E-L5991AD
IC REG CTRLR FLYBACK 16SOICManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
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The STMicroelectronics L5991AD is a high-performance flyback controller designed for versatile power conversion applications. This 16-SOIC package device offers a positive, isolation-capable output and supports both step-up and step-down configurations. Featuring advanced control capabilities including current limiting, frequency control, and soft-start, the L5991AD facilitates optimized power stage management. It operates with a wide input voltage range of 7.6V to 20V and supports switching frequencies up to 1MHz, with a maximum duty cycle of 93%. The integrated synchronous rectifier further enhances efficiency. This component is well-suited for use in various industrial and consumer electronics sectors requiring robust and efficient DC-DC power conversion.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 16-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Up/Step-Down |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 1MHz |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 20V |
| Supplier Device Package | 16-SO |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Frequency Control, Soft Start |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 93% |
| Clock Sync | No |
| Number of Outputs | 1 |
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