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參數資料
| 型號： | L200 |
| 廠商： | 意法半導體 |
| 英文描述： | ADJUSTABLE VOLTAGE AND CURRENT REGULATOR |
| 中文描述： | 可調電壓和電流調節(jié)器 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 165K |
| 代理商： | L200 |
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
ref
Average Temperature Coefficient
of Reference Voltage
V
i
= 20 V
Io = 10mA
for Tj = - 25 to 125
°
C
for Tj = 125 to 150
°
C
-0.25
-1.5
mV/
°
C
mV/
°
C
I
4
Bias Current and Pin 4
3
10
μ
A
I
4
T
I
4
AverageTemperature
Coefficient (pin 4)
-0.5
%/
°
C
Z
o
Output Impedance
V
i
= 10 V
I
o
= 0.5 A
V
o
= V
ref
f = 100 Hz
1.5
m
CURRENT REGULATION LOOP
V
SC
Current Limit Sense Voltage
between Pins 5 and 2
V
i
= 10 V
I
5
= 100 mA
V
o
= V
ref
0.38
0.45
0.52
V
V
SC
T
V
SC
Average Temperature
Coefficient of V
SC
0.03
%/
°
C
I
o
I
o
Current Load Regulation
Vi = 10 V
I
o
= 0.5 A
I
o
= 1A
I
o
= 1.5 A
Vo = 3V
1.4
1
0.9
%
%
%
I
SC
PeakShort Circuit Current
V
i
- V
0
= 14 V
(pins 2 and 5 short circuited)
3.6
A
ELECTRICALCHARACTERISTICS
(continued)
4/12
Figure 3. Typical Safe Operating Area
Protection.
Figure 4. Quiescent Current vs. Supply
Voltage.
Note 1:A load step of 2 A can be applied provited that input-output differentialvoltage is lower than 20 V (see Figure3).
Note 2:The same performance can be maintained at higher output levels if a bypassing capacitor is provited between pins 2 and 4.
L200
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