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SI-3025LSA Datasheet(Fiches technique) 3 Page - Allegro MicroSystems

Numéro de pièce SI-3025LSA
Description  LOW-VOLTAGE, HIGH-CURRENT 2.5 V LINEAR REGULATOR
Télécharger  10 Pages
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Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

SI-3025LSA Datasheet(HTML) 3 Page - Allegro MicroSystems

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SI-3025LSA
LOW-VOLTAGE, HIGH-CURRENT
2.5 V LINEAR REGULATOR
www.allegromicro.com
3
ELECTRICAL CHARACTERISTICS at T
A = +25°C, VI = VS = 3.3 V, VE = 2.0 V (unless otherwise
noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Voltage
V
O
I
O = 500 mA
2.45
2.50
2.55
V
V
OQ
V
E = 0 V, Output Off
0.5
V
Output Volt. Temp. Coeff.
a
VO
I
O = 5 mA, 0°C ≤ TJ ≤ 100°C—
±0.3
mV/
°C
Overcurrent Limit
I
OM
V
O = 95% of VO at IO = 500 mA
1.2
1.5
A
Line Regulation
∆V
O(
∆VI)
3.1 V
≤ V
I = VS ≤ 3.5 V, IO = 300 mA
2.0
10
mV
Load Regulation
∆V
O(
∆IO)
0
≤ I
O ≤ 1 A
10
20
mV
Dropout Voltage
V
Imin - VO
I
O ≤ 0.5 A
220
400
mV
I
O ≤1 A
350
800
mV
Ground Terminal Current
I
GND
I
O = 0 mA
1.7
2.5
mA
I
Q
V
E = 0 V, IO = 0 mA
1.0
µA
Rejection Ratio
PSRR
100 Hz
≤ f ≤ 120 Hz
57
dB
ENABLE Input Voltage
V
EH
Output On
2.0
V
V
EL
Output Off
0.8
V
ENABLE Input Current
I
EH
V
E = 2 V, Output On
40
80
µA
I
EL
V
E = 0 V, Output Off
0
-5.0
µA
Thermal Shutdown Temp.
T
J
135
150
°C
Thermal Resistance
RθJL
To terminals 7 and 8
36
°C/W
Typical values are at T
A = +25°C and are given for circuit design information only.


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