ISL9444CRZ-T
IC REG CTRLR BUCK 32QFNManufacturer: Renesas Electronics Corporation
Categories: DC DC Switching Controllers
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Renesas Electronics Corporation's ISL9444CRZ-T is a highly efficient, 3-phase synchronous buck (step-down) DC-DC controller designed for demanding power management applications. This IC features a wide input voltage range from 4.5V to 28V, enabling operation in diverse system architectures. With a selectable switching frequency ranging from 200kHz to 1.2MHz, designers can optimize for efficiency or transient response. The ISL9444CRZ-T offers advanced control features including Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, and Tracking, facilitating robust power sequencing and monitoring. Its 40-QFN (5x5) package with an exposed pad ensures effective thermal dissipation for reliable performance. This controller is well-suited for applications in the computing, server, and industrial sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 40-VFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | 0°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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