ncp3163 ON Semiconductor, ncp3163 Datasheet - Page 5

• Manufacturer Part Number: ncp3163
• Description: 3.4 A, Stepup/down/inverting 50300 Khz Switching Regulator
• Manufacturer: ON Semiconductor

- 2.0
- 4.0
- 6.0
140
120
100
2.0
80
60
- 55
- 55
0
Temperature when only C
Figure 6. Feedback Comparator 1 Input Bias
Figure 4. Oscillator Frequency Change vs.
- 25
- 25
T
A
Current vs. Temperature
T
, AMBIENT TEMPERATURE (°C)
A
, AMBIENT TEMPERATURE (°C)
0
0
25
25
T
300
250
200
150
100
50
is connected to Pin 6
50
50
0
Figure 3. Oscillator Frequency vs. Timer
V
V
CC
FB1
75
75
100
= 15 V
V
C
= 5.05 V
CC
T
= 620 pF
C
= 15 V
100
100
T
200
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, TIMER CAPACITANCE (pF)
Capacitance (C
R
125
125
t
= open
300
5
Temperature when C
400
- 2.0
- 4.0
- 6.0
- 8.0
- 10
1300
1280
1260
1240
1220
1200
4.0
2.0
0
- 50
- 55
T
R
Figure 5. Oscillator Frequency Change vs.
Figure 7. Feedback Comparator 2 Threshold
)
t
= 15 kW
V
500
CC
= 15 V
- 25
- 25
V
T
A
CC
= 25°C
600
= 15 V
Voltage vs. Temperature
T
0
A
, AMBIENT TEMPERATURE (°C)
0
700
TEMPERATURE (°C)
T
and R
25
25
T
V
V
V
are connected to Pin 6
th
th
th
50
Max = 1275 mV
Typ = 1250 mV
Min = 1225 mV
50
75
75
V
C
R
CC
T
T
= 230 pF
= 20 kW
100
100
= 15 V
125
125