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S-1135 Datasheet, PDF (19/48 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR | |||
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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.2_01
S-1135 Series
6.
Output voltage
temperature coefficient
ï¦ ÎVOUT ï¶
ï¨ÎTa ⢠VOUT ï¸
The shaded area in Figure 19 is the range where VOUT 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
â0.39 mV/°C
â40
+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.
ÎVOUT
ÎTa
[mV/°C]*1
=
VOUT(S)[V]*2
Ã
ÎVOUT
ÎTa ⢠VOUT
[ppm/°C]*3
÷
1000
*1. Change in temperature of output voltage
*2. Set output voltage
*3. Output voltage temperature coefficient
19
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