參數(shù)資料
型號(hào): S818
廠商: Seiko Instruments Inc.
英文描述: LOW DROPOUT CMOS VOLTAGE REGULATOR
中文描述: 低壓差型CMOS電壓穩(wěn)壓器
文件頁(yè)數(shù): 19/23頁(yè)
文件大小: 366K
代理商: S818
Rev.1.2
S-818 Series
LOW DROPOUT CMOS VOLTAGE REGULATOR
Seiko Instruments Inc.
19
Load current dependence of load fluctuation undershoot
I
OUT
shows larger load current at load current
fluctuation while smaller current is fixed to 10 μA.
For example
I
OUT
=1.E-02 (A) means load current
fluctuation from 10 μA to 10 mA.
Output capacitor (CL) dependence of undershoot
0.0
0.2
0.4
0.6
0.8
1.0
1.E-03
1.E-02
1.E-01
1.E+00
I
OUT
(A)
U
5V
3V
V
OUT
=2V
V
IN
=V
OUT
(S)+1V,
CL=2
μ
F
0
0.1
0.2
0.3
0.4
1
10
100
CL(uF)
U
5V
3V
V
IN
=V
OUT
(S)+1V ,I
OUT
=10
μ
A
30mA
V
OUT
=2V
VDD dependence of undershoot
Temperature dependence of undershoot
0
0.1
0.2
0.3
0.4
0
2
4
6
8
10
VDD(V)
U
5V
3V
V
IN
=VDD, I
OUT
=10
μ
A
30mA,CL=2
μ
F
V
OUT
=2V
0
0.1
0.2
0.3
0.4
0.5
-50
0
50
100
Ta(°C)
U
5V
3V
V
IN
=V
OUT
(S)+1V ,I
OUT
=10
μ
A
30mA
,
CL
=
2
μ
F
V
OUT
=2V
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