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參數(shù)資料
| 型號： | LK112SXX |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Low noise low drop voltage regulator with shutdown function |
| 中文描述： | 低噪聲低壓降，具有關(guān)斷功能的穩(wěn)壓器 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 389K |
| 代理商： | LK112SXX |
Electrical characteristics
LK112Sxx
6/18
4
Electrical characteristics
Table 5.
Electrical characteristics for LK112S
(T
J
= 25 °C, V
IN
=V
OUT
+1 V
(1)
, I
OUT
= 0mA,
V
SHDN
= 1.8 V, C
I
= 1μF, C
O
= 2.2 μF, C
BYPASS
= 0.1 μF unless otherwise specified)
Parameter
Test conditions
1.
For version with output voltage less than 2V V
IN
=2.4V
Only for version with output voltage more than 2.1V
Symbol
Min.
Typ.
Max.
Unit
I
d
Quiescent current
ON MODE (except I
SHDN
)
175
250
μA
OFF MODE, V
I
= 8V, V
SHDN
= 0V
0
0.1
μA
V
O
Output voltage
I
O
= 30mA
V
I
= V
O
+1V to V
O
+6V, V
O
≤
5.6V
V
I
= V
O
+1V to V
O
+6V, V
O
>
5.6V
(see table)
Δ
V
O
Line regulation
0.7
20
mV
0.8
40
mV
Δ
V
O
Load regulation
I
O
= 1 to 60mA
15
30
mV
I
O
= 1 to 200mA
I
O
= 60 mA
(2)
I
O
= 200 mA
(2)
30
90
mV
V
d
Dropout voltage
2.
0.17
0.24
V
0.35
0.5
V
I
SC
Short circuit current
200
mA
SVR
Supply voltage rejection
V
I
= V
O
+1.5V, C
BYP
= 0.1μF
C
O
= 10μF, f = 400Hz, I
O
= 30mA
55
dB
eN
Output noise voltage
B= 10Hz to 80kHz, C
BYP
= 0.1μF
C
O
= 10μF, V
I
= V
O
+1.5V, I
O
= 60mA
30
μVrms
I
SHDN
Shutdown input current
V
SHDN
= 1.8V, Output ON
12
35
μA
V
SHDN
Shutdown input logic
Output ON
1.8
V
Output OFF
0.6
Δ
V
O
/T
J
Output voltage
temperature coefficient
I
O
= 10mA
0.09
mV/°C
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