LT1184CS Linear Technology, LT1184CS Datasheet - Page 9

• Manufacturer Part Number: LT1184CS
• Description: IC SW REG CCFL CONTRAST 16-SOIC
• Manufacturer: Linear Technology

Specifications of LT1184CS

• Applications: Converter, CCFL
• Voltage - Input: 3 ~ 30 V
• Number Of Outputs: 1
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -

TYPICAL PERFORMANCE CHARACTERISTICS
1.2
0.6
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.5
0.9
0.3
0
0
CCFL V
vs Switch Current
0
LCD V
vs Duty Cycle
0
10
0.3
SW
20
SW
SWITCH CURRENT (A)
Current Limit
Sat Voltage
30
DUTY CYCLE (%)
MINIMUM
T = 125 C
0.6
T = 25 C
40
T = 125 C
T = 25 C
50
0.9
60
T = 0 C
W
70
1.2
T = –5 C
LT1182 • G40
LT1182 • G37
80
U
1.5
90
110
100
2.0
1.6
0.8
0.4
1.2
90
80
70
60
50
40
30
20
10
0
0
0
Forced Beta vs I
0
LCD V
vs Switch Current
0.2
0.3
0.4
SW
SWITCH CURRENT (A)
Sat Voltage
0.6
T = 125 C
T = 25 C
CCFL I
0.6
0.8
SW
1.0
SW
LT1182/LT1183/LT1184/LT1184F
on CCFL V
0.9
1.2
(A)
1.4
T = –5 C
1.2
1.6
LT1182 • G38
LT1182 • G41
SW
1.8
1.5
2.0
100
2.0
1.0
2.5
1.5
0.5
90
80
70
60
50
40
30
20
10
0
0
CCFL V
vs Duty Cycle
Forced Beta vs I
0
0
0.2
10
0.4
20
SW
0.6
Current Limit
30
DUTY CYCLE (%)
0.8
LCD I
MINIMUM
40
T = 125 C
T = 25 C
SW
1.0
SW
50
on LCD V
(A)
1.2
60
1.4
T = 0 C
70
1.6
LT1182 • G39
SW
LT1182 • G42
80
1.8
9
90
2.0