HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.6.1_02
S-1112/1122 Series
7. Output voltage temperature coefficient
VOUT
Ta VOUT
The shaded area in Figure 11 is the range where VOUT varies in the operation temperature range when the
output voltage temperature coefficient is 100 ppm/C.
VOUT
[V]
Example of S-1112/1122B28 typ. product
0.28 mV/C
VOUT(E)*1
0.28 mV/C
40
25
85
Ta [C]
*1. VOUT(E) is the value of the output voltage measured at Ta = 25C.
Figure 11
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
VOUT
Ta
[mV/°C]*1 = VOUT(S) [V]*2
VOUT
Ta VOUT
[ppm/°C]*3 1000
*1. Change in temperature of output voltage
*2. Set output voltage
*3. Output voltage temperature coefficient
13