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8-Port, 5.5V Constant-Current LED Driver with
LED Fault Detection
Typical Operating Characteristics (continued)
(T A = +25 ° C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
15
(INTERFACE IDLE, ALL OUTPUTS ON,
R SET = 360 ? )
T A = +85 ° C
T A = +125 ° C
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 720 ? , V+ = 3.3V)
30
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 360 ? , V+ = 3.3V)
60
12
9
25
20
T A = -40 ° C
T A = +25 ° C
T A = +85 ° C
50
40
T A = -40 ° C
T A = +25 ° C
T A = +85 ° C
6
T A = -40 ° C
T A = +25 ° C
15
10
T A = +125 ° C
30
20
T A = +125 ° C
3
5
10
0
3.0
3.5
4.0
4.5
5.0
5.5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0
0.5
1.0
1.5
2.0
2.5
3.0
SUPPLY VOLTAGE (V)
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 720 ? , V+ = 5.0V)
30
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 360 ? , V+ = 5.0V)
60
26.0
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT vs. SUPPLY
VOLTAGE (R SET = 720 ? , V OUT = 2V)
25
20
T A = -40 ° C
T A = +25 ° C
50
40
T A = -40 ° C
T A = +25 ° C
25.5
T A = +125 ° C
T A = +85 ° C
T A = +85 ° C
T A = +85 ° C
15
10
T A = +125 ° C
30
20
T A = +125 ° C
25.0
T A = -40 ° C
T A = +25 ° C
24.5
5
10
0
0
24.0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.0
3.5
4.0
4.5
5.0
5.5
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT VOLTAGE (V)
SUPPLY VOLTAGE (V)
52
PORT OUTPUT CURRENT vs. SUPPLY
VOLTAGE (R SET = 360 ? , V OUT = 2V)
50
PORT OUTPUT CURRENT
vs. SET RESISTANCE
51
T A = +125 ° C
T A = +85 ° C
40
30
50
49
48
T A = -40 ° C
T A = +25 ° C
20
10
0
3.0
3.5
4.0
4.5
5.0
5.5
0
500
1000
1500
2000
2500
SUPPLY VOLTAGE (V)
SET RESISTANCE ( ? )
_______________________________________________________________________________________
5
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MAX6977AEE 制造商:Maxim Integrated Products 功能描述:8-PORT, 5.5V CONSTANT-CURRENT LED DRIVER WITH - Rail/Tube
MAX6977APE 功能描述:LED照明驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX6977APE+ 功能描述:LED照明驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
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MAX6977AUE+ 功能描述:LED照明驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
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