MC33232
http://onsemi.com
8
Figure 2. Overvoltage Comparator Input
Threshold versus Temperature
Figure 3. Undervoltage Lockout Thresholds
versus Temperature
Figure 4. Voltage Feedback Input Threshold
Change versus Temperature
Figure 5. Restart Timer Delay
versus Temperature
-50
110
T
A
, AMBIENT TEMPERATURE (°C)
109
107
106
-25 0 25 50 100
V
108
-50
T
A
, AMBIENT TEMPERATURE (°C)
10
-10
-20
-25 0 25 50 75 100
, VOLTAGE FEEDBACK
0
-50
1200
T
A
, AMBIENT TEMPERATURE (°C)
1000
900
800
700
-25 0 25 50 75 100
t
75
-50
20
T
A
, AMBIENT TEMPERATURE (°C)
18
14
12
10
8
-25 0 25 50 100
V
16
75
20
1100
Figure 6. Output Saturation Voltage
versus Load Current
Figure 7. Zero Current Detector Input
Threshold versus Temperature
0
I
O
, OUTPUT LOAD CURRENT (mA)
2
0
-2
-4
80 160 240 320
V
-50
1.7
T
A
, AMBIENT TEMPERATURE (°C)
1.5
1.4
1.3
-25 0 25 50 75 100
V
1.6
, OVERVOLTAGE INPUT THRESHOLD
(% V )
FB
FB (0 V)
V
CC
= 12 V
, SUPPLY VOLTAGE (VOLTS)
CC
Minimum Operating Threshold
(V
CC
Decreasing)
Startup Threshold
(V
CC
Increasing)
THRESHOLD CHANGE (mV)
V
V
CC
= 12 V
Pins 1 to 2
FB
, RESTART TIME DELAY ( s)
DLY
m
, OUTPUT SATURATION VOLTAGE (V)
SAT
V
CC
= 12 V
Sink Saturation
(Load to Ground)
Source Saturation
(Load to V
CC
)
, THRESHOLD VOLTAGE (VOLTS)
th
V
CC
= 12 V
Lower Threshold
(V
in
Decreasing)
Upper Threshold
(V
in
Increasing)
