8187 Datasheet, PDF (6/8 Pages) Allegro MicroSystems – LOW-DROPOUT, 3.3 V REGULATOR . HIGH EFFICIENCY

8187
LOW-DROPOUT,
3.3 V REGULATOR
50
45
40
35
-50
0.25
VI =6V
IO = 0
TYPICAL CHARACTERISTICS (concluded)
QUIESCENT (GROUND TERMINAL) CURRENT
60
I_O = 0
50
40
T_A = 85°C
30
20
T_A = 25°C
T_A = -20°C
10
0
+50
AMBIENT TEMPERATURE in °C
+100
Dwg. GP-051-2
DROPOUT VOLTAGE
0
0
2.0
4.0
6.0
8.0
INPUT VOLTAGE in VOLTS
Dwg. GP-058
LOAD TRANSIENT PERFORMANCE
V_I = 3.5 V to 6.5 V, C_O as specified, T_A = 25°C
0.20
0.15
0.10
0.05
0
0
T_A = 85°C
T_A = 25°C
T_A = -20°C
25
50
75
100
OUTPUT CURRENT in mA
3.55 V
V_O
C_O = 10 µF
3.3 V
3.05 V
3.8 V
V_O
C_O = 1 µF
3.3 V
2.8 V
100 mA
I_O
1 mA
125
150
Dwg. GP-054-1
<50 µs
<600 µs
Dwg. WP-028-1
CAUTION: Maximum allowable duty cycle will be significantly less than 100% at high temperatures, at high input voltages, or at high output currents.
See Maximum Allowable Output Current table.
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