S-1172 Seiko Instruments, S-1172 Datasheet - Page 13
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S-1172
Manufacturer Part Number
S-1172
Description
HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Manufacturer
Seiko Instruments
Datasheet
1.S-1172.pdf
(34 pages)
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Rev.1.1
6. Temperature coefficient of output voltage
The shadowed area in Figure 12 is the range where V
temperature coefficient of the output voltage is ±130 ppm/°C.
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
*1. Change in temperature of output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
∆
_00
V
∆
OUT
Ta
[
mV
/
°
C
HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
]
1 *
=
V
*1. V
V
V
OUT(S)
OUT(E)
OUT
OUT(E)
[V]
*1
[ ]
V
2 *
is the value of the output voltage measured at 25°C.
×
−40
∆
Ta
∆
Seiko Instruments Inc.
V
•
OUT
V
OUT
Ex. S-1172B30 Typ.
[
ppm
Figure 12
∆
25
Ta
∆
/
°
OUT
V
C
•
OUT
]
V
3 *
varies in the operating temperature range when the
OUT
÷
1000
85
+0.39 mV / °C
−0.39 mV / °C
Ta [°C]
S-1172 Series
13