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AS1117 Datasheet(PDF) 4 Page - Alpha Industries

Part # AS1117
Description  800mA Low Dropout Regulator SCSI-II Active Terminator
PDF  11 Pages
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Manufacturer  ALPHA [Alpha Industries]
Direct Link  http://www.alphaind.com
Logo ALPHA - Alpha Industries

AS1117 Datasheet(HTML) 4 Page - Alpha Industries

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Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94568 Tel: (925) 417-1391 Fax: (925) 417-1390
Rev. 9/14/99
AS1117
Table 1.
TOTAL PC BOARD AREA
TOPDIDE COPPER AREA
BACKSIDE COPPER AREA
THERMAL RESISTANCE
JUNCTION TO AMBIENT
2500mm
2500mm
2500mm
2500mm
2500mm
1600mm
2500mm
2500mm
1600mm
900mm
900mm
2500mm
1250mm
950mm
2500mm
1800mm
600mm
1250mm
915mm
600mm
240mm
240mm
2500mm
2500mm
2500mm
0
0
1600mm
0
0
0
900mm
0
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
°°
LOAD
ADJ
ALPHA
AS1117
800mA Current output
Regulator
VIN
C1
R
1
OUT
IN
IN
OUT
IADJ
ALPHA
AS1117
C1
R1
R2
VOUT
Typical Adjustable Regulator
VIN
C2
VOUT= VREF(1+R2/R1) +IADJ R2
vREF
50uA
ADJ



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