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
2500mm
1250mm
950mm
2500mm
1800mm
600mm
1250mm
915mm
600mm
240mm
240mm
2500mm
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°
2500mm
2500mm
0
0
1600mm
0
0
0
900mm
0
900mm
VIN
AS1117
OUT
IN
V
IN
AS1117
V
OUT
OUT
IN
C1
C
2
C
1
ADJ
vREF
ADJ
R1
R1
IADJ
50uA
LOAD
R
2
VOUT= VREF(1+R2/R1) +IADJ R2
Typical Adjustable Regulator
800mA Current output
Rev. 10/6/00