LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Electrical Characteristics
S-818AXXAMC/UC, S-818BXXAMC/UC
Rev.1.2
Table 5 Electrical Characteristics
Parameter
Output voltage
Output current
*1)
*2)
(Ta=25°C unless otherwise specified)
Min.
Typ.
Max.
Test
Units circuit
s
1
3
3
3
3
3
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
4
4
4
4
5
Symbol
V
OUT
(E)
I
OUT
Conditions
V
IN
=V
OUT
(S)+1V,I
OUT
=30mA
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
*3)
Dropout voltage
Vdrop
I
OUT
=
2.0V
≤V
OUT
(S)
≤2.4V
60mA
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
∆V
OUT
1
1
V
OUT
(S) + 0.5 V
≤
V
IN
≤
10 V,
Line regulation 1
∆V
IN
•
V
OUT
I
OUT
= 30mA
∆V
OUT
2
1
V
OUT
(S) + 0.5 V
≤
V
IN
≤
10 V,
Line regulation 2
∆V
IN
•
V
OUT
I
OUT
= 10µA
∆V
OUT
3
Load regulation
V
IN
= V
OUT
(S) + 1 V,
10µA
≤
I
OUT
≤
80mA
∆V
OUT
1
V
IN
= V
OUT
(S) + 1 V, I
OUT
= 30mA
Output voltage temperature
*4)
∆Ta •
V
OUT
-40°C
≤
Ta
≤
85°C
coefficient
Current consumption during
I
SS
1
V
IN
= V
OUT
(S) + 1 V,
operation
ON/OFF pin = ON, no load
Current consumption when
I
SS
2
V
IN
= V
OUT
(S) + 1 V,
power off
ON/OFF pin = OFF, no load
Input voltage
V
IN
Power-off pin input voltage "H"
V
SH
V
IN
= V
OUT
(S) + 1 V, R
L
= 1kΩ,
V
OUT
(S) V
OUT
(S) V
OUT
(S) V
×0.98
×1.02
−
−
100
*5)
mA
−
−
150
*5)
mA
−
−
200
*5)
mA
−
−
250
*5)
mA
−
−
300
*5)
mA
−
0.51
0.87
V
−
0.38
0.61
V
−
0.30
0.44
V
−
0.24
0.33
V
−
0.20
0.26
V
−
0.18
0.22
V
−
0.17
0.21
V
−
0.17
0.20
V
0.05
0.2
%/V
0.05
30
±100
1.5
30
0.1
45
0.2
50
40
0.5
10
0.3
0.1
-0.1
%/V
mV
ppm
/°C
µA
µA
V
V
V
µA
µA
dB
Judged by V
OUT
output level.
Power-off pin input voltage "L"
Power-off pin input current "H"
Power-off pin input current "L"
Ripple rejection
V
SL
I
SH
I
SL
RR
V
IN
= V
OUT
(S) + 1 V, R
L
= 1kΩ,
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
*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.
∆V
OUT
∆V
OUT
[ppm/°C]
÷1000
[mV/°C] = V
OUT
(S)[V] ×
∆Ta
•
V
OUT
∆Ta
Specified output voltage
Output voltage shift by temperature
Output voltage temperature coefficient
*5) Peak output current can exceed the minimum value.
4
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
