Thermostat I

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< Power Electronic ~ Thermostat I

eric

Posted: Sun Sep 10, 2006 9:29 am Post subject: Thermostat I

Site Admin Joined: 01 Jan 1970 Posts: 311

G. Kleine
The MAX6501–MAX6504 integrated circuits contain a thermostat
with fixed temperature thresholds. Available are thresholds
of –15 °C, +5 °C, +45 °C, +55 °C, +65 °C, +75 °C, +85 °C, and
+95 °C. The MAX6501 and MAX6502 are for use over the temperature
range +35 °C to +115 °C, while the MAX6503 and
MAX6504 can be programmed from –45 °C to +15 °C.
The tiny circuit, terminated in a 5-pin SOT-23-SMD case is ideally
suited for building into an existing appliance. The supply voltage
may be 2.7–5.5 V. The HYST input allows a hysteresis of 2 °C
(HYST=GND) or 10 °C (HYST=VCC) to be selected.
The difference between the four ICs is only in their output configuration.
The MAX6501 and MAX6503 have open-drain outputs
that need a pull-up resistor, whereas the MAX6502 and
MAX6504 have a push-pull output that can gate GND or VCC. At
high temperatures, the MAX6501 and MAX6504 gate to ground,
whereas the other two link

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