mc33363dwr2 ON Semiconductor, mc33363dwr2 Datasheet - Page 6

• Manufacturer Part Number: mc33363dwr2
• Description: High Voltage Switching Regulator
• Manufacturer: ON Semiconductor

Maximum Power Dissipation versus P.C.B. Copper Length
Figure 15. DW Suffix (SOP−16L) Thermal Resistance and
100
3.2
2.4
1.6
0.8
90
80
70
60
50
40
30
0
Figure 13. Supply Current versus Supply Voltage
0
0
10
10
L, LENGTH OF COPPER (mm)
R
V
qJA
CC
, SUPPLY VOLTAGE (V)
P
D(max)
20
for T
20
A
Printed circuit board heatsink example
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Graphs represent symmetrical layout
= 50°C
L
C
30
T
= 390 pF
Copper
2.0 oz
L
C
R
Pin 1 = Open
Pin 4, 5, 10, 11,
12, 13 = GND
T
30
T
A
T
= 2.0 nF
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= 25°C
= 10 k
40
3.0 mm
http://onsemi.com
40
50
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
6
Maximum Power Dissipation versus P.C.B. Copper Length
100
80
60
40
20
0
Figure 16. P Suffix (DIP−16) Thermal Resistance and
100
1.0
10
0
0.01
L = 12.7 mm of 2.0 oz.
copper. Refer to Figures
15 and 16.
Figure 14. DW and P Suffix Transient
10
P
R
D(max)
qJA
0.1
L, LENGTH OF COPPER (mm)
Thermal Resistance
for T
20
A
= 70°C
t, TIME (s)
1.0
Printed circuit board heatsink example
Graphs represent symmetrical layout
L
30
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Copper
2.0 oz
L
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10
40
3.0 mm
50
100
5.0
4.0
3.0
2.0
1.0
0