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UB2421G-AG6-R датащи(PDF) 7 Page - Unisonic Technologies |
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UB2421G-AG6-R датащи(HTML) 7 Page - Unisonic Technologies |
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7 / 11 page ![]() UB2421 Preliminary CMOS IC www.unisonic.com.tw 7 of 11 Copyright © 2012 Unisonic Technologies Co., Ltd QW-R502-321.e DESCRIPTION OF OPERATION(Cont.) 9. Release of Over Current (or Short Circuit ) Condition While the protection IC remains in the Over current (or Short circuit ) condition, then if the load is removed or the impedance between VBAT+ and VBAT- is larger than 500kΩ as well as VCSI<VOI1, M1 will be turned on and the back to normal condition. 10. DS Pin By forcing DS to VDD, the delay time of the overcharge and overdischarge can be reduced to within 50ms; therefore, testing time of protector circuit board can be reduced. 1.6MΩ pull down resistor is connected between DS pin and VSS internally. DS pin should be open or connected to VSS in the actual application. |
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