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DC DC Switching Controllers

Browse available DC DC Switching Controllers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

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Datasheets & Specifications Access technical references quickly
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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
ISL6420IRZ-TK Renesas Electronics Corporation

ISL6420IRZ-TK

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

1,359 -
Datasheet - 20-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 5.6V ~ 16V 100kHz ~ 1.4MHz 96% Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-QFN (4x4)
ISL6439AIB Renesas Electronics Corporation

ISL6439AIB

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

3,361 -
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 Renesas Electronics Corporation

ISL6439AIBZ

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

3,729 -
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 Renesas Electronics Corporation

ISL6439AIR

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

3,565 -
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 Renesas Electronics Corporation

ISL6439AIRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

1,638 -
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 Renesas Electronics Corporation

ISL6439CBZ

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

4,494 -
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 Renesas Electronics Corporation

ISL6439IB

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

4,557 -
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 Renesas Electronics Corporation

ISL6439IBZ

IC REG CTRLR BUCK 14SOIC

Renesas Electronics Corporation

4,303 -
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 Renesas Electronics Corporation

ISL6439IR

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

2,845 -
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 Renesas Electronics Corporation

ISL6439IRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

4,317 -
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 Renesas Electronics Corporation

ISL6440IA

IC REG CTRLR BUCK 24QSOP

Renesas Electronics Corporation

4,049 -
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 Renesas Electronics Corporation

ISL6445IAZ

IC REG CTRLR BUCK 24QSOP

Renesas Electronics Corporation

2,296 -
Datasheet - 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 Renesas Electronics Corporation

ISL6520ACB

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

2,335 -
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 Renesas Electronics Corporation

ISL6520ACBZA

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

3,786 -
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 Renesas Electronics Corporation

ISL6520ACBZA-T

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

2,928 -
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 Renesas Electronics Corporation

ISL6520AIB

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

2,279 -
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 Renesas Electronics Corporation

ISL6520AIBZ

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

1,615 -
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 Renesas Electronics Corporation

ISL6520AIBZ-T

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

4,236 -
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 Renesas Electronics Corporation

ISL6520AIR

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

3,335 -
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 Renesas Electronics Corporation

ISL6520BCB

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

2,970 -
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
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WINSUN SOURCING SUPPORT

Need DC DC Switching Controllers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

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FREQUENTLY ASKED QUESTIONS

DC DC Switching Controllers FAQ

Common questions about selecting, comparing and sourcing DC DC Switching Controllers components through Winsun (HK) Electronics.

What should I check when selecting DC DC Switching Controllers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific DC DC Switching Controllers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find DC DC Switching Controllers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for DC DC Switching Controllers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.