參數(shù)資料
型號(hào): S-81254
廠商: Seiko Instruments Inc.
英文描述: 5.4V±2.4% High-Precision Three-Terminal Positive Voltage Regulator(輸出電壓5.4V±2.4%,高精度三端(輸入端,輸出端,接地端)正電壓穩(wěn)壓器)
中文描述: 到5.4V ± 2.4%高精度三端穩(wěn)壓器(輸出電壓到5.4V ± 2.4%,高精度三端(輸入端,輸出端,接地端)正電壓穩(wěn)壓器)
文件頁(yè)數(shù): 17/33頁(yè)
文件大小: 337K
代理商: S-81254
HIGH-PRECISION VOLTAGE REGULATOR
S-812XXSG Series
16
Seiko Instruments Inc.
Table 28 Parameter dependency due to output current fluctuation
Parameter
Method to decrease
overshoot
Method to decrease
undershoot
Output current fluctuation
Load capacitance C
L
Input voltage
Temperature
I
OUT
Decrease
Decrease
Increase
Increase
Increase
Increase
V
IN
Ta
For reference, the following describes the results of measuring the ringing amounts at the V
OUT
pin using the input
voltage (V
IN
), load capacitance (C
L
), output current fluctuation width ( I
OUT
), and temperature as parameters.
Load
transient response of S-81250SG
Reference data
2. C
L
dependency
V
IN
=7V
Ta=25 C
0.5
0.4
0.3
0.2
0.1
0.0
0 10
20
30
40
50
C
L
( F)
Ringing
amount
(V)
3. I
OUT
dependency
I
shows the difference between the low
current fixed to 1 A and the high.
For example, I
OUT
=10 mA means the difference
between 10mA and 1 A.
C
L
=10 F
Ta=25 C
V
IN
=7V
1.2
1.0
0.8
0.6
0.4
0.2
0.00
5
10 15 20 25 30
I
OUT
(mA)
Ringing
amount
(V)
4. Temperature dependency
Undershoot
Overshoot
V
IN
=7V
C
L
=10 F
0.5
0.4
0.3
0.2
0.1
0
40
80
-40
Ta ( C)
Ringing
amount
(V)
1. V
IN
dependency
0.6
0.5
0.4
0.3
0.2
0.1
0.06
8
10
12
14
16
Ringing
amount
(V)
V
IN
(V)
C
L
=10 F
Ta=25 C
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