQ
UC2856DW

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 40V 200kHz 47% Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
LTC3736EUF#TRPBF

LTC3736EUF#TRPBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

0 -
RFQ
LTC3736EUF#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes Yes - Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
UC2870DW-1

UC2870DW-1

SWITCHING CONTROLLER

Texas Instruments

1,360 -
RFQ
UC2870DW-1

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL9443IRZ

ISL9443IRZ

SWITCHING CONTROLLER

Intersil

653 -
RFQ
ISL9443IRZ

Datasheet

- 32-VFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 3 2 4.5V ~ 28V 600kHz ~ 1.2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
ADP1828YRQZ-R7

ADP1828YRQZ-R7

IC REG CTRLR BUCK 20QSOP

Analog Devices Inc.

0 -
RFQ
ADP1828YRQZ-R7

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 20V 300kHz, 600kHz 93% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
ADP1828ACPZ-R7

ADP1828ACPZ-R7

IC REG CTRLR BUCK 20LFCSP

Analog Devices Inc.

0 -
RFQ
ADP1828ACPZ-R7

Datasheet

- 20-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 20V 300kHz, 600kHz 93% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 20-LFCSP (4x4)
ISL8117AFRZ-T7A

ISL8117AFRZ-T7A

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

598 -
RFQ
ISL8117AFRZ-T7A

Datasheet

- 16-TFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 60V 100kHz ~ 2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (4x4)
LT3800IFE#TRPBF

LT3800IFE#TRPBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

0 -
RFQ
LT3800IFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 60V 200kHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
UCC25702N

UCC25702N

IC REG CTRLR MULT TOPOLOGY 14DIP

Texas Instruments

0 -
RFQ
UCC25702N

Datasheet

- 14-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 8.8V ~ 15V 100kHz 99% No Yes - Current Limit, Frequency Control, Sequencing, Soft Start -40°C ~ 85°C (TA) - - Through Hole 14-PDIP
MAX25203ATJA/VY+

MAX25203ATJA/VY+

IC 36V DUAL PHASE BOOST I2C

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX25203ATJA/VY+

Datasheet

- 32-WFQFN Exposed Pad Tray Obsolete Transistor Driver Step-Up Positive Boost 1 2 1.8V ~ 36V 220kHz ~ 2.1MHz - Yes Yes I2C, SMBus Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start, Sync -40°C ~ 125°C (TA) - - Surface Mount, Wettable Flank 32-WETQFN (5x5)
MAX25203BATJA/VY+

MAX25203BATJA/VY+

36V DUAL PHASE BOOST CONTROLLER

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX25203BATJA/VY+

Datasheet

- 32-WFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Up Positive Boost 1 2 1.8V ~ 36V 220kHz ~ 2.1MHz - Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start, Sync -40°C ~ 125°C (TA) - - Surface Mount, Wettable Flank 32-WETQFN (5x5)
UCD9220RGZR

UCD9220RGZR

IC REG CTRLR BUCK PMBUS 48VQFN

Texas Instruments

0 -
RFQ
UCD9220RGZR

Datasheet

- 48-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 4 4 3V ~ 3.6V 15.26kHz ~ 2MHz 100% No Yes I2C, PMBus, SMBus Tracking -40°C ~ 125°C (TJ) - - Surface Mount 48-VQFN (7x7)
MAX741UCAP+

MAX741UCAP+

IC REG CTRLR BUCK/BOOST 20SSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX741UCAP+

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Down Positive or Negative Buck, Boost 1 1 2.7V ~ 15.5V - - No Yes - Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-SSOP
MAX1845EEI+

MAX1845EEI+

IC REG CTRLR BUCK 28QSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX1845EEI+

Datasheet

* - Bulk Obsolete - - - - - - - - - - - - - - - - - -
ADP1822ARQZ-R7

ADP1822ARQZ-R7

IC REG CTRLR BUCK 24QSOP

Analog Devices Inc.

0 -
RFQ
ADP1822ARQZ-R7

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.7V ~ 5.5V 310kHz, 570kHz - Yes Yes - Enable, Frequency Control, Margining, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
LT3782AEFE#TRPBF

LT3782AEFE#TRPBF

IC REG CTRLR BOOST 28TSSOP

Analog Devices Inc.

0 -
RFQ
LT3782AEFE#TRPBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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-TSSOP-EP
LTC3859AEFE#TRPBF

LTC3859AEFE#TRPBF

IC REG CTRLR MULT TOP 38TSSOP

Analog Devices Inc.

0 -
RFQ
LTC3859AEFE#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 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 ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
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