MC33232
110
109
VCC = 12 V
108
107
106
−50 −25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 2. Overvoltage Comparator Input
Threshold versus Temperature
20
18
Startup Threshold
(VCC Increasing)
16
14
12
Minimum Operating Threshold
(VCC Decreasing)
10
8
−50 −25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Undervoltage Lockout Thresholds
versus Temperature
1200
20
VCC = 12 V
1100
10
Pins 1 to 2
1000
0
900
−10
800
−20
700
−50
−25
0
25
50
75
100
−50 −25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
TA, AMBIENT TEMPERATURE (°C)
Figure 4. Voltage Feedback Input Threshold
Change versus Temperature
Figure 5. Restart Timer Delay
versus Temperature
2
VCC = 12 V
0
−2
Sink Saturation
(Load to Ground)
Source Saturation
(Load to VCC)
−4
0
80
160
240
320
IO, OUTPUT LOAD CURRENT (mA)
Figure 6. Output Saturation Voltage
versus Load Current
1.7
Upper Threshold
VCC = 12 V
1.6
(Vin Increasing)
1.5
1.4
Lower Threshold
(Vin Decreasing)
1.3
−50 −25
0
25
50
75
100
TA, AMBIENT TEMPERATURE (°C)
Figure 7. Zero Current Detector Input
Threshold versus Temperature
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