AMS78L05 查看數據表（PDF） - Advanced Monolithic Systems Inc
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AMS78L05 Datasheet PDF : 7 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
AMS78LXX
Maximum Power Dissipation (SO-8)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 10 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE (° C)
Maximum Power Dissipation (SOT-89)
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0 10 20 30 40 50 60 70 80 90 100
AMBIENT TEMPERATURE (° C)
Maximum Power Dissipation (TO-92)
1.0
0.9
0.8
0.7
0.6
0.125" Lead Lenght
from PC Board
0.5
0.4" Lead
0.4
Lenght from
PC Board
0.3
0.2
0.1
0
0 10 20 30 40 50 60 70 80
AMBIENT TEMPERATURE (° C)
TYPICAL APPLICATIONS
Fixed Output Regulator
VIN
UNREGULATED
INPUT
C1*
0.33µF
AMS78LXX
GND
IQ
VOUT
REGULATED
OUTPUT
C2**
10µF
*Required if regulator is located far from power supply filter.
**C2 must be at least 10µF to maintain stability; it can be increased without bound to maintain regulation during transients and it should be
located as close as possible to the regulator. This capacitor must be rated over the same operating temperature range like the regulator.
Current Regulator
INPUT
C1
0.33µF
IOUT = (VOUT/R1)+IQ
>IQ = 1.5mA over line and load changes
AMS78LXX
R1
OUTPUT
IOUT
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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