STA540SAN

General structure

Doc ID 18306 Rev 1

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8.7.2

Thermal shutdown

With the thermal shutdown feature, the output (pin 10) signals the proximity of the junction

temperature to the shutdown threshold. Typically, current sinking at pin 10 starts at

approximately 10 °C before the shutdown threshold is reached.

Figure 30.

Output fault waveforms

Figure 31.

Fault waveforms

10

10

SOFT SHORT

OUT TO Vs SHORT

FAULT DETECTION

CORRECT TURN-ON

OUT TO GND SHORT

t

t

t

ST_BY PIN

VOLTAGE

2V

OUTPUT

WAVEFORM

Vpin 10

CHECK AT TURN-ON

(TEST PHASE)

SHORT TO GND

OR TO Vs

D05AU1603