SI-3018LSA
LOW-VOLTAGE, HIGH-CURRENT
1.8 V LINEAR REGULATOR
ELECTRICAL CHARACTERISTICS
at T
A
= +25°C, V
I
= V
S
= 3.3 V, V
E
= 2.0 V (unless otherwise
noted).
Limits
Characteristic
Output Voltage
Symbol
V
O
V
OQ
Output Volt. Temp. Coeff.
Overcurrent Limit
Line Regulation
Load Regulation
Dropout Voltage
Ground Terminal Current
a
VO
I
OM
∆V
O(∆VI)
∆V
O(∆IO)
V
I
min - V
O
I
GND
I
Q
Rejection Ratio
ENABLE Input Voltage
PSRR
V
EH
V
EL
ENABLE Input Current
I
EH
I
EL
Thermal Protection Temp.
Thermal Resistance
T
J
R
θJL
To terminals 7 and 8
Test Conditions
I
O
= 500 mA
V
E
= 0 V, Output Off
I
O
= 5 mA, 0°C
≤
T
J
≤
100°C
V
O
= 95% of V
O
at I
O
= 500 mA
3.1 V
≤
V
I
= V
S
≤
3.5 V, I
O
= 300 mA
0
≤
I
O
≤
1 A
I
O
≤
1 A
I
O
= 0 mA
V
E
= 0 V, I
O
= 0 mA
100 Hz
≤
f
≤
120 Hz
Output On
Output Off
V
E
= 2 V, Output On
V
E
= 0 V, Output Off
Min.
1.764
—
—
1.2
—
—
—
—
—
—
2.0
—
—
—
135
—
Typ.
1.800
—
±0.3
1.5
2.0
10
0.55
1.7
—
60
—
—
30
0
150
36
Max.
1.836
0.5
—
—
10
20
1.2
2.5
1.0
—
—
0.8
80
-5.0
—
—
Units
V
V
mV/°C
A
mV
mV
V
mA
µA
dB
V
V
µA
µA
°C
°C/W
Typical values are at T
A
= +25°C and are given for circuit design information only.
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