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ULN2003 - High voltage/High Current Peripheral Driver IC

2015-02-28 15:48  
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ULN2003 - High voltage/High Current Peripheral Driver IC
The next diagram shows an inexpensive method of building multiple medium current relays. The circuit uses a ULN2003 - High voltage/High Current Peripheral Driver IC. This device can handle loads of 500 milliamps. The IC is designed to have TTL and CMOS inputs of between 5 and 15 volts can be controlled by any clean input voltage.