8188 Datasheet, PDF (6/12 Pages) Allegro MicroSystems – LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

8188
LOW-DROPOUT
REGULATORS
TYPICAL CHARACTERISTICS (cont’d)
LOAD REGULATION
+0.06
+0.04
+0.02
V_O(nom)
-0.02
V_I = 7 V
V_I = 6 V
-0.04
-0.06
T_A = 85°C
-0.08
0
10
20
30
40
OUTPUT CURRENT in mA
V_I = 4 V
50
60
Dwg. GP-052-15
+0.03
+0.02
+0.01
V_O(nom)
-0.01
-0.02
-0.03
-0.04
2.0
LINE REGULATION
T_A = 85°C
50 mA INTERVALS
I_O = 0 mA
I_O = 100 mA
3.0
4.0
5.0
6.0
INPUT VOLTAGE in VOLTS
7.0
8.0
Dwg. GP-053-15
OUTPUT VOLTAGE
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
V _O(nom)
I_O = 0 - 100 mA
T_A = 25°C
+0.01
V_O(nom)
-0.01
-0.02
V_I = 6 V
I_O = 0
1.0
2.0
3.0
INPUT VOLTAGE in VOLTS
4.0
Dwg. GP-059-2
-50
0
+50
+100
AMBIENT TEMPERATURE in °C
Dwg. GP-050-3
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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Worcester, Massachusetts 01615-0036 [phone]