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参数资料
| 型号： | MAX8790AETP+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/23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： | 2,500 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 6 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1MHz |
| 电源电压： | 4.5 V ~ 5.5 V，5.5 V ~ 26 V |
| 输出电压： | 5V |
| 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： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
Six-String White LED Driver with Active
Current Balancing for LCD Panel Applications
Typical Operating Characteristics (continued)
(Circuit configuration 1, V IN = 12V, V SHDN = V IN , LEDs = 8 series x 6 parallel strings, ISET = V CC , T A = +25°C, unless otherwise noted.)
SWITCHING WAVEFORMS
(BRT = 15%, ANALOG DIMMING)
MAX8790A toc10
STARTUP WAVEFORMS
(BRT = 100%, DPWM DIMMING)
MAX8790A toc11
SHDN
LED CURRENT WAVEFORMS
(BRT = 50% AT 200Hz, DPWM DIMMING)
MAX8790A toc12
BRT
0V
5V/div
0V
5V/div
V LX
10V/div
0V
V OUT
20V/div
0V
V FB1
5V/div
0V
I L
500mA/div
V CCV
0V 2V/div
I L
I LED
0mA 100mA/div
I L
1 μ s/div
0mA
4ms/div
0A
1A/div
2ms/div
0A
1A/div
LED CURRENT WAVEFORMS
(BRT = 1% AT 200Hz, DPWM DIMMING)
MAX8790A toc13
BRT
LED CURRENT WAVEFORMS
(BRT = 50% AT 200Hz, ANALOG DIMMING)
MAX8790A toc14
BRT
0V
0V
5V/div
V FB1
5V/div
0V
0V
5V/div
V FB1
1V/div
I LED
0mA 100mA/div
I L
I LED
0mA 50mA/div
I L
0A
1A/div
0A
1A/div
1ms/div
LED CURRENT WAVEFORMS
(BRT = 1% AT 200Hz, ANALOG DIMMING)
MAX8790A toc15
BRT
1ms/div
LED-OPEN FAULT PROTECTION
(BRT = 100%, LED OPEN ON FB3)
MAX8790A toc16
V FB3
0V
0V
5V/div
V FB1
2V/div
0V
0V
1V/div
V FB1
10V/div
I LED
0mA 50mA/div
I L
V OUT
0V 20V/div
I L
1ms/div
0mA
500mA/div
20ms/div
0A
1A/div
_______________________________________________________________________________________
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相关PDF资料 |
PDF描述 |
|---|---|
| MAX8790ETP+T | IC LED DRVR WHITE BCKLGT 20-TQFN |
| MAX8791GTA+ | IC MOSFET DRIVER 8-TQFN |
| MAX8811EEE+ | IC DRVR DL PHASE HS 16-QSOP |
| MAX8821ETI+ | IC LED DRVR WHITE BCKLGT 28-TQFN |
| MAX8822ETE+T | IC LED DRVR WHITE BCKLGT 16-TQFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8790AEVKIT+ | 功能描述:LED 照明开发工具 MAX8790A Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX8790ETP+ | 功能描述:LED照明驱动器 Six-String 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 |
| MAX8790ETP+T | 功能描述:LED照明驱动器 Six-String 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 |
| MAX8790EVKIT+ | 功能描述:LED 照明开发工具 RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX8791AGTA+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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