參數(shù)資料
型號: S-817A20
廠商: Seiko Instruments Inc.
英文描述: 2.0V±2.0% Ultra Compact 3-Pin Positive Voltage Regulator(輸出電壓2.0V±2.0%,緊湊型結(jié)構(gòu)3腳正電壓穩(wěn)壓器)
中文描述: 2.0V的± 2.0%,超小型3引腳正電壓穩(wěn)壓器(輸出電壓2.0V的± 2.0%,緊湊型結(jié)構(gòu)3腳正電壓穩(wěn)壓器)
文件頁數(shù): 6/23頁
文件大小: 414K
代理商: S-817A20
Rev.1.1
S-817 Series
ULTRA COMPACT CMOS VOLTAGE REGULATOR
Seiko Instruments Inc.
5
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]
6. Temperature coefficient of output voltage [ V
OUT
/( Ta V
OUT
)]
The shadowed area in Figure 5 is the range where V
OUT
varies in the operating temperature range 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 mesurement value
of output voltage at 25 C.
V
OUT
(E)
85
Ta [ C]
-0.15mV/ C
Figure 5 Typical Example of the S-817A15A
A change in temperatures of output voltage [mV/°C] is calculated using the following equation.
V
OUT
Ta
V
OUT
V
OUT
Ta
[ppm/ C] 1000
[mV/ C] = V
OUT
(S)[V] ×
Specified output voltage
Output voltage temperature coefficient
Change in temperatures of output voltage
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S-817A35 3.5V±2.0% Ultra Compact 3-Pin Positive Voltage Regulator(輸出電壓3.5V±2.0%,緊湊型結(jié)構(gòu)3腳正電壓穩(wěn)壓器)
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