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參數(shù)資料
| 型號： | S-T111 |
| 英文描述： | Voltage Regulators |
| 中文描述： | 穩(wěn)壓器 |
| 文件頁數(shù)： | 5/22頁 |
| 文件大小： | 379K |
| 代理商： | S-T111 |
Rev.1.2
_00
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-T111 Series
Electrical Characteristics
Seiko Instruments Inc.
5
Table 4
(Ta
=
25
°
C unless otherwise specified)
Item
Symbol
Conditions
Min.
Typ.
Max.
Unit
Test
Circuit
Output voltage
*1
V
OUT(E)
V
IN
=
V
OUT(S)
+
1.0 V, I
OUT
=
30 mA
V
OUT(S)
×
0.99
150
*5
V
OUT(S)
Not specified
0.08
0.32
0.28
0.25
0.20
0.19
V
OUT(S)
×
1.01
V
1
Output current
*2
Dropout voltage
*3
I
OUT
V
drop
V
V
IN
≥
V
OUT(S)
+
1.0 V
I
OUT
=
50 mA
I
OUT
=
100 mA
V
OUT(S)
+
0.5 V
≤
V
IN
≤
6.5 V,
I
OUT
=
30 mA
V
IN
=
V
OUT(S)
+
1.0 V,
1.0 mA
≤
I
OUT
≤
80 mA
V
IN
=
V
OUT(S)
+
1.0 V, I
OUT
=
10 mA,
40
°
C
≤
Ta
≤
85
°
C
V
IN
=
V
OUT(S)
+
1.0 V, ON/OFF pin
=
ON,
no load
V
IN
=
V
OUT(S)
+
1.0 V, ON/OFF pin
=
OFF,
no load
mA
V
3
1
1.5 V
≤
V
OUT(S)
≤
2.7 V
2.8 V
≤
V
OUT(S)
≤
5.5 V
1.5 V
≤
V
OUT(S)
≤
1.6 V
1.7 V
≤
V
OUT(S)
≤
1.8 V
1.9 V
≤
V
OUT(S)
≤
2.3 V
2.4 V
≤
V
OUT(S)
≤
2.7 V
2.8 V
≤
V
OUT(S)
≤
5.5 V
0.14
0.55
0.47
0.35
0.29
0.26
Line regulation
OUT
V
IN
OUT1
V
0.05
0.2
% / V
Load regulation
V
OUT2
12
40
mV
Output voltage
temperature coefficient
*4
Current consumption
during operation
Current consumption
during shutdown
Input voltage
Shutdown pin
input voltage “H”
Shutdown pin
input voltage “L”
Shutdown pin
input current “H”
Shutdown pin
input current “L”
OUT
V
OUT
Ta
V
±
100
ppm
/
°
C
I
SS1
50
90
μ
A
2
I
SS2
0.1
1.0
V
IN
2.0
6.5
V
V
SH
V
IN
=
V
OUT(S)
+
1.0 V, R
L
=
1.0 k
1.5
4
V
SL
V
IN
=
V
OUT(S)
+
1.0 V, R
L
=
1.0 k
0.3
I
SH
V
IN
=
6.5 V, V
ON/OFF
=
6.5 V
0.1
0.1
μ
A
I
SL
V
IN
=
6.5 V, V
ON/OFF
=
0 V
0.1
0.1
Ripple rejection
RR
V
IN
=
V
OUT(S)
+
1.0 V, f
=
1.0 kHz,
V
rip
=
0.5 Vrms, I
OUT
=
30 mA
V
IN
=
V
OUT(S)
+
1.0 V, ON/OFF pin
=
ON,
V
OUT
=
0 V
80
dB
5
Short-circuit current
I
short
200
mA
3
*1.
V
OUT(S)
: Specified output voltage
V
OUT(E)
: Actual output voltage at the fixed load
The output voltage when fixing I
OUT
(
=
30 mA) and inputting V
OUT(S)
+
1.0 V
*2.
The output current at which the output voltage becomes 95% of V
OUT(E)
after gradually increasing the output current.
*3.
V
drop
=
V
IN1
(V
OUT3
×
0.98)
V
OUT3
is the output voltage when V
IN
=
V
OUT(S)
+
1.0 V and I
OUT
50 mA or I
OUT
=
100 mA.
V
IN1
is the input voltage at which the output voltage becomes 98% of
V
OUT3
after gradually decreasing the input voltage.
*4.
The change in temperature [mV/°C] is calculated using the following equation.
[
]
[ ]
[
]
1000
C
ppm/
V
Ta
Ta
OUT
*1.
The change in temperature of the output voltage
*2.
Specified output voltage
*3.
Output voltage temperature coefficient
*5.
The output current can be at least this value.
Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the power
dissipation of the package when the output current is large.
This specification is guaranteed by design.
V
V
V
C
mV/
V
OUT
OUT(S)
OUT
÷
°
×
=
°
3
*
2
*
*1
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