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
AZ7500BP-E1

AZ7500BP-E1

IC REG CTRLR BUCK 16DIP

Diodes Incorporated

0 -
RFQ
AZ7500BP-E1

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 7V ~ 36V 1kHz ~ 200kHz 45% No No - Enable -40°C ~ 85°C (TA) - - Through Hole 16-DIP
AZ7500EP-E1

AZ7500EP-E1

IC REG CTRLR BUCK 16DIP

Diodes Incorporated

0 -
RFQ

-

- 16-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 7V ~ 36V 1kHz ~ 200kHz 45% No No - Enable -40°C ~ 85°C (TA) - - Through Hole 16-DIP
RT8228AZQW

RT8228AZQW

IC REG CTRLR BUCK 12WQFN

Richtek USA Inc.

0 -
RFQ
RT8228AZQW

Datasheet

- 12-WFQFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V - - Yes No - Current Limit, Enable, On Time Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 12-WQFN (2x2)
UC3843ADR2G

UC3843ADR2G

IC REG CTRLR BUCK 14SOIC

onsemi

0 -
RFQ
UC3843ADR2G

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 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
RT9214GS

RT9214GS

IC REG CTRLR BUCK 8SOP

Richtek USA Inc.

0 -
RFQ
RT9214GS

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 5V, 12V 300kHz 100% Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOP
RT8228BGQW

RT8228BGQW

IC REG CTRLR BUCK 12WQFN

Richtek USA Inc.

0 -
RFQ

-

- 12-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V - - Yes No - Current Limit, Enable, On Time Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 12-WQFN (2x2)
TL3843BDRG4

TL3843BDRG4

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

0 -
RFQ
TL3843BDRG4

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
UC2842BD

UC2842BD

IC REG CTRLR PWM CM 14-SOIC

onsemi

0 -
RFQ
UC2842BD

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube 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 -25°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC2843ADR2G

UC2843ADR2G

IC REG CTRLR BUCK 14SOIC

onsemi

0 -
RFQ
UC2843ADR2G

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 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC3844BN

UC3844BN

IC REG CTRLR PWM CM 8-DIP

onsemi

0 -
RFQ
UC3844BN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 36V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
IW663-02-SO8

IW663-02-SO8

AC/DC SECONDARY-SIDE SYNCHRONOUS

Renesas Electronics Corporation

0 -
RFQ

-

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
UC3845N

UC3845N

IC REG CTRLR BOOST/FLYBACK 8DIP

onsemi

0 -
RFQ
UC3845N

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
UC3844N

UC3844N

IC REG CTRLR PWM CM 8-DIP

onsemi

0 -
RFQ
UC3844N

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
AP3585AMPTR-G1

AP3585AMPTR-G1

IC REG CTRLR BUCK 8SO

Diodes Incorporated

0 -
RFQ
AP3585AMPTR-G1

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 300kHz 82% Yes Yes - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SO-EP
AP3585CMPTR-G1

AP3585CMPTR-G1

IC REG CTRLR BUCK 8SO

Diodes Incorporated

0 -
RFQ
AP3585CMPTR-G1

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 200kHz 82% Yes Yes - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SO-EP
RT9612BGS

RT9612BGS

IC REG CTRLR BUCK 8SOP

Richtek USA Inc.

0 -
RFQ
RT9612BGS

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.5V 500kHz - Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOP
UC3843AN

UC3843AN

IC REG CTRLR BUCK 8DIP

onsemi

0 -
RFQ
UC3843AN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 8.4V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
RT8237AZQW

RT8237AZQW

IC REG CTRLR BUCK 10WDFN

Richtek USA Inc.

0 -
RFQ
RT8237AZQW

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 290kHz ~ 430kHz - Yes No - Current Limit, Enable, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 10-WDFN (3x3)
RT8237CZQW

RT8237CZQW

IC REG CTRLR BUCK 10WDFN

Richtek USA Inc.

0 -
RFQ
RT8237CZQW

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 290kHz ~ 430kHz - Yes No - Current Limit, Enable, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 10-WDFN (3x3)
UC2845N

UC2845N

IC REG CTRLR BOOST/FLYBACK 8DIP

onsemi

0 -
RFQ
UC2845N

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -25°C ~ 85°C (TA) - - Through Hole 8-PDIP
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