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ISL9016IRUGGZ-T Datasheet(PDF) 10 Page - Intersil Corporation |
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ISL9016IRUGGZ-T Datasheet(HTML) 10 Page - Intersil Corporation |
10 / 11 page 10 FN6832.0 January 22, 2009 With output voltage externally held up higher than the input voltage: 1. Input is pulled to ground; 2. input is left open circuit; and 3. input is pulled to some intermediate voltage ISL9016 provides the reverse current protection to limit the current flow from output to input under these situations. When input is pulled to ground and output is held to 5.5V, the typical reverse current from output to input side is less than 8µA. Input and Output Capacitors The ISL9016 provides a linear regulator that has low quiescent current, fast transient response, and overall stability across the recommended operating conditions. A ceramic capacitor (X5R or X7R) with a capacitance of 1µF to 4.7µF with an ESR up to 200m Ω is suitable for ISL9016 to maintain its output stability. The ground connection of the output capacitor should be connected directly to the GND pin of the device, and also placed close to the device. Similarly for the input capacitor, usually a 1µF ceramic capacitor (X5R or X7R) is suitable for most cases, but if large, fast rising-time load transient condition is expected, a higher value input capacitor may be necessary to achieve better performance. Board Layout Recommendations A good PCB layout will be an important step to achieve good performance. It is recommended to design the board with separate ground planes for input and output, and connect both ground planes at the GND pin of the device. Consideration should be taken when placing the components and route the trace to minimize the ground impedance, as well as keep the parasitic inductance low. Usually the input/output capacitors should be placed close to the device with good ground connection. ISL9016 |
Similar Part No. - ISL9016IRUGGZ-T |
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Similar Description - ISL9016IRUGGZ-T |
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