TDF1747 查看數據表（PDF） - STMicroelectronics

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TDF1747

INTERFACE CIRCUIT – RELAY AND LAMP – DRIVER

STMicroelectronics 

Figure 11: Output Current Extension (5A)

TDE1747 - TDF1747

Obsolete Product(s) - Obsolete Product(s) Figure 12: Driving Low Impedance Relays (IO = 300mA)

The device in the above application operates at: VCC = +45V, IO = 300mA with a heatsink such that Rth(j-a) ≤ 80°C/W. The device supports

an output voltage of VCC = VZ during the current cut off time, which is decreased by the zener diode. Thisvoltage must be ≤ to the maximum

supply voltage.

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