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RT9553A Datasheet(PDF) 5 Page - Richtek Technology Corporation |
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RT9553A Datasheet(HTML) 5 Page - Richtek Technology Corporation |
5 / 12 page RT9553A 5 DS9553A-00 September 2014 www.richtek.com © Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Note 1. Stresses beyond those listed “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may affect device reliability. Note 2. θJA is measured at TA = 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7. θJC is measured at the exposed pad of the package. Note 3. Devices are ESD sensitive. Handling precaution is recommended. Note 4. The device is not guaranteed to function outside its operating conditions. Parameter Symbol Test Conditions Min Typ Max Unit Input Current Sensing Accuracy OCacc VILIM = 0.4V to 2V -- -- 5 % PROCHOT Leakage Current Ileak_PROCHOT EN Low -- -- 5 A ILIM Leakage Current Ileak_ILIM EN Low -- -- 5 A ILIM Operation Range VILIM 0.4 -- 2 V Over-/Under-Voltage Protection OVP Accuracy OVPacc VOVSET = 0.55V to 3V -- -- 5 % OVP Recover Hysteresis Range VOVSET = 0.55V to 3V -- 8 -- % UVP Accuracy UVPacc VUVSET = 0.55V to 3V -- -- 5 % UVP Recover Hysteresis Range VUVSET = 0.55V to 3V -- 8 -- % Open Drain Output Ron Ron_RESET ISink = 10mA -- -- 10 RESET Leakage Current Ileak_RESET EN Low -- -- 5 A OVP/UVP De-glitch Time TTimer RTimer = 375k -- 15 -- s RTimer = 125k -- 5 -- |
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