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SIM6800M датащи(PDF) 13 Page - Sanken electric |
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SIM6800M датащи(HTML) 13 Page - Sanken electric |
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13 / 52 page ![]() SIM6800M Series SIM6800M-DSE Rev.1.5 SANKEN ELECTRIC CO., LTD 13 Jul. 18, 2018 http://www.sanken-ele.co.jp/en © SANKEN ELECTRIC CO., LTD. 2014 6. Truth Table Table 6-1 is a truth table that provides the logic level definitions of operation modes. In the case where HINx and LINx signals in each phase are high at the same time, both the high- and low-side transistors become on (simultaneous on-state). Therefore, HINx and LINx signals, the input signals for the HINx and LINx pins, require dead time setting so that such a simultaneous on-state event can be avoided. After the IC recovers from a UVLO_VCC condition, the low-side transistors resume switching in accordance with the input logic levels of the LINx signals (level-triggered), whereas the high-side transistors resume switching at the next rising edge of an HINx signal (edge-triggered). After the IC recovers from a UVLO_VB condition, the high-side transistors resume switching at the next rising edge of an HINx signal (edge-triggered). Table 6-1. Truth Table for Operation Modes Mode HINx LINx High-side Transistor Low-side Transistor Normal Operation L L OFF OFF H L ON OFF L H OFF ON H H ON ON External Shutdown Signal Input FO = Low Level L L OFF OFF H L ON OFF L H OFF OFF H H ON OFF Undervoltage Lockout for High-side Power Supply (UVLO_VB) L L OFF OFF H L OFF OFF L H OFF ON H H OFF ON Undervoltage Lockout for Low-side Power Supply (UVLO_VCC) L L OFF OFF H L OFF OFF L H OFF OFF H H OFF OFF Overcurrent Protection (OCP) L L OFF OFF H L ON OFF L H OFF OFF H H ON OFF Overcurrent Limit (OCL) (OCL = SD) L L OFF OFF H L OFF OFF L H OFF ON H H OFF ON Thermal Shutdown (TSD) L L OFF OFF H L ON OFF L H OFF OFF H H ON OFF |
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