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L6370D013TR 数据表(PDF) 10 Page - STMicroelectronics |
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L6370D013TR 数据表(HTML) 10 Page - STMicroelectronics |
10 / 19 page Circuit description L6370 10/19 3.1 Diagnostic truth table 3.2 Input section The input section is an high impedance differential stage with high common and differential mode range. There’s built-in offset of +1.4V (typical value) and an hysteresis of 400mV (maximum value), to ensure high noise immunity. 3.3 Diagnostic logic The operating conditions of the device are permanently monitored and the following occurences are signalled via the DIAG1/DIAG2 open-drain output pins: – Short Circuit versus ground. A current limiting circuit fixes at Isc = 3.2A (typical value) the maximum current that can be sourced from the OUTPUT pin (for more details see short circuit operation section). – Short Circuit versus Vs. – Under Voltage(UV) – Over Temperature (OVT) – Open Load, if the output current is less than 3mA (typical value). – Output DMOS Open according to the diagnostic Truth Table 7 Table 7. Diagnostic truth table Diagnostic conditions Input Output Diag1 Diag2 Normal Operation L H L H H H H H Open Load Condition (Io< Iold) L H L H H L H H Short to VS L H H H L L H H Short Circuit to Ground (IO = ISC) (1) (pin ON-DELAY grounded) 1. A cold lamp filament, or a capacitive load may activate the current limiting circuit of the IPS, when the IPS is initially turned on. H L X L H H H H Output DMOS Open L H L L H L H H Overtemperature L H L L H H L L Supply Undervoltage (VS< Vsth2) L H L L L L L L |
类似零件编号 - L6370D013TR |
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类似说明 - L6370D013TR |
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