S1135 Datasheet, PDF (19/48 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.2_00
S-1135 Series
6.
Output voltage
temperature coefficient
 ^ΔVOUT
ΔTa • V_OUT


The shaded area in Figure 19 is the range where V_OUT varies in the operation temperature range when the output
voltage temperature coefficient is ±130 ppm/°C.
VOUT
[V]
Example of S-1135B30 typ. product
+0.39 mV/°C
VOUT(E)^*1
−0.39 mV/°C
−40
+25
+85
Ta [°C]
*1. VOUT(E) is the value of the output voltage measured at Ta = +25°C.
Figure 19
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
ΔV_OUT
ΔTa
[mV/°C]^*1
=
V_OUT(S)[V]^*2
×
ΔV_OUT
ΔTa • V_OUT
[ppm/°C]^*3
÷
1000
*1. Change in temperature of output voltage
*2. Set output voltage
*3. Output voltage temperature coefficient
Seiko Instruments Inc.
19