The LM provides Universal Serial Bus standard power .. Reproduction of TI information in TI data books or data sheets is permissible only if reproduction. LM LM – Single Port Usb Power Switch And Over-current Protection, Package: Soic Narrow, Pin Details, datasheet, quote on part number: LM . LMMX-H LM – Single Port Usb Power Switch And Over-current Protection, Package: Soic Details, datasheet, quote on part number: LMMX-H.

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A 1 ms delay on fault flag output prevents erroneous over.

National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship. Thermal shutdown will protect the device from permanent damage. ESD Rating Note 3. C, and limits in boldface type apply over the full operating temperature range. For a few tens of? Indicates overcurrent, UVLO and thermal. The fault flag is active pulled low when any of the following. IN Input is the power supply connection to the control.


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In USB applications, it is required that output bulk capaci. Japan Customer Support Center. Handheld PC applications that supply power to one port. In order to meet the USB requirements for voltage drop. Over Current Threshold vs Temperature. For the most current product information visit us at www. If vias are used, use. The Enable input accepts both 3.

In choosing the capacitors, special attention must be paid to. Short Circuit Output Current. The small size, low R ONand 1 ms fault flag delay make the. To eliminate the upstream voltage droop caused by the high. Keep all V bus traces as short as possible and use at. LM is internally protected against excessive power dis.

A Max Operating Current.

Active Low Enable, 95 units lm35225 rail. The LM accepts an input voltage between 2. OUT towards the load. Adequate capacitance must be connected to the input of the.

In selecting a ferrite bead, the DC resistance of the wire used. Place the switch as close to the USB connector as pos. Typical Operating Circuit and Connection Diagram. In the event of a shorted output or datzsheet loads that. If ferrite beads are used, use wires with minimum resis.


UVLO functions only when.

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The single port device is ideal for Notebook PC and. The fault flag is an open-drain output capable of sinking. The PCB layout rules and guidelines. C, the thermal shutdown circuit of the LM will be. Life support devices or systems are devices or systems. This bulk capacitance provides the short.

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves. High transient current is also generated when switch is. This built-in temperature hysteresis prevents undesirable.

Distributors for availability and specifications. Active High Enable, units per reel.