8220 Datasheet, PDF (6/8 Pages) Allegro MicroSystems – LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

8220 THRU 8233
LOW-DROPOUT
REGULATORS
40
30
20
10
-50
VI = 6 V
IO = 0
VE ≥ 2 V
TYPICAL CHARACTERISTICS (cont’d)
GROUND TERMINAL/QUIESCENT CURRENT
60
50
I _O = 50 mA
40
T_A = 25°C
30
I_O= 0
20
10
0
+50
AMBIENT TEMPERATURE in °C
+100
Dwg. GP-051-4
0
-2.0
V_O(nom)
+2.0
+4.0
INPUT VOLTAGE in VOLTS
+6.0
Dwg. GP-058-2
DROPOUT VOLTAGE
50
0.25
TA = 25°C
45
VI ≥ VO(nom) + 0.30 V
0.20
T_A = 85°C
40
T_A = 25°C
T_A = -20°C
0.15
35
0.10
30
0.05
25
20
0
CAUTION:
20
40
OUTPUT CURRENT in mA
60
Dwg. GP-071
0
0
10
20
30
40
50
60
OUTPUT CURRENT in mA
Dwg. GP-054-3
Maximum allowable duty cycle will be significantly less than 100% at high temperatures, at high input voltages, or at
high output currents. See appropriate Maximum Allowable Output Current table.
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