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
MP8666DN-LF-Z

MP8666DN-LF-Z

IC REG CTRLR BUCK 8SOIC

Monolithic Power Systems Inc.

0 -
RFQ
MP8666DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 21V 600kHz 90% No Yes - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOICE
LM5041ASD

LM5041ASD

IC REG CTRLR MULT TOP 16WSON

Texas Instruments

0 -
RFQ
LM5041ASD

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Half-Bridge, Push-Pull 1 1 15V ~ 90V 200kHz, 600kHz - Yes Yes - Dead Time Control, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-WSON (5x5)
UC3526ADWG4

UC3526ADWG4

IC REG CTRLR MULT TOP 18SOIC

Texas Instruments

0 -
RFQ
UC3526ADWG4

Datasheet

- 18-SOIC (0.295", 7.50mm Width) 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 7V ~ 35V 1Hz ~ 600kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 18-SOIC
LM1771SMM/NOPB

LM1771SMM/NOPB

IC REG CTRLR BUCK 8VSSOP

Texas Instruments

0 -
RFQ
LM1771SMM/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
LM1771TMM/NOPB

LM1771TMM/NOPB

IC REG CTRLR BUCK 8VSSOP

Texas Instruments

0 -
RFQ
LM1771TMM/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
LM1771UMM/NOPB

LM1771UMM/NOPB

IC REG CTRLR BUCK 8VSSOP

Texas Instruments

0 -
RFQ
LM1771UMM/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
LM1771SSD/NOPB

LM1771SSD/NOPB

IC REG CTRLR BUCK 6WSON

Texas Instruments

0 -
RFQ
LM1771SSD/NOPB

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 6-WSON (3x3)
TPS40345DRCR

TPS40345DRCR

TPS40345DRCR

Texas Instruments

0 -
RFQ
TPS40345DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active PWM Step-Down Positive Buck 1 1 3V ~ 20V 600kHz 90% Yes No - Enable, Power Good, Soft Start -20°C ~ 85°C - - Surface Mount 10-VSON (3x3)
ISL6522BIRZ-T

ISL6522BIRZ-T

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

0 -
RFQ
ISL6522BIRZ-T

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
MCP1631VT-E/SS

MCP1631VT-E/SS

IC REG CTRLR SEPIC 20SSOP

Microchip Technology

0 -
RFQ
MCP1631VT-E/SS

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Sepic 1 1 3V ~ 5.5V - - No No - Enable, Frequency Control, Ramp -40°C ~ 125°C (TJ) - - Surface Mount 20-SSOP
UC3526NG4

UC3526NG4

IC REG CTRLR MULT TOPOLOGY 18DIP

Texas Instruments

0 -
RFQ
UC3526NG4

Datasheet

- 18-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 1Hz ~ 400kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start 0°C ~ 70°C (TA) - - Through Hole 18-PDIP
SP6128AEY-L/TR

SP6128AEY-L/TR

IC REG CTRLR BUCK 14TSSOP

MaxLinear, Inc.

0 -
RFQ
SP6128AEY-L/TR

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 300kHz 90% Yes No - Current Limit -40°C ~ 85°C (TA) - - Surface Mount 14-TSSOP
SC2545MLTRT

SC2545MLTRT

IC REG CTRLR BUCK 24MLPQ

Semtech Corporation

0 -
RFQ
SC2545MLTRT

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 100kHz ~ 300kHz 90% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-MLPQ (4x4)
TL5001AQDRQ1

TL5001AQDRQ1

IC REG CTRLR BCK/BST/FLYBK 8SOIC

Texas Instruments

0 -
RFQ
TL5001AQDRQ1

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback 1 1 3.6V ~ 40V 20kHz ~ 500kHz 100% No No - Dead Time Control, Frequency Control -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 8-SOIC
MIC3809YMM-TR

MIC3809YMM-TR

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

0 -
RFQ
MIC3809YMM-TR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge, Half-Bridge, Push-Pull 1 1 4.1V ~ 14V 200kHz 49% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
MIC38C45YMM-TR

MIC38C45YMM-TR

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

0 -
RFQ
MIC38C45YMM-TR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) 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 50% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
MAX5014ESA+T

MAX5014ESA+T

IC REG CTRLR FLYBACK 8SOIC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX5014ESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 13V ~ 36V 275kHz 85% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
MAX5015ESA+T

MAX5015ESA+T

IC REG CTRLR FLYBACK 8SOIC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX5015ESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 13V ~ 36V 275kHz 50% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
LM5027SQX-1/NOPB

LM5027SQX-1/NOPB

IC REG CTRLR FWRD CONV 24WQFN

Texas Instruments

0 -
RFQ
LM5027SQX-1/NOPB

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 3 1 13V ~ 90V 200kHz, 490kHz 90% Yes No - Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 24-WQFN (4x5)
UC3825QTRG3

UC3825QTRG3

IC REG CTRLR MULT TOP 20PLCC

Texas Instruments

0 -
RFQ

-

- 20-LCC (J-Lead) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8.4V ~ 30V 340kHz ~ 460kHz 85% No No - Current Limit, Enable, Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-PLCC (9x9)
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