MC33362 ON Semiconductor, MC33362 Datasheet - Page 6

• Manufacturer Part Number: MC33362
• Description: High Voltage Switching Regulator
• Manufacturer: ON Semiconductor

Maximum Power Dissipation versus P.C.B. Copper Length
Figure 17. DW Suffix (SOP−16L) Thermal Resistance and
100
90
80
70
60
50
40
30
4.0
3.2
2.4
1.6
0.8
0
0
Figure 15. Supply Current versus Supply Voltage
8.0
6.0
4.0
2.0
0
10
−50
0
C
I
D
T
= 200 mA
= 390 pF
Figure 13. Power Switch Drain−Source
−25
10
On−Resistance versus Temperature
10
L, LENGTH OF COPPER (mm)
R
qJA
T
0
V
A
CC
, AMBIENT TEMPERATURE (°C)
P
, SUPPLY VOLTAGE (V)
D(max)
Pulse tested at 5.0 ms with < 1.0% duty cycle
so that T
20
25
for T
20
J
is as close to T
A
Printed circuit board heatsink example
50
Graphs represent symmetrical layout
= 50°C
Î Î Î
Î Î Î
L
30
Copper
2.0 oz
L
75
A
30
C
R
Pin 1 = Open
Pin 4, 5, 10, 11,
12, 13 = GND
T
as possible.
A
T
T
40
100
Î Î
Î Î
= 2.0 nF
= 25°C
= 10 k
3.0 mm
125
http://onsemi.com
50
40
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
150
6
Maximum Power Dissipation versus P.C.B. Copper Length
100
100
200
150
100
1.0
10
80
60
40
20
50
0.01
0
Figure 18. P Suffix (DIP−16) Thermal Resistance and
0
0.5
0
L = 12.7 mm of 2.0 oz.
copper. Refer to Figures
17 and 18.
C
OSS
Drain−Source Capacitance versus Voltage
Figure 16. DW and P Suffix Transient
measured at 1.0 MHz with 50 mVpp.
10
V
0.1
P
R
DS
D(max)
Thermal Resistance
Figure 14. Power Switch
qJA
L, LENGTH OF COPPER (mm)
, DRAIN−SOURCE VOLTAGE (V)
5.0
for T
20
A
t, TIME (s)
= 70°C
1.0
Printed circuit board heatsink example
Graphs represent symmetrical layout
L
30
Î Î
Î Î Î Î
Copper
2.0 oz
50
L
10
Î Î Î
Î Î Î
Î Î Î
40
V
T
A
CC
= 25°C
= 20 V
3.0 mm
100
500
50
5.0
4.0
3.0
2.0
1.0
0