SI-3018LSA
LOW-VOLTAGE, HIGH-CURRENT
1.8 V LINEAR REGULATOR
TYPICAL CHARACTERISTICS at T
A
= 25
°
C
Dropout voltage
0.6
1.86
Load regulation
0.5
1.84
DROPOUT VOLTAGE
OUTPUT VOLTAGE
0.4
1.82
0.3
1.80
V
I
= V
S
= 8 V
1.78
V
I
= V
S
= 5 V
V
I
= V
S
= 3.2 V
0.2
0.1
1.76
0
0
0.2
0.4
0.6
0.8
1.0
1.2
Dwg. GK-025
1.74
0
0.2
0.4
0.6
0.8
1.0
1.2
Dwg. GK-026
OUTPUT CURRENT in AMPERES
OUTPUT CURRENT in AMPERES
Overcurrent protection
2.0
2.0
V
OUT
vs V
IN
V
I
= V
S
= 3.2 V
1.5
V
I
= V
S
= 5 V
V
I
= V
S
= 6 V
1.5
I
O
= 0 A
OUTPUT VOLTAGE
OUTPUT VOLTAGE
I
O
= 0.5 A
1.0
I
O
= 1 A
1.0
0.5
0.5
0
0
0.5
1.0
1.5
2.0
Dwg. GK-027
0
0
1.0
2.0
3.0
4.0
5.0
Dwg. GK-028
OUTPUT CURRENT in AMPERES
INPUT VOLTAGE
4
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
TM
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
