Product Summary

The TDE1798DP is an interface circuit delivering high currents and capable of driving any type of loads. The output is protected from short-circuits with the positive supply or ground. In addition thermal shut down is provided to keep the IC from overheating. If internal dissipation becomes too high, the TDE1798DP will shut down to prevent excessive heating. The output stays null after the overload is off, if the reset input is low. If high, the output will alternatively switch on and off until the overload is removed.

Parametrics

TDE1798DP absolute maximum ratings: (1)Supply Voltage: 50 V; (2)Input Differential Voltage: 50 V; (3)Input Voltage: -30 to +50 V; (4)Reset Input Voltage: VCC -50 to VCC V; (5)Output Current: internally limited A; (6)Power Dissipation: Internally Limited mW; (7)Reset Input Sink Current (in thermal shut-down): 15 mA; (8)Repetitive Maximum Demagnetization Energy - 106 Operations: 150 mJ; (9)Operating Ambient Temperature Range: -25 to -85 °C; (10)Storage Temperature Range: -65 to +150 °C; (11)Alarm Output Sink Current: 25 mA; (12)Alarm Output Source Current: 12 mA.

Features

TDE1798DP features: (1)High output current 500mA; (2)Short-circuit protection up to Vcc = +35V; (3)Internal thermal protection with external reset and syncronization capability; (4)Open ground protection; (5)Output voltage can be lower than; (6)Ground for fast inductive load de-magnetization; (7)Differential inputs for any logic system compatibility; (8)Input voltagecan be higher than VCC; (9)Large supply voltage range from 6V TO 35V; (10)Sink and source alarm outputs; (11)No need for external clamping diode for demagnetization energy up to 150mJ; (12)Several devices can be connected in parallel.

Diagrams

TDE1798DP pin connection

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