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参数资料
| 型号： | MAX1985ETP+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/17页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 6 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 800kHz ~ 1.2MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
Ultra-High-Efficiency White
LED Drivers
Typical Operating Characteristics
(Circuit of Figure 1; V IN = 3.3V, SETI = IN, MODE = IN, T A = +25 ° C, unless otherwise noted.)
100
STEP-UP REGULATOR EFFICIENCY
vs. LED CURRENT (8 LEDs)
100
STEP-UP REGULATOR EFFICIENCY
vs. LED CURRENT (6 LEDs)
100
STEP-UP REGULATOR EFFICIENCY
vs. LED CURRENT (4 LEDs)
90
V IN = 3.6V
90
V IN = 3.6V
90
V IN = 3.6V
80
V IN = 3.0V
V IN = 4.2V
80
V IN = 3.0V
V IN = 4.2V
80
V IN = 4.2V
70
60
50
70
60
50
70
60
50
V IN = 3.0V
0
5
10
15
20
25
0
5
10
15
20
25
0
5
10
15
20
25
100
95
LED CURRENT (mA)
STEP-UP REGULATOR EFFICIENCY
vs. INPUT VOLTAGE (25mA LED CURRENT)
100
90
LED CURRENT (mA)
STEP-UP REGULATOR EFFICIENCY
vs. INPUT VOLTAGE (4mA LED CURRENT)
100
90
LED CURRENT (mA)
TOTAL EFFICIENCY
vs. LED CURRENT (8 LEDs)
90
80
8 LEDs
80
8 LEDs
70
6 LEDs
70
85
6 LEDs
4 LEDs
60
4 LEDs
60
V IN = 3.0V
V IN = 3.6V
V IN = 4.2V
η TOTAL =
η
Σ V LEDi x I LEDi
i =1
INPUT_POWER
80
50
50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
5
10
15
20
25
INPUT VOLTAGE (V)
TOTAL EFFICIENCY
vs. LED CURRENT (6 LEDs)
INPUT VOLTAGE (V)
TOTAL EFFICIENCY
vs. LED CURRENT (4 LEDs)
LED CURRENT (mA)
TOTAL EFFICIENCY vs. INPUT VOLTAGE
(25mA LED CURRENT)
100
90
V IN = 3.6V
V IN = 3.0V
100
90
V IN = 3.0V
V IN = 3.6V
100
90
V IN = 4.2V
80
80
80
8 LEDs
70
V IN = 4.2V
70
70
6 LEDs
60
η TOTAL =
η
Σ V LEDi x I LEDi
i =1
INPUT_POWER
60
η TOTAL =
η
Σ V LEDi x I LEDi
i =1
INPUT_POWER
60
4 LEDs
50
0
5
10
15
20
25
50
0
5
10
15
20
25
50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
LED CURRENT (mA)
LED CURRENT (mA)
INPUT VOLTAGE (V)
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1985ETP+ | 功能描述:LED照明驱动器 High-Efficiency White 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 |
| MAX1985ETP+T | 功能描述:LED照明驱动器 High-Efficiency White 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 |
| MAX1985ETP-T | 功能描述:LED照明驱动器 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 |
| MAX1985EVKIT | 功能描述:电源管理IC开发工具 MAX1985 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX1986ETE | 功能描述:LED照明驱动器 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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