LT1183 Linear Technology, LT1183 Datasheet - Page 5

• Manufacturer Part Number: LT1183
• Description: CCFL/LCD Contrast Switching Regulators
• Manufacturer: Linear Technology

TYPICAL PERFORMANCE CHARACTERISTICS
14
13
12
11
10
95
93
91
89
85
83
81
79
77
75
87
6
5
4
3
2
1
0
9
8
7
6
5
4
–75
–75
–75
Shutdown Input Bias Current
vs Temperature
LT1182/LT1183 Supply Current
vs Temperature
CCFL Duty Cycle vs Temperature
– 50
–50
– 50
–25
– 25
–25 0
V
IN
TEMPERATURE ( C)
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
= 30V
25
25
25 50 75 100
V
V
IN
IN
50
50
= 3V
V
= 30V
IN
= 3V
75
75
100
100
V
IN
W
= 5V
125
125
125 150
LT1182 • G07
LT1182 G04
LT1182 G01
150
150
U
175
175
175
1.2
1.1
1.0
0.9
0.8
0.7
0.6
240
230
220
210
200
190
180
170
160
10
9
8
7
5
4
3
2
1
0
6
–75
–75
–75
LCD Frequency vs Temperature
LT1184/LT1184F Supply Current
vs Temperature
Shutdown Threshold Voltage
vs Temperature
– 50
–50
– 50
V
IN
V
–25
–25
–25
= 30V
IN
= 3V
TEMPERATURE ( C)
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
0
V
V
25
25
IN
IN
25
= 3V
= 30V
50
50
50
LT1182/LT1183/LT1184/LT1184F
75
75
75
100
100
100
125
125
125
LT1182 • G08
LT1182 G05
150
LT1182 G02
150
150
175
175
175
100
240
230
220
200
190
180
170
160
210
8O
90
70
50
40
30
20
10
95
93
91
89
87
85
83
81
79
77
75
60
0
–75
–75
–75
LCD Duty Cycle vs Temperature
Shutdown Current
vs Temperature
CCFL Frequency vs Temperature
–50
– 50
–50
V
–25
– 25
V
–25 0
IN
IN
= 3V
= 30V
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
0
25
25 50 75 100
V
25
V
V
IN
IN
IN
= 3V
= 5V
= 30V
50
50
75
75
100
100
125
125
125 150
LT1182 • G06
LT1182 • G09
LT1182 G03
150
150
5
175
175
175