LM3543MX-L
IC SUPERVISOR PWR SUP SUPPORTManufacturer: National Semiconductor
Categories: Power Distribution Switches, Load Drivers
Quality Control: Learn More
The National Semiconductor LM3543MX-L is a 2:3 N-Channel power switch/driver designed for efficient power distribution. This device features a maximum output current of 500mA and incorporates robust fault protection mechanisms including fixed current limiting, over-temperature shutdown, and undervoltage lockout (UVLO). The LM3543MX-L includes a status flag for output monitoring. It operates with a load voltage range of 2.7V to 5.5V and offers a low on-resistance of 90mOhm typical. The component is housed in a 16-SOIC package suitable for surface mounting. This device is utilized in applications requiring controlled power delivery and fault management, such as USB power switching and general power supply support.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Features | Status Flag |
| Packaging | Bulk |
| Package / Case | 16-SOIC (0.154"", 3.90mm Width) |
| Output Type | N-Channel |
| Mounting Type | Surface Mount |
| Number of Outputs | 3 |
| Interface | ON/OFF |
| Switch Type | USB Switch |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | High Side |
| Rds On (Typ) | 90mOhm |
| Input Type | Non-Inverting |
| Voltage - Load | 2.7V ~ 5.5V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 500mA |
| Ratio - Input:Output | 2:3 |
| Supplier Device Package | 16-SOIC |
| Fault Protection | Current Limiting (Fixed), Over Temperature, UVLO |
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