HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.5.0_00
S-1112/1122 Series
∆VOUT
∆Ta •VOUT
7. Temperature coefficient of output voltage
The shadowed area in Figure 11 is the range where VOUT varies in the operating temperature range
when the temperature coefficient of the output voltage is 100 ppm/°C.
Ex. S-1112/1122B28 Typ.
VOUT
[V]
+0.28 mV / °C
*1
VOUT(E)
−0.28 mV / °C
−40
25
Ta [°C]
85
*1. VOUT(E) is the value of the output voltage measured at 25°C.
Figure 11
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
∆VOUT
∆Ta
∆VOUT
∆Ta • VOUT
*2
*3
[
mV/°C
]
*1 = VOUT(S)
[
V
]
×
ppm/°C ÷1000
[ ]
*1. Change in temperature of output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
Seiko Instruments Inc.
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