S-812C_1 Datasheet, PDF (15/52 Pages) Seiko Instruments Inc – HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.4.0_00
HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
6. Temperature coefficient of output voltage  ^∆VOUT 
 ^{∆Ta • VOUT} 
The shadowed area in Figure 15 is the range where V_OUT varies in the operating temperature range when
the temperature coefficient of the output voltage is ±100 ppm/°C.
The ratio of temperature change in output voltage [mV/°C] is calculated from the following equation.
[ ] [ ] [ ] ^∆VOUT
∆Ta
mV/°C ^*1 = VOUT(S)
V
*2
×
∆VOUT
∆Ta • VOUT
ppm/°C ^*3 ÷1000
*1. The ratio of temperature change in output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
VOUT[V}
+0.30mV/°C
VOUT(E)^*1
-0.30mV/°C
-40
25
85
Ta [°C]
*1. V_OUT(E) is a measured value of output voltage at 25°C.
Figure 15 Ex. S-812C30A Typ.
Seiko Instruments Inc.
15