LM3543MX-H National Semiconductor, LM3543MX-H Datasheet
LM3543MX-H
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LM3543MX-H Summary of contents
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... Functional Diagram © 2010 National Semiconductor Corporation 101258 Version 5 Revision 6 LM3543 Features ■ Compatible with USB1.1 and USB 2.0 ■ ...
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... Ordering Information Part Number LM3543M-H Active High Enable LM3543M-L Active Low Enable LM3543MX-H Active High Enable, 2500 units per reel LM3543MX-L Active Low Enable, 2500 units per reel Typical Application Circuit FIGURE 1. The LM3543 used in a Self-Powered or Root USB Hub www.national.com ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Voltage at IN and OUT pins X X Voltage at EN (EN ) and FLAG pins Power Dissipation (Note 2) Maximum Junction Temperature Storage Temperature Range ...
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AC Electrical Characteristics Limits are for T = 25°C and V = 5.0V Symbol Parameter t OUT Rise Time (Note OUT Fall Time (Note Turn-on Delay (Note Turn-off Delay ...
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Typical Performance Characteristics R vs Input Voltage ON Quiescent Current, Output(s) Enabled vs Junction Temperature Quiescent Current, Output(s) Enabled vs Input Voltage 101258 Version 5 Revision 5. 500mA OUT_X R vs Junction Temperature ...
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Short-Circuit Output Current vs Junction Temperature Under-Voltage Lockout (UVLO) Threshold vs Junction Temperature Turn-Off Delay vs Input Voltage ( µ OUT www.national.com (Note 10) 10125813 10125815 = 33 µF) 10125812 6 101258 Version 5 Revision 6 ...
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Turn-On/Turn-Off Response with 47Ω/33µF Load (Note Enable Into a Short Over-Current Response with Ramped Load on OUT1 and Fixed Load on OUT2 Note 10: Output is shorted to Ground through a 100 mΩ resistor. Note 11: Load is two capacitors ...
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Functional Descriptions POWER SWITCHES The power switches that comprise the three ports of the LM3543 are N-Channel MOSFETs. They have a typical on- state drain-to-source resistance of 90 mΩ when the input voltage When enabled, each switch ...
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FIGURE 3. Thermal Shutdown Characteristics when only the First-Stage Thermal-Shutdown Mode is Needed FIGURE 4. Thermal Shutdown Characteristics when Both First-Stage and Second-Stage Thermal-Shutdown Modes are Needed In Figure 3, port 1 is enabled into a short. When this occurs, ...
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POWER SUPPLY FILTERING A sizable capacitor should be connected to the input of the LM3543 to ensure the voltage drop on this node is less than 330 mV during a heavy-load hot-plug event µF, 16V tantalum capacitor is ...
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Typical Applications ROOT AND SELF-POWERED USB HUBS The LM3543 has been designed primarily for use in root and self-powered USB hubs. In this application, the switches of the LM3543 are used to connect the power source of the hub to ...
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... Physical Dimensions Order Number LM3543M-H, LM3543M-L, LM3543MX-H or LM3543MX-L www.national.com inches (millimeters) unless otherwise noted NS Package Number M16A 12 101258 Version 5 Revision 6 Print Date/Time: 2010/02/04 15:48:33 ...
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Notes 13 101258 Version 5 Revision 6 Print Date/Time: 2010/02/04 15:48:33 www.national.com ...
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