S-1167 Datasheet, PDF (12/31 Pages) Seiko Instruments Inc – ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1167 Series
Rev.2.3_00
7. Temperature Coefficient of Output Voltage

∆V_OUT
∆Ta • V_OUT

The shadowed area in Figure 11 is the range where V_OUT varies in the operating temperature range when the
temperature coefficient of the output voltage is ±100 ppm / °C.
V_OUT [V]
e.g. S-1167B28 Typ.
+0.28 mV / °C
V_OUT(E)^*1
−0.28 mV / °C
−40
25
85
Ta [°C]
*1. V_OUT(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 _{[mV / °C]*1 = [ VOUT(S) V]*2 ×} ∆VOUT _{[ppm / °C]*3 ÷1000}
∆Ta
∆Ta • VOUT
*1. The temperature change ratio of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
12
Seiko Instruments Inc.