mc33463 ON Semiconductor, mc33463 Datasheet - Page 4

• Manufacturer Part Number: mc33463
• Description: Variable Frequency Micropower Dc-to-dc Converter
• Manufacturer: ON Semiconductor

180
160
120
200
160
120
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
80
40
80
40
Figure 7. Lx Switching Current versus Temperature
−40
−40
Figure 5. Oscillator Frequency versus Temperature
−40
0
Figure 3. Quiescent Current versus Temperature
MC33463H−50KT1
V
I
MC33463H−50KT1
V
I
MC33463H−50KT1
V
I
O
O
O
in
in
in
= 10 mA
= 10 mA
= 0 mA
= 3.0 V
= 3.0 V
= 5.5 V
−20
−20
−20
T
T
T
A
A
A
, AMBIENT TEMPERATURE (_C)
, AMBIENT TEMPERATURE (_C)
, AMBIENT TEMPERATURE (_C)
0
0
0
20
20
20
40
40
40
60
60
60
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80
80
80
4
100
0.9
0.8
0.7
0.6
0.5
60
50
40
30
20
10
90
80
70
60
−40
0
−40
−40
Figure 4. Quiescent Current versus Temperature
Figure 8. V
MC33463H−50LT1
V
I
O
MC33463H−50KT1
V
I
in
O
MC33463H−50KT1
V
I
O
in
= 0 mA
in
= 3.0 V
= 10 mA
= 10 mA
= 3.0 V
−20
−20
−20
= 3.0 V
T
Figure 6. Oscillator Duty Ratio
T
T
A
A
A
, AMBIENT TEMPERATURE (_C)
, AMBIENT TEMPERATURE (_C)
, AMBIENT TEMPERATURE (_C)
Lx
Voltage Limit versus Temperature
versus Temperature
0
0
0
20
20
20
40
40
40
60
60
60
80
80
80