si-3003kwf Allegro MicroSystems, Inc., si-3003kwf Datasheet - Page 3

• Manufacturer Part Number: si-3003kwf
• Description: 1 A, Low-dropout, Dual Output, 1.8 V & 2.5 V Regulator
• Manufacturer: Allegro MicroSystems, Inc.

ELECTRICAL CHARACTERISTICS
Characteristic
Channel 1
Output Voltage
Output Volt. Temp. Coeff.
Output Short-Circuit Current
Line Regulation
Load Regulation
Dropout Voltage
Ripple Rejection Ratio
Channel 2
Output Voltage
Output Volt. Temp. Coeff.
Output Short-Circuit Current
Line Regulation
Load Regulation
Dropout Voltage
Ripple Rejection Ratio
Logic
Ground Terminal Current
Enable Input Voltage
Enable Input Current
Thermal Shutdown
Typical values are given for circuit design information only.
Note: Output short-circuit current is at point where output voltage has decreased 5%.
www.allegromicro.com
V
V
Symbol
Imin
PSRR
Imin
PSRR
V
V
V
V
V
V
a
a
I
I
I
V
V
V
V
O1(off)
O2(off)
GND
I
OM1
O( VI)1
O( IO)1
OM2
O( VI)2
O( IO)2
I
T
VO1
VO2
EH
EL
EH
O1
O2
EL
- V
- V
J
O1
O2
Test Conditions
V
V
0°C
V
V
V
I
V
V
V
0°C
V
V
V
I
V
V
V
Output ON
Output OFF
V
V
I
O1
O2
O
at T
I
E
I
I
I
I
I
E
I
I
I
I
I
I
E
E
= 10 mA
= 3.3 V, I
= 3.3 V, See note
= 3.2 V ~ 5.0 V, I
= 3.3 V, I
= 3.3 V, 100 Hz
= 3.3 V, I
= 3.3 V, See note
= 3.2 V ~ 5.0 V, I
= 3.3 V, I
= 3.3 V, 100 Hz
= 3.3 V, I
= 3.3 V, V
= 0 V
= 0 V
= 2.7 V
= 0.4 V
= 1.0 A
= 1.0 A
A
T
T
= +25°C, V
J
J
100°C
100°C
O1
O1
O2
O2
O
E
= 0 mA, V
= 0 V
= 0 A ~ 1.0 A
= 0 A ~ 1.0 A
= 10 mA
= 10 mA
E
= 2 V (unless otherwise noted).
O1
O2
f
f
= 10 mA
= 10 mA
E
120 Hz
120 Hz
= 2.0 V
1.8 V & 2.5 V Regulator
2.450
1.764
Min.
135
1.2
1.2
2.0
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1 A, Low-Dropout,
SI-3003KWF
2.500 2.550
1.800 1.836
Typ.
±0.3
±0.3
150
-12
1.0
60
60
—
—
—
—
—
—
—
—
—
—
—
—
—
Dual Output,
0
Limits
Max.
-100
0.5
0.6
0.5
0.6
1.5
0.5
0.8
5.0
20
30
20
30
—
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—
—
—
—
—
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mV/°C
mV/°C
Units
mV
mV
mV
mV
mA
mA
dB
dB
µA
µA
°C
V
V
A
V
V
V
A
V
V
V
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