STA540SA

General structure

Doc ID 16066 Rev 2

21/30

8.7.2

Thermal shutdown

With the thermal shutdown feature, the output (pin 12) signals the proximity of the junction

temperature to the shutdown threshold. Typically, current sinking at pin 12 starts at

approximately 10 °C before the shutdown threshold is reached.

Figure 31.

Output fault waveforms

Figure 32.

Fault waveforms

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 12

CHECK AT TURN-ON

(TEST PHASE)

SHORT TO GND

OR TO Vs

D05AU1603

Obsolete

Product(s)

- Obsolete

Product(s)