Low-Cost, 2.7V to 5.5V, Analog Temperature
Sensor Switches in a SOT23
Typical Operating Characteristics (continued)
(V CC = 5V, T A = +25°C, unless otherwise noted.)
STARTUP AND POWER-DOWN
STARTUP DELAY
(TEMP < T TH )
MAX6516 toc10
(TEMP > T TH )
MAX6516 toc11
200 μ s/div
V CC (5V/div)
TOVER (5V/div)
V OUT (5V/div)
200 μ s/div
V CC (5V/div)
TOVER (5V/div)
V OUT (5V/div)
Pin Description
MAX6516
PIN
MAX6517 MAX6518 MAX6519
NAME
FUNCTION
1
2
3
4
1
2
3
4
3
2
1
4
3
2
1
4
OUT
GND
HYST
V CC
Analog Output. Voltage represents the die’s temperature.
Ground
Hysteresis Input. Connect to V CC for 2 ° C of hysteresis or to GND for
10 ° C hysteresis.
Input Supply. Bypass to ground with a 0.1μF capacitor.
Push-Pull Active-High Output (Hot Threshold). TOVER goes high when
5
5
TOVER
the die temperature exceeds the factory-programmed hot temperature
threshold.
Open-Drain, Active-Low Output (Hot Threshold). TOVER goes low
5
5
TOVER
when the die temperature exceeds the factory-programmed hot
temperature threshold. Connect to a 100k Ω pullup resistor. May be
pulled up to a voltage higher than V CC .
Push-Pull Active-High Output (Cold Threshold). TUNDER goes high
5
5
TUNDER
when the die temperature falls below the factory-programmed cold
temperature threshold.
Open-Drain, Active-Low Output (Cold Threshold). TUNDER goes low
5
5
TUNDER
when the die temperature goes below the factory-programmed cold
temperature threshold. Connect to a 100k Ω pullup resistor. May be
pulled up to a voltage higher than V CC .
4
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