8188 Datasheet, PDF (5/12 Pages) Allegro MicroSystems – LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

8188
LOW-DROPOUT
REGULATORS
TYPICAL CHARACTERISTICS
LOAD REGULATION
+0.06
+0.04
+0.02
V_O(nom)
-0.02
V_I = 8 V
-0.04
-0.06
T_A = -20°C
V_I = 6 V
V =4V
I
-0.08
0
25
50
75
100
OUTPUT CURRENT in mA
125
150
Dwg. GP-052-13
+0.03
+0.02
+0.01
V_O(nom)
-0.01
-0.02
-0.03
-0.04
2.0
LINE REGULATION
T_A = -20°C
50 mA INTERVALS
I_O = 100 mA
I_O = 0 mA
3.0
4.0
5.0
6.0
INPUT VOLTAGE in VOLTS
7.0
8.0
Dwg. GP-053-13
+0.06
+0.04
+0.02
V_O(nom)
V_I = 8 V
-0.02
-0.04
-0.06
T_A = 25°C
2 V INTERVALS
V =4V
I
-0.08
0
25
50
75
100
OUTPUT CURRENT in mA
125
150
Dwg. GP-052-14
+0.03
+0.02
+0.01
V_O(nom)
-0.01
-0.02
-0.03
-0.04
2.0
I_O = 0 mA
T_A = 25°C
50 mA INTERVALS
I_O = 100 mA
3.0
4.0
5.0
6.0
INPUT VOLTAGE in VOLTS
7.0
8.0
Dwg. GP-053-14
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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