MC33260
Vcontrol : REGULATION BLOCK OUTPUT (V)
Vcontrol : REGULATION BLOCK OUTPUT (V)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
20
40
60
80 100 120 140 160 180 200 220 240
Ipin1: FEEDBACK CURRENT (µA)
– 40°C
25°C
105°C
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
185
190
195
200
205
210
Ipin1: FEEDBACK CURRENT (µA)
– 40°C
25°C
105°C
Figure 1. Regulation Block Output versus
Feedback Current
Figure 2. Regulation Block Output versus
Feedback Current
1.340
MAXIMUM OSCILLATOR SWING (V)
FEEDBACK INPUT VOLTAGE (V)
1.335
1.330
1.325
1.320
1.315
1.310
1.305
1.300
–40
–20
0
20
40
60
80
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
20
40
60
80 100 120 140 160 180 200 220 240
JUNCTION TEMPERATURE (°C)
Ipin1: FEEDBACK CURRENT (µA)
– 40°C
25°C
105°C
Figure 3. Maximum Oscillator Swing versus
Temperature
Figure 4. Feedback Input Voltage versus
Feedback Current
I osc–ch , OSCILLATOR CHARGE CURRENT (
m
A)
500
450
400
350
300
250
200
150
100
50
0
0
20
40
60
80 100 120 140 160 180 200 220 240
Ipin1: FEEDBACK CURRENT (µA)
– 40°C
25°C
105°C
I osc–ch , OSCILLATOR CHARGE CURRENT (
m
A)
410
Ipin1 = 200
m
A
405
400
395
390
385
–40
–20
0
20
40
60
80
100
JUNCTION TEMPERATURE (°C)
Figure 5. Oscillator Charge Current versus
Feedback Current
Figure 6. Oscillator Charge Current versus
Temperature
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