Intelligent power switch
TDE1707
Datasheet
Intelligent power switch
Product status link TDE1707
Product label
Features
• 0.5 A output current •...
Description
TDE1707
Datasheet
Intelligent power switch
Product status link TDE1707
Product label
Features
0.5 A output current Low-side or high-side switch configuration Supply voltage range from 6 V to 48 V Overload and short-circuit protections Internal voltage clamping Supply and output reversal protection Thermal shutdown GND and VS open wire protection Adjustable delay at switch-on Indicator status LED driver +5 V regulated AUX voltage High burst immunity
Application
Industrial PC peripheral input/output Numerical control machines
Description
The TDE1707BFP and TDE1707CFP are 0.5 A integrated power switches with up to 48 V power supply capability. Two output configurations are possible. The former is the load to GND (high-side mode) and the latter is the load to VS (low-side mode). This device is dedicated to proximity detectors; its internal +5 V supply can be used to supply external circuits (please refer to AN495 and AN1213 on www.st.com). A signal is internally generated to block the IN signal, and prevent the output switch, as long as an abnormal condition is detected. The power-on transition, as well as the chip overtemperature and the output overcurrent, generate this signal. A minimum delay of 25 μs (typ. value) is added to the trailing edge of this signal to ensure that a stable normal situation is present when the signal disappears. The delay (the disappearance of block signal) can be further increased by connecting a capacitor between pin 3 a...
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