ISL6540AIRZ
IC REG CTRLR BUCK 28QFNManufacturer: Renesas Electronics Corporation
Categories: DC DC Switching Controllers
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Renesas Electronics Corporation's ISL6540AIRZ is a highly efficient, versatile buck (step-down) DC-DC controller IC. This component is designed for positive output voltage regulation, featuring a robust current limit, enable functionality, adjustable frequency control from 250kHz to 2MHz, and integrated soft-start for controlled power-up sequences. The Power Good signal provides critical status monitoring. Operating within a wide supply voltage range of 2.97V to 22V and an ambient temperature range of -40°C to 85°C, the ISL6540AIRZ is suitable for demanding applications. Its 28-QFN (5x5) exposed pad package facilitates efficient surface mounting. The device supports a maximum duty cycle of 100% and incorporates synchronous rectification for enhanced efficiency. This controller is commonly utilized in power supply designs for computing, industrial, and communication systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 18 week(s)Product Status: ActivePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 28-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 | 250kHz ~ 2MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 2.97V ~ 22V |
| Supplier Device Package | 28-QFN (5x5) |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 100% |
| Clock Sync | No |
| Number of Outputs | 1 |
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