XC9248
Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(8) Stand-by Current vs. Ambient Temperature
(9) Lx SW"L" ON Resistance vs. Ambient Temperature
XC9248
XC9248
0.20
45
40
35
30
25
20
15
10
5
0.18
0.16
0.14
0.12
VIN=4.5V
VIN=12V
VIN=18V
0.10
0.08
0.06
VIN=4.5V
VIN=12V
VIN=18V
0
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
125
125
Ambient Temperature :Ta[℃]
Ambient Temperature :Ta[℃]
(10) Lx "L" Current vs. Ambient Temperature
XC9248
(11) EN "H" Current vs. Ambient Temperature
XC9248
1.0
0.8
30
VIN=4.5V
VIN=12V
VIN=18V
25
20
15
10
5
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
VIN=4.5V
VIN=12V
VIN=18V
0
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
Ambient Temperature :Ta[℃]
Ambient Temperature :Ta[℃]
(12) EN "H" Voltage vs. Ambient Temperature
XC9248
(13) EN "L" Voltage vs. Ambient Temperature
XC9248
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.4
1.2
1.0
0.8
0.6
VIN=4.5V
VIN=4.5V
VIN=12V
VIN=18V
0.4
0.2
0.0
VIN=12V
VIN=18V
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
125
Ambient Temperature :Ta[℃]
Ambient Temperature :Ta[℃]
(14) Internal Soft-Start Time vs. Ambient Temperature
(15) SS Terminal Current vs. Ambient Temperature
XC9248
XC9248
4.0
6.0
5.5
5.0
4.5
4.0
3.5
3.5
3.0
2.5
2.0
VIN=4.5V
VIN=4.5V
3.0
VIN=12V
VIN=12V
1.5
VIN=18V
2.5
2.0
VIN=18V
1.0
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
Ambient Temperature :Ta[℃]
Ambient Temperature :Ta[℃]
17/21
TOREX [ Torex Semiconductor ]
