Datasheet

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
Average Temperature
Coefficient (pin 4)
-0.5
%/°
C
Z
o
Output Impedance V
i
= 10 V V
o
= V
ref
I
o
= 0.5 A f = 100 Hz 1.5
m
Ω
CURRENT REGULATION LOOP
V
SC
Current Limit Sense Voltage
between Pins 5 and 2
V
i
= 10 V V
o
= V
ref
I
5
= 100 mA 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
∆
Vo = 3V
I
o
= 0.5 A
I
o
= 1A
I
o
= 1.5 A
1.4
1
0.9
%
%
%
I
SC
Peak Short Circuit Current V
i
- V
0
= 14 V
(pins 2 and 5 short circuited) 3.6 A
ELECTRICAL CHARACTERISTICS
(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 differential voltage is lower than 20 V (see Figure 3).
Note 2: The same performance can be maintained at higher output levels if a bypassing capacitor is provited between pins 2 and 4.
L200