Product Summary
The LM3526MX-H provides Universal Serial Bus standard power switch and over-current protection for all host port applications.The dual port device is ideal for Notebook and desktop PCs that supply power to more than one port. The LM3526MX-H accepts an input voltage between 2.7V and 5.5V allowing use as a device-based in-rush current limiter for 3.3V USB peripherals, as well as Root and Self-Powered Hubs at 5.5V.
Parametrics
Absolute maximum ratings:(1)Supply Voltage: 0.3V to 6V; (2)Output Voltage: 0.3V to 6V; (3)Voltage at All Other Pins: 0.3V to 5.5V; (4)Power Dissipation (TA = 25°C)(Note 2): 700 mW; (5)TJMAX (Note 2): 160°C; (6)Supply Voltage Range: 2.7V to 5.5V; (7)Operating Ambient Range: 40°C to 85°C; (8)Operating Junction Temperature Range: 40°C to 125°C; (9)Storage Temperature Range: 65°C to +150°C.
Features
Features:(1)1 ms fault flag delay filters Hot-Plug events; (2)Smooth turn-oeliminates in-rush induced voltage drop; (3)UL recognized component: REF# 205202; (4)1A nominal short circuit output current protects PC power supplies; (5)Thermal shutdowprotects device idirect short condition; (6)500mA minimum continuous load current; (7)Small SO-8 package minimizes board space; (8)2.7V to 5.5V input voltage range; (9)140 mW Max. switch resistance; (10)1 μA Max. standby current; (11)200 μA Max. operating current; (12)Under-voltage lockout (UVLO).
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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LM3526MX-H/NOPB |
National Semiconductor (TI) |
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