AS1117 查看數據表（PDF） - Alpha Industries
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产品描述 (功能)
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AS1117 Datasheet PDF : 11 Pages
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Table 1.
TOTAL PC BOARD AREA TOPDIDE COPPER AREA
2500mm
2500mm
2500mm
2500mm
2500mm
1600mm
2500mm
2500mm
1600mm
900mm
900mm
2500mm
1250mm
950mm
2500mm
1800mm
600mm
1250mm
915mm
600mm
240mm
240mm
BACKSIDE COPPER AREA
2500mm
2500mm
2500mm
0
0
1600mm
0
0
0
900mm
0
THERMAL RESISTANCE
JUNCTION TO AMBIENT
46°C/W°
47°C/W°
49°C/W°
51°C/W°
53°C/W°
55°C/W°
58°C/W°
59°C/W°
67°C/W°
72°C/W°
85°C/W°
AS1117
VIN
ALPHA
IN AS1117
OUT
C1
ADJ
R1
LOAD
800mA Current output
Regulator
VIN
ALPHA
IN AS1117
C1
ADJ
IADJ
50uA
VOUT= VREF(1+R2/R1) +IADJ R2
OUT
vREF R1
VOUT
C2
R2
Typical Adjustable Regulator
Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94568 Tel: (925) 417-1391 Fax: (925) 417-1390
Rev. 9/14/99
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