ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)
Rev.3.3_00
S-809xxC Series
3. Other characteristics
3-1. Temperature Characteristic of Detection Voltage
The shaded area in Figure 17 shows the temperature characteristics of the detection voltage.
−VDET [V]
+0.945mV/°C
*1
−VDET25
−0.945 mV/°C
−40
25
85
Ta [°C]
*1. −VDET25 is an actual detection voltage value at 25 °C.
Figure 17 Temperature Characteristic of Detection Voltage (Example forS-80927C)
3-2. Temperature Characteristics of Release Voltage
Δ + VDET
The temperature coefficient
for the release voltage is calculated by the temperature
ΔTa
Δ − VDET
coefficient of the detection voltage
as follows:
ΔTa
Δ + VDET
ΔTa
+VDET Δ − VDET
=
×
− VDET
ΔTa
The temperature coefficients for the release voltage and the detection voltage have the same sign
consequently.
3-3. Temperature Characteristics of Hysteresis Voltage
Δ + VDET Δ − VDET
The temperature characteristics for the hysteresis voltage is expressed as
calculated as follows:
−
and is
ΔTa
ΔTa
Δ + VDET Δ − VDET
VHYS Δ − VDET
−
=
×
ΔTa
ΔTa
− VDET
ΔTa
14
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