sta540san STMicroelectronics, sta540san Datasheet - Page 21

• Manufacturer Part Number: sta540san
• Description: 4 X 10-watt Dual/quad Power Amplifier
• Manufacturer: STMicroelectronics

STA540SAN
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
WAVEFORM
ST_BY PIN
VOLTAGE
OUTPUT
Vpin 10
2V
CHECK AT TURN-ON
(TEST PHASE)
Doc ID 18306 Rev 1
CORRECT TURN-ON
OUT TO GND SHORT
10
FAULT DETECTION
OUT TO Vs SHORT
SOFT SHORT
D05AU1603
10
SHORT TO GND
OR TO Vs
General structure
t
t
t
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