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S-1323 Datasheet, PDF (11/28 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR | |||
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HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR
Rev.4.2_00
S-1323 Series
7. Temperature coefficient of output voltage  âVOUT 
ï£ âTa â¢VOUT 
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-1323B28 Typ.
VOUT
[V]
+0.28 mV/°C
VOUT(E)*1
â0.28 mV/°C
â40
25
85
Ta [°C]
*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.
[ ] [ ] [ ] âVOUT mV/°C *1 = VOUT(S) V *2 à âVOUT ppm/°C *3 ÷ 1000
âTa
âTa ⢠VOUT
*1. Change in temperature of output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
Seiko Instruments Inc.
11
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