ISL9444IRZ
IC REG CTRLR BUCK 40QFNManufacturer: Renesas Electronics Corporation
Categories: DC DC Switching Controllers
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The Renesas Electronics Corporation ISL9444IRZ is a versatile DC-DC switching controller designed for step-down (buck) applications. This surface-mount component, packaged in a 40-QFN (5x5) tray, offers a high switching frequency range from 200kHz to 1.2MHz, enabling efficient power conversion. It features multiple control functions including Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, and Tracking. The ISL9444IRZ supports a wide input voltage range of 4.5V to 28V and provides a positive output configuration with two output phases. Its synchronous rectifier capability and transistor driver output type enhance overall system efficiency. This device is well-suited for demanding applications in computing, industrial, and automotive sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TrayDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tray |
| Package / Case | 40-VFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 200kHz ~ 1.2MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 28V |
| Supplier Device Package | 40-QFN (5x5) |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | - |
| Clock Sync | Yes |
| Number of Outputs | 3 |
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