LT1186F 查看數據表（PDF） - Linear Technology
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LT1186F Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
ICCFL Summing Voltage
vs Temperature
0.53
0.52
0.51
0.50
0.49
0.48
0.47
0.46
0.45
0.44
0.43
0.42
0.41
0.40
0.39
0.38
–75 – 50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G07
∆CCFL VC Source Current for
∆ICCFL Programming Current
vs Temperature
5.10
5.05
5.00
ICCFL = 100µA
4.95
ICCFL = 50µA
ICCFL = 10µA
4.90
4.85
4.80
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G10
VC to DIO Current Servo
Ratio vs Temperature
103
102
101
I(DIO) = 10mA
100 I(DIO) = 1mA
99
I(DIO) = 5mA
98
97
96
95
–75 – 50–25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G13
ICCFL Summing Voltage
Load Regulation
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
0
T = –55°C
T = 25°C
T = 125°C
20 40 60 80 100 120 140 160 180 200
ICCFL PROGRAMMING CURRENT (µA)
LT1186F • G08
Positive DIO Voltage
vs Temperature
1.2
1.0
I(DIO) = 10mA
0.8
I(DIO) = 5mA
0.6
I(DIO) = 1mA
0.4
0.2
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G11
VC Low Clamp Voltage
vs Temperature
0.30
0.25
0.20
0.15
0.10
0.05
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G14
LT1186F
VC Sink Offset Current
vs Temperature
10
9
8
CCFL VC = 1.5V
7
6
5
CCFL VC = 1.0V
4
3
2
1
0
CCFL VC = 0.5V
–1
–2
–3
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G09
Negative DIO Voltage
vs Temperature
1.6
1.4
I(DIO) = 10mA
1.2
1.0
I(DIO) = 5mA
0.8
I(DIO) = 1mA
0.6
0.4
0.2
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G12
VC High Clamp Voltage
vs Temperature
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1186F • G15
5
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