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
ISL6439AIB

ISL6439AIB

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6439AIB

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
ISL6439AIBZ

ISL6439AIBZ

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6439AIBZ

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
ISL6439AIR

ISL6439AIR

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

0 -
RFQ
ISL6439AIR

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
ISL6439AIRZ

ISL6439AIRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

0 -
RFQ
ISL6439AIRZ

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
ISL6439CBZ

ISL6439CBZ

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6439CBZ

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
ISL6439IB

ISL6439IB

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6439IB

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
ISL6439IBZ

ISL6439IBZ

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6439IBZ

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
ISL6439IR

ISL6439IR

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

0 -
RFQ
ISL6439IR

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
ISL6439IRZ

ISL6439IRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

0 -
RFQ
ISL6439IRZ

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
ISL6440IA

ISL6440IA

IC REG CTRLR BUCK 24QSOP

Renesas Electronics Corporation

0 -
RFQ
ISL6440IA

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 5.6V ~ 24V 300kHz 93% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
ISL6445IAZ

ISL6445IAZ

IC REG CTRLR BUCK 24QSOP

Renesas Electronics Corporation

0 -
RFQ

-

- 24-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 5.6V ~ 24V 1.4MHz 73% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
ISL6520ACB

ISL6520ACB

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520ACB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ISL6520ACBZA

ISL6520ACBZA

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520ACBZA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ISL6520ACBZA-T

ISL6520ACBZA-T

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520ACBZA-T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ISL6520AIB

ISL6520AIB

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520AIB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
ISL6520AIBZ

ISL6520AIBZ

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520AIBZ

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
ISL6520AIBZ-T

ISL6520AIBZ-T

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520AIBZ-T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
ISL6520AIR

ISL6520AIR

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

0 -
RFQ
ISL6520AIR

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (4x4)
ISL6520BCB

ISL6520BCB

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520BCB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Enable, Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ISL6520CB

ISL6520CB

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL6520CB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
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