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

Numéro de pièce SI-3025KM
Description  1 A, Low-Dropout, 2.5 V Regulator
Télécharger  9 Pages
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Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

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

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SI-3025KM
1 A, Low-Dropout,
2.5 V Regulator
www.allegromicro.com
Linear
Regulators
3
ELECTRICAL CHARACTERISTICS at T
A = +25°C, VE = 2 V (unless otherwise noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Voltage
V
O
V
I = 3.3 V, IO = 10 mA
2.45
2.50
2.55
V
V
O(off)
V
E = 0 V
0.5
V
Output Volt. Temp. Coeff.
a
VO
0°C
≤ T
J ≤ 100°C
±0.3
mV/°C
Output Short-Circuit Current
I
OM
V
I = 3.3 V, See note
1.1
A
Line Regulation
∆V
O(
∆VI)
V
I = 3.3 V ~ 8 V, IO = 10 mA
15
mV
Load Regulation
∆V
O(
∆IO)
V
I = 3.3 V, IO = 0 A ~ 1.0 A
40
mV
Dropout Voltage
V
Imin - VO
I
O = 0.5 A
0.4
V
I
O = 1.0 A
0.6
V
Ground Terminal Current
I
GND
V
I = 3.3 V, IO = 0 mA, VE = 2.0 V
350
µA
V
I = 3.3 V, VE = 0 V
1.0
µA
Enable Input Voltage
V
EH
Output ON
2.0
V
V
EL
Output OFF
0.8
V
Enable Input Current
I
EH
V
E = 2.0 V
40
µA
I
EL
V
E = 0 V
0
-5.0
µA
Ripple Rejection Ratio
PSRR
V
I = 3.3 V, 100 Hz ≤ f ≤ 120 Hz
55
dB
Thermal Shutdown
T
J
I
O = 10 mA
135
150
°C
Typical values are given for circuit design information only.
Note: Output short-circuit current is at point where output voltage has decreased 5%.


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