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MCP65R46T Fiches technique(PDF) 26 Page - Microchip Technology

No de pièce MCP65R46T
Description  3 μA Comparator with Integrated Reference Voltage
PDF  36 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP65R46T Fiches technique(HTML) 26 Page - Microchip Technology

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MCP65R41/6
DS20002269C-page 26
 2010-2020 Microchip Technology Inc.
4.7.3
OVERTEMPERATURE
PROTECTION CIRCUIT
The MCP65R41 device can be used as an
overtemperature protection circuit using a thermistor.
The 2.4V VREF can be used as stable reference to the
thermistor, the alert threshold and hysteresis threshold.
This is ideal for battery powered applications, where
the change in temperature and output toggle
thresholds would remain fixed as battery voltage
decays over time.
FIGURE 4-12:
Overtemperature Alert
Circuit.
VOUT
VDD
R2
RF
R3
VREF
VPU
RPU*
* Pull-up resistor required for the MCP65R46 only.
R4
Thermistor
VREF
VREF



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