8188 Datasheet, PDF (7/12 Pages) Allegro MicroSystems – LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

8188
LOW-DROPOUT
REGULATORS
60
55
50
45
-50
TYPICAL CHARACTERISTICS (cont’d)
QUIESCENT (GROUND TERMINAL) CURRENT
250
VI = 6 V
IO = 0
VE ≥ 2 V
200
I_O= 0
T_A = 25°C
150
100
0
+50
AMBIENT TEMPERATURE in °C
+100
Dwg. GP-051-3
50
0
-2.0
V_O(nom)
+2.0
+4.0
INPUT VOLTAGE in VOLTS
+6.0
Dwg. GP-058-1
DROPOUT VOLTAGE
0.25
0.20
0.15
T_A = 85°C
T_A = 25°C
T_A = -20°C
0.10
0.05
0
0
25
50
75
100
125
150
OUTPUT CURRENT in mA
Dwg. GP-054-2
CAUTION: 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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