參數(shù)資料
型號: S-817B30AMC-CWT-T2
廠商: Seiko Instruments Inc.
英文描述: SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
中文描述: 超小型封裝CMOS電壓穩(wěn)壓器
文件頁數(shù): 8/28頁
文件大?。?/td> 412K
代理商: S-817B30AMC-CWT-T2
ULTRA COMPACT CMOS VOLTAGE REGULATOR
S-817 Series
5. Dropout voltage (Vdrop)
Indicates a difference between input voltage (V
IN
1) and output voltage when output voltage falls by 98 % of
V
OUT
(E) by gradually decreasing the input voltage (V
IN
).
Vdrop = V
IN
1-[V
OUT
(E) × 0.98]
Rev.2.3
8
Seiko Instruments Inc.
6. Temperature coefficient of output voltage [
V
OUT
/(
Ta
V
OUT
)]
The output voltage lies in the shaded area in the whole operating temperature shown in figure 8 when the
temperature coefficient of the output voltage is
±
100 ppm/
°
C.
-40
25
+0.15mV/
°
C
V
OUT
[V]
V
OUT
(E) is a measurement value
of output voltage at 25
°
C.
V
OUT
(E)
85
Ta [
°
C]
-0.15mV/
°
C
Figure 8 Typical Example of the S-817A15A
Temperature change ratio for output voltage [mV/°C] is calculated by using the following equation.
[
Ta
Ta V
OUT
]
[
]
V
mV/ C
V
(S) V
V
ppm/ C
1000
OUT
OUT
OUT
=
×
÷
Specified output voltage
Output voltage temperature coefficient
Temperatures change ratio for output voltage
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