8181 查看數據表（PDF） - Allegro MicroSystems
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8181 Datasheet PDF : 8 Pages
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8181
LOW-DROPOUT,
5 V REGULATOR
81
80
79
78
-50
TYPICAL CHARACTERISTICS (cont’d)
QUIESCENT (GROUND TERMINAL) CURRENT
VI = 6 V
IO = 0 mA
0
+50
AMBIENT TEMPERATURE, TA in °C
+100
Dwg. GP-037
87
86
85
84
83
82
81
80
0
VI = 10 V
VI = 9 V
VI = 8 V
VI = 7 V
TA= 25°C
VI = 6 V
100
200
300
OUTPUT CURRENT, IO in mA
400
500
Dwg. GP-038
90
80
70
60
50
TA = 25°C
IO= 0 mA
40
30
20
3.0
4.0
5.0
6.0
7.0
8.0
INPUT VOLTAGE, VI in VOLTS
9.0
10
Dwg. GP-042
TRANSIENT PERFORMANCE
VI = 5.5 V to 10 V, TA = -20°C to +85°C, CO = 4.7 µF
5.5 V
VO 5.0 V
4.5 V
500 mA
IO
20 mA
<100 µs
<500 µs
Dwg. WP-018
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.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
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