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
L6727TR

L6727TR

IC REG CTRLR BUCK 8SOIC

STMicroelectronics

6 -
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.1V ~ 13.2V 300kHz 80% Yes No - Enable, Phase Control -20°C ~ 85°C (TA) - - Surface Mount 8-SOIC
UC3842ADR2

UC3842ADR2

IC REG CTRLR FLYBK ISO CM 14SOIC

onsemi

0 -
RFQ
UC3842ADR2

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
MIC38C43ABMM-TR

MIC38C43ABMM-TR

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

0 -
RFQ
MIC38C43ABMM-TR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
MIC38C43BMM-TR

MIC38C43BMM-TR

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

0 -
RFQ
MIC38C43BMM-TR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
MIC38C45ABMM-TR

MIC38C45ABMM-TR

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

0 -
RFQ
MIC38C45ABMM-TR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 50% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
MIC2164-3YMM

MIC2164-3YMM

IC REG CTRLR BUCK 10MSOP

Microchip Technology

0 -
RFQ
MIC2164-3YMM

Datasheet

Hyper Speed Control® 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 28V 1MHz 66% Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP
TPS40304ADRCR

TPS40304ADRCR

IC REG CTRLR BUCK 10SON

Texas Instruments

0 -
RFQ
TPS40304ADRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 20V 600kHz 90% Yes No - Enable, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-VSON (3x3)
MIC2164-3YMM-TR

MIC2164-3YMM-TR

IC REG CTRLR BUCK 10MSOP

Microchip Technology

0 -
RFQ
MIC2164-3YMM-TR

Datasheet

Hyper Speed Control® 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 28V 1MHz 66% Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP
UCC3803PWTRG4

UCC3803PWTRG4

IC REG CTRLR MULT TOP 8TSSOP

Texas Instruments

0 -
RFQ
UCC3803PWTRG4

Datasheet

- 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter 1 1 3.6V ~ 12V 31kHz 99% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-TSSOP
MAX8523EEE+T

MAX8523EEE+T

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 6.5V Up to 1.2MHz - Yes No - - -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
LM5030SDX/NOPB

LM5030SDX/NOPB

IC REG CTRLR MULT TOPOLOGY 10SON

Texas Instruments

0 -
RFQ
LM5030SDX/NOPB

Datasheet

- 10-WDFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge, Half-Bridge, Push-Pull 2 1 14V ~ 90V 200kHz, 600kHz 50% No No - Frequency Control, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 10-WSON (4x4)
MIC38C43YN

MIC38C43YN

IC REG CTRLR MULT TOPOLOGY 8DIP

Microchip Technology

0 -
RFQ
MIC38C43YN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Through Hole 8-DIP
UCC2813PW-1

UCC2813PW-1

IC REG CTRLR MULT TOP 8TSSOP

Texas Instruments

0 -
RFQ
UCC2813PW-1

Datasheet

- 8-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 7.4V ~ 12V - 49% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-TSSOP
MAX25431ATGA/VY+T

MAX25431ATGA/VY+T

IC REG CTRLR BUCK/BOOST 24SWTQFN

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 6V ~ 36V 2.2MHz - No Yes - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TA) Automotive AEC-Q101 Surface Mount, Wettable Flank 24-SWTQFN (4x4)
LM3743MMX-1000/NOPB

LM3743MMX-1000/NOPB

IC REG CTRLR BUCK 10MSOP

Texas Instruments

0 -
RFQ
LM3743MMX-1000/NOPB

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 300kHz 76% Yes No - Current Limit, Enable, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 10-VSSOP
LM3743MMX-300/NOPB

LM3743MMX-300/NOPB

IC REG CTRLR BUCK 10MSOP

Texas Instruments

0 -
RFQ
LM3743MMX-300/NOPB

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 300kHz 91% Yes No - Current Limit, Enable, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 10-VSSOP
UC2524ADWG4

UC2524ADWG4

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

0 -
RFQ
UC2524ADWG4

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 40V 500kHz 45% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
IXD3221A095MR-G

IXD3221A095MR-G

IC REG CTRLR BUCK SOT25

Zilog

0 -
RFQ
IXD3221A095MR-G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 16V 500kHz 100% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount SOT-25
IXD3221A09AMR-G

IXD3221A09AMR-G

IC REG CTRLR BUCK SOT25

Zilog

0 -
RFQ
IXD3221A09AMR-G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 16V 1MHz 100% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount SOT-25
UC3525ANG4

UC3525ANG4

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

0 -
RFQ
UC3525ANG4

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 35V 100Hz ~ 400kHz 49% Yes Yes - Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
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