
4.0 Typical Applications (Continued)
DS100136-17
FIGURE 9. Remote HVAC temperature sensor communicates via 3 wires, including thermostat signals.
DS100136-19
FIGURE 10. ACPI Compatible Terminal Alarm Shutdown. By powering the LM77 from auxilary output of the power
supply, a non-functioning overheated computer can be powered down to preserve as much of the system as
possible.
LM77
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