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参数资料
| 型号： | MAX1985ETP |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 显示驱动器 |
| 英文描述： | Ultra-High-Efficiency White LED Drivers |
| 中文描述： | LED DISPLAY DRIVER, QCC20 |
| 封装： | 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGD-1, QFN-20 |
| 文件页数： | 6/17页 |
| 文件大小： | 333K |
| 代理商： | MAX1985ETP |
M
Ultra-High-Efficiency White
LED Drivers
6
_______________________________________________________________________________________
Typical Operating Characteristics
(Circuit of Figure 1; V
IN
= 3.3V, SETI = IN, MODE = IN, T
A
= +25
°
C, unless otherwise noted.)
STEP-UP REGULATOR EFFICIENCY
vs. LED CURRENT (8 LEDs)
M
LED CURRENT (mA)
E
20
15
10
5
60
70
80
90
100
50
0
25
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
STEP-UP REGULATOR EFFICIENCY
vs. LED CURRENT (6 LEDs)
M
LED CURRENT (mA)
E
20
15
10
5
60
70
80
90
100
50
0
25
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
STEP-UP REGULATOR EFFICIENCY
vs. LED CURRENT (4 LEDs)
M
LED CURRENT (mA)
E
20
15
10
5
60
70
80
90
100
50
0
25
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
STEP-UP REGULATOR EFFICIENCY
vs. INPUT VOLTAGE (25mA LED CURRENT)
M
INPUT VOLTAGE (V)
E
5.0
4.5
4.0
3.5
3.0
85
90
95
100
80
2.5
5.5
8 LEDs
6 LEDs
4 LEDs
STEP-UP REGULATOR EFFICIENCY
vs. INPUT VOLTAGE (4mA LED CURRENT)
M
INPUT VOLTAGE (V)
E
5.0
4.5
4.0
3.5
3.0
60
70
80
90
100
50
2.5
5.5
8 LEDs
6 LEDs
4 LEDs
TOTAL EFFICIENCY
vs. LED CURRENT (8 LEDs)
M
LED CURRENT (mA)
E
20
15
10
5
60
70
80
90
100
50
0
25
η
TOTAL
=
V
LEDi
x I
LEDi
i = 1
INPUT_POWER
η
Σ
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
TOTAL EFFICIENCY
vs. LED CURRENT (6 LEDs)
M
LED CURRENT (mA)
E
20
15
10
5
60
70
80
90
100
50
0
25
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
η
TOTAL
=
V
LEDi
x I
LEDi
i = 1
INPUT_POWER
η
TOTAL EFFICIENCY
vs. LED CURRENT (4 LEDs)
M
LED CURRENT (mA)
E
20
15
10
5
60
70
80
90
100
50
0
25
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
η
TOTAL
=
V
LEDi
x I
LEDi
i = 1
INPUT_POWER
η
TOTAL EFFICIENCY vs. INPUT VOLTAGE
(25mA LED CURRENT)
M
INPUT VOLTAGE (V)
E
5.0
4.5
4.0
3.5
3.0
60
70
80
90
100
50
2.5
5.5
8 LEDs
6 LEDs
4 LEDs
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1986ETE | Ultra-High-Efficiency White LED Drivers |
| MAX1994ETM | Dual Step-Down Controllers Plus Linear- Regulator Controller for Notebook Computers |
| MAX1816 | Replaced by TMS320VC5506 : Digital Signal Processors 144-LQFP |
| MAX1816ETM | Replaced by TMS320VC5506 : Digital Signal Processors 144-LQFP |
| MAX199AEWI | Fixed-Point Digital Signal Processor 532-FCBGA |
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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