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VN808SR Datasheet(PDF) 1 Page - STMicroelectronics |
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VN808SR Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 17 page  July 2008 Rev 4 1/17 17 VN808SR Octal channel high side driver Features ■ VCC/2 compatible input ■ Junction over-temperature protection ■ Case over-temperature protection for thermal independence of the channels ■ Current limitation ■ Shorted load protection ■ Undervoltage shut-down ■ Protection against loss of ground ■ Very low stand-by current ■ Compliance to 61000-4-4 IEC test up to 4 kV Description The VN808SR is a monolithic device designed in STMicroelectronics VIPower M0-3 technology, intended for driving any kind of load with one side connected to ground. Active current limitation combined with thermal shutdown and automatic restart, protect the device against overload. In overload condition, the channel turns OFF and back ON automatically so as to maintain the junction temperature between TTSD and TR. If this condition makes the case temperature reach TCSD, the overloaded channel is turned OFF and restarts only when the case temperature has decreased to TCR (see waveform 3 Figure 7 on page 10). Non overloaded channels continue to operate normally. The device automatically turns OFF in the case of a ground pin disconnection. This device is especially suitable for industrial applications and conforms to IEC 61131. Type RDS(on) Iout VCC VN808SR 150 m Ω 0.7 A 45 V PowerSO-36 www.st.com Figure 1. Block diagram |
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