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SLVS795B – OCTOBER 2008 – REVISED DECEMBER 2008
TYPICAL CHARACTERISTICS (continued)
SS/TR DISCHARGE CURRENT vs JUNCTION
TEMPERATURE
120
V
I
= 12 V
SWITCHING FREQUENCY vs VSENSE
100
V
I
= 12 V,
T
J
= 25°C
80
115
% of Nominal fsw
-25
0
25
50
75
100
T
J
- Junction Temperature - °C
125
150
I
I(SS/TR)
-
m
A
60
110
40
105
20
100
-50
0
0
0.2
0.4
V
SENSE
- V
0.6
0.8
Figure 13.
SHUTDOWN SUPPLY CURRENT vs JUNCTION
TEMPERATURE
2
V
I
= 12 V
1.5
Figure 14.
SHUTDOWN SUPPLY CURRENT vs INPUT VOLTAGE (V
in
)
2
T
J
= 25°C
1.5
I
(VIN)
-
m
A
1
I
(VIN)
-
m
A
-25
0
25
50
75
100
T
J
- Junction Temperature - °C
125
150
1
0.5
0.5
0
-50
0
0
10
20
30
40
V
I
- Input Voltage - V
50
60
Figure 15.
VIN SUPPLY CURRENT vs JUNCTION TEMPERATURE
140
V
I
= 12 V,
V
I(VSENSE)
= 0.83 V
130
130
140
T
J
= 25 C,
V
I(VSENSE)
= 0.83 V
o
Figure 16.
VIN SUPPLY CURRENT vs INPUT VOLTAGE
I
(VIN)
-
m
A
110
I
(VIN)
-
m
A
120
120
110
100
100
90
-50
90
-25
0
25
50
75
100
T
J
- Junction Temperature - °C
125
150
0
20
40
V
I
- Input Voltage - V
60
Figure 17.
Figure 18.
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