TDE1798DP Datasheet

Switch ICs - Various


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 driver 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. Higher current can be obtained by paralleling the outputs of several devices. In this case, the devices can be reactivated simultaneously after an overload if their reset input are connected in parallel. The device operates over a wide range of supply voltages from standard ±15 operational amplifier supplies to the single ±6V or +35V used for industrial electronic systems. Input voltage can be higher than the VCC. The output is low in open ground conditions. TDE1798DP Features • HIGH OUTPUT CURRENT 500mA• SHORT-CIRCUIT PROTECTION UP TO VCC = +35V• INTERNAL THERMAL PROTECTION WITH EXTERNAL RESET AND SYNCRONIZATION CAPABILITY• OPEN GROUND PROTECTION• OUTPUT VOLTAGE CAN BE LOWER THAN GROUND FOR FAST INDUCTIVE LOAD DEMAGNETIZATION• DIFFERENTIAL INPUTS FOR ANY LOGIC SYSTEM COMPATIBILITY• INPUT VOLTAGE CAN BE HIGHER THAN VCC• LARGE SUPPLY VOLTAGE RANGE FROM 6V TO 35V• SINK AND SOURCE ALARM OUTPUTS• NO NEED FOR EXTERNAL CLAMPING DIODE FOR DEMAGNETIZATION ENERGY UP TO 150mJ• SEVERAL DEVICES CAN BE CONNECTED IN PARALLEL


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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