L5981
IC REG BUCK ADJ 1A 8VFQFPNManufacturer: STMicroelectronics
Categories: DC DC Switching Regulators
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The STMicroelectronics L5981 is a high-efficiency monolithic step-down switching regulator IC. This adjustable output device provides a precisely regulated output voltage from 0.6V up to 18V, with a maximum output current of 1A. Featuring a 250kHz to 1MHz adjustable switching frequency, the L5981 utilizes a buck topology and is designed for surface mount applications within an 8-VFQFPN (3x3) package. Its wide input voltage range of 2.9V to 18V and operating temperature range of -40°C to 150°C make it suitable for demanding applications in automotive, industrial, and consumer electronics sectors. The device incorporates a non-synchronous rectification scheme and offers an exposed pad for enhanced thermal performance.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: DiscontinuedPackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 8-VFDFN Exposed Pad |
| Output Type | Adjustable |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Function | Step-Down |
| Current - Output | 1A |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 250kHz ~ 1MHz |
| Voltage - Input (Max) | 18V |
| Topology | Buck |
| Supplier Device Package | 8-VFQFPN (3x3) |
| Synchronous Rectifier | No |
| Voltage - Output (Max) | 18V |
| Voltage - Input (Min) | 2.9V |
| Voltage - Output (Min/Fixed) | 0.6V |
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