MC34163 ON Semiconductor, MC34163 Datasheet - Page 4

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

140
120
100
100
2.8
2.4
2.0
1.6
1.2
1.0
80
60
10
− 55
− 55
0.1
V
T
1) t
2) t
3) t
4) t
5) t
Figure 4. Feedback Comparator 1 Input Bias
A
CC
= 25°C
on
on
on
off
off
= 15 V
, R
, R
, t
, R
, R
Figure 2. Output Switch On−Off Time
− 25
− 25
off
versus Oscillator Timing Capacitor
Figure 6. Bootstrap Input Current
DT
DT
DT
DT
, R
C
= 20 k
= ∞
= ∞
= 20 k
T
DT
Source versus Temperature
, OSCILLATOR TIMING CAPACITOR (nF)
Current versus Temperature
T
= 10 k
T
A
A
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
0
0
1
2
3
4
5
25
25
1.0
50
50
V
Pin 16 = V
CC
V
V
= 15 V
CC
FB1
75
75
= 15 V
= 5.05 V
CC
MC34163, MC33163
+ 5.0 V
100
100
http://onsemi.com
125
125
10
4
− 2.0
− 4.0
− 6.0
1300
1280
1260
1240
1220
1200
2.0
7.6
7.4
7.2
7.0
6.8
− 55
0
− 55
− 55
Figure 5. Feedback Comparator 2 Threshold
V
CC
Figure 3. Oscillator Frequency Change
Figure 7. Bootstrap Input Zener Clamp
= 15 V
− 25
− 25
− 25
I
Voltage versus Temperature
Voltage versus Temperature
Z
T
A
= 25 mA
T
, AMBIENT TEMPERATURE (°C)
T
A
A
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
versus Temperature
0
0
0
25
25
25
V
V
V
th
th
th
Typ = 1250 mV
Max = 1275 mV
Min = 1225 mV
50
50
50
75
75
75
V
C
CC
T
= 620 pF
= 15 V
100
100
100
125
125
125