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SLUS890 – DECEMBER 2008
TYPICAL CHARACTERISTICS (continued)
CURRENT SENSE CURRENT
vs
JUNCTION TEMPERATURE
14
13
SWITCHING FREQUENCY
vs
INPUT VOLTAGE
500
TONSEL = GND
I
TRIP
- Current Sense Current -
mA
f
SW
- Swithching Frequency - kHz
400
12
11
10
9
8
7
6
300
CH2
200
CH1
100
0
-
50
0
50
100
150
6
8
10
12
14
16
18
20
22
24
26
T
J
- Junction Temperature - °C
V
IN
- Input Voltage - V
Figure 9.
SWITCHING FREQUENCY
vs
INPUT VOLTAGE
500
TONSEL = 2V
f
SW
- Swithching Frequency - kHz
f
SW
- Swithching Frequency - kHz
500
TONSEL = 3.3V
400
Figure 10.
SWITCHING FREQUENCY
vs
INPUT VOLTAGE
400
CH2
CH2
300
300
CH1
200
200
CH1
100
100
0
6
8
10
12
14
16
18
20
22
24
26
V
IN
- Input Voltage - V
0
6
8
10
12
14
16
18
20
22
24
26
V
IN
- Input Voltage - V
Figure 11.
Figure 12.
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