Extending the input voltage range of powerpath circuits for automotive and industrial applications
Greg Manlove
Introduction
The voltage range of Linear Technology’s PowerPath® circuits can be easily extended with just a few components, thus allowing them to meet the needs of virtually all applications. This application note presents solutions for circuits that must withstand large negative voltages, a reverse adapter input for example, and circuits that must withstand large positive inputs, such as automotive load-dump.
Extending the voltage range
Any of Linear’s PowerPath controller circuits can benefit from an extended voltage range, even those that already have wide operating and absolute maximum voltage ranges. For instance, the LTC4412HV ...
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