MC34163 ON Semiconductor, MC34163 Datasheet - Page 6

• Manufacturer Part Number: MC34163
• Description: (MC33163 / MC33163) Step-Up/Down/Inverting Switching Regulators
• Manufacturer: ON Semiconductor

3.0
2.6
2.2
1.8
1.4
1.0
− 55
8.0
6.0
4.0
2.0
0
0
Pin 16 = V
Figure 16. Minimum Operating Supply
Pin 16 Open
− 25
Voltage versus Temperature
Figure 14. Standby Supply Current
CC
T
A
, AMBIENT TEMPERATURE (°C)
0
10
versus Supply Voltage
V
CC
25
, SUPPLY VOLTAGE (V)
C
Pins 7,8 = V
Pins 4, 14 = GND
Pin 9 = 1.0 kW to 15 V
Pin 10 = 100 W to 15 V
Maximum Power Dissipation versus P.C.B. Copper Length
T
Figure 18. DW Suffix (SOP−16L) Thermal Resistance and
= 620 pF
20
100
50
90
80
70
60
50
40
30
0
CC
75
Pins 7, 8, 16 = V
Pins 4, 6, 14 = GND
Remaining Pins Open
T
A
= 25°C
30
10
100
MC34163, MC33163
R
L, LENGTH OF COPPER (mm)
qJA
http://onsemi.com
125
CC
20
40
P
Graph represents symmetrical layout
D(max)
L
6
Î Î Î
Î Î Î
Î Î Î
Copper
2.0 oz.
100
80
60
40
20
for T
L
0
30
0
Figure 17. P Suffix (DIP−16) Thermal Resistance
7.2
6.4
5.6
4.8
4.0
A
− 55
= 50°C
Î Î Î
and Maximum Power Dissipation
40
10
Î Î Î Î
Î Î
− 25
Figure 15. Standby Supply Current
versus P.C.B. Copper Length
P
R
D(max)
3.0 mm
qJA
L, LENGTH OF COPPER (mm)
T
A
, AMBIENT TEMPERATURE (°C)
for T
versus Temperature
0
20
50
A
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
= 70°C
25
Printed circuit board heatsink example
Graphs represent symmetrical layout
Î Î Î
L
Î Î Î
Î Î Î
30
Copper
2.0 oz
50
L
V
Pins 7, 8, 16 = V
Pins 4, 6, 14 = GND
Remaining Pins Open
CC
= 15 V
75
40
Î Î
Î Î
Î Î
3.0 mm
100
CC
50
5.0
4.0
3.0
2.0
1.0
0
125