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| 型號： | S-818A25AMC-BGF-T2 |
| 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 |
| 文件頁數(shù)： | 4/23頁 |
| 文件大?。?/td> | 366K |
| 代理商： | S-818A25AMC-BGF-T2 |
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.1.2
4
Seiko Instruments Inc.
Electrical Characteristics
S-818AXXAMC/UC, S-818BXXAMC/UC
Table 5 Electrical Characteristics (Ta=25
°
C unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Test
circuit
s
1
Output voltage
*1)
V
OUT
(E)
V
IN
=V
OUT
(S)+1V,I
OUT
=30mA
V
OUT
(S)
×
0.98
100
*5)
150
*5)
200
*5)
250
*5)
300
*5)
V
OUT
(S) V
OUT
(S)
×
1.02
0.87
0.61
0.44
0.33
0.26
0.22
0.21
0.20
0.2
V
Output current
*2)
I
OUT
V
OUT
(S)+
1V
≤
V
IN
≤
10V
2.0V
≤
V
OUT
(S)
≤
2.4V
2.5V
≤
V
OUT
(S)
≤
2.9V
3.0V
≤
V
OUT
(S)
≤
3.9V
4.0V
≤
V
OUT
(S)
≤
4.9V
5.0V
≤
V
OUT
(S)
≤
6.0V
2.0V
≤
V
OUT
(S)
≤
2.4V
2.5V
≤
V
OUT
(S)
≤
2.9V
3.0V
≤
V
OUT
(S)
≤
3.4V
3.5V
≤
V
OUT
(S)
≤
3.9V
4.0V
≤
V
OUT
(S)
≤
4.4V
4.5V
≤
V
OUT
(S)
≤
4.9V
5.0V
≤
V
OUT
(S)
≤
5.4V
5.5V
≤
V
OUT
(S)
≤
6.0V
mA
mA
mA
mA
mA
V
V
V
V
V
V
V
V
%/V
3
3
3
3
3
1
1
1
1
1
1
1
1
1
Dropout voltage
*3)
Vdrop
I
OUT
=
60mA
0.51
0.38
0.30
0.24
0.20
0.18
0.17
0.17
0.05
Line regulation 1
V
OUT
1
1
V
IN
V
OUT
V
OUT
2
1
V
IN
V
OUT
V
OUT
3
V
OUT
(S) + 0.5 V
≤
V
IN
≤
10 V,
I
OUT
= 30mA
V
OUT
(S) + 0.5 V
≤
V
IN
≤
10 V,
I
OUT
= 10
μ
A
V
IN
= V
OUT
(S) + 1 V,
10
μ
A
≤
I
OUT
≤
80mA
V
IN
= V
OUT
(S) + 1 V, I
OUT
= 30mA
-40
°
C
≤
Ta
≤
85
°
C
V
IN
= V
OUT
(S) + 1 V,
ON/OFF pin = ON, no load
V
IN
= V
OUT
(S) + 1 V,
ON/OFF pin = OFF, no load
Line regulation 2
0.05
0.2
%/V
1
Load regulation
30
50
mV
1
Output voltage temperature
coefficient
*4)
Current consumption during
operation
Current consumption when
power off
Input voltage
Power-off pin input voltage "H"
V
OUT
1
Ta
V
OUT
I
SS
1
±
100
ppm
/
°
C
μ
A
1
30
40
2
I
SS
2
0.1
0.5
μ
A
2
V
IN
V
SH
1.5
10
V
V
1
4
V
IN
= V
OUT
(S) + 1 V, R
L
= 1k
,
Judged by V
OUT
output level.
V
IN
= V
OUT
(S) + 1 V, R
L
= 1k
,
Judged by V
OUT
output level.
V
IN
= V
OUT
(S) + 1 V,
ON/OFF = 7 V
V
IN
= V
OUT
(S) + 1 V,
ON/OFF = 0 V
V
IN
= V
OUT
(S) + 1 V, f = 100Hz,
Vrip = 0.5 V p-p, I
OUT
=30mA
Power-off pin input voltage "L"
V
SL
0.3
V
4
Power-off pin input current "H"
I
SH
0.1
μ
A
4
Power-off pin input current "L"
I
SL
-0.1
μ
A
4
Ripple rejection
RR
45
dB
5
*1) V
OUT
(S)=Specified output voltage
V
OUT
(E)=Effective output voltage, i.e., the output voltage at fixet I
OUT
(=30 mA) and input V
OUT
(S)+1.0 V.
*2) Output current when the output voltage goes below 95% of V
OUT
(E) after gradually increasing output current.
*3) Vdrop = V
IN
1-(V
OUT
(E) × 0.98)
V
IN
1
= Input voltage when output voltage falls 98% of
V
OUT
(E) after gradually decreasing input voltage.
*4) Output voltage shift by temperature [mV/°C] is calculated using the following equation.
*5) Peak output current can exceed the minimum value.
V
OUT
Ta
[ppm/
°
C]
÷
1000
[mV/
°
C] = V
OUT
(S)[V] ×
V
OUT
Ta
V
OUT
Specified output voltage
Output voltage temperature coefficient
Output voltage shift by temperature
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