L5989D
IC REG BUCK ADJ 4A 16HTSSOPManufacturer: STMicroelectronics
Categories: DC DC Switching Regulators
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The STMicroelectronics L5989D is a high-efficiency monolithic synchronous step-down regulator designed for a wide range of applications. This device integrates a 90mO high-side MOSFET and a 75mO low-side MOSFET, allowing for high efficiency down to 20% load. It features a wide input voltage range from 2.9V to 18V and provides an adjustable output voltage from 0.6V to VIN. The L5989D supports output currents up to 4A and offers a switching frequency adjustable from 100kHz to 1MHz, enabling optimization for efficiency and component size. Its internal compensation simplifies application design, and the voltage mode control architecture ensures excellent transient response. The L5989D is ideal for use in automotive, industrial, and consumer electronics where reliable power conversion is critical. It is available in a 16-PowerTSSOP package for surface mounting.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ActivePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 16-PowerTSSOP (0.173"", 4.40mm Width) |
| Output Type | Adjustable |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Function | Step-Down |
| Current - Output | 4A |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 100kHz ~ 1MHz |
| Voltage - Input (Max) | 18V |
| Topology | Buck |
| Supplier Device Package | 16-HTSSOP |
| Synchronous Rectifier | Yes |
| Voltage - Output (Max) | 18V |
| Voltage - Input (Min) | 2.9V |
| Voltage - Output (Min/Fixed) | 0.6V |
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