CXSU63174是一款高功率高效率的升压转换器，集成了30V场效应管，非常适合LCD面板背光应用。30V输出电压允许8个大功率LED串联，3.5A电感电流限制允许更多LED串并联连接。低的0.5V反馈电压在WLED驱动器应用中提供了更高的效率。从2.7V到21V的宽输入范围使CXSU63174成为各种应用（如LCD显示器和便携式设备）的完美解决方案
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产品概述 返回TOP
The CXSU63174 is the high power and high efficiency boost converter with an integrated 30V FET ideal for LCD panel backlighting applications. 30V output voltage allows for 8 high-power LEDs in series, and 3.5A inductor current limit allows for more LED strings connected in parallel. The low 0.5V feedback voltage offers higher efficiency in WLED driver applications. The wide input range from 2.7V to 21V made CXSU63174 a perfect solution for various applications such as LCD monitor and portable devices. The OVP pin monitors the output voltage to protect IC during open load and FB pin short circuit operations. The CXSU63174 provides the ALS pin to simplify the interface to an ambient light sensor for automatic dimming. The CXSU63174 is available in the thermally enhanced DFN-10 lead 3mmx3mm package.
产品特点 返回TOP
Wide Input Voltage Range from 2.7V to 21V
High Current-Limit up to 3.5A
0.5V Reference Voltage with ±3% System Accuracy
50mΩ Integrated N-FET
Fixed 1.2MHz Switching Frequency
High Efficiency up to 95%
Open-LED Protection
Under-Voltage Lockout Protection
ALS Control Input Pin
Over-Temperature Protection
Low Shutdown Current:<1mA
3mmx3mm DFN-10 Package
Lead Free and Green Devices Available
应用范围 返回TOP
Display Backlighting
Automotive
LCD Monitors
Notebook Displays
Portable Displays
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产品封装图 返回TOP
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| Step-up Converter | ||||||
| Part No. | Input Voltage | Output Voltage | Current MAX | Frequency | Efficiency | Package |
| CXSU63168 | 6V | 20V | 350mA | 1.25MHz | 90% | SOT23-6 |
| CXSU63169 | 6V | 20V/28V/35V | 1A | 1MHz | 90% | SOT23-6 |
| CXSU63170 | 6V | 24V | 2A | 1.5MHz | 90% | SOT23-6 |
| CXSU63171 | 6V | 6V | 2A | 1MHz | 90% | SOT23-6 |
| CXSU63172 | 6V | 20V | 2A | 1.5MHz | 88% | SOT23-5 |
| CXSU63173 | 6V | 20V | 2A | 1.5MHz | 88% | SOT23-6 |
| CXSU63174 | 20V | 30V | 3.5A | 1.2MHz | 95% | DFN-10 |
| CXSU63175 | 6V | --V | --A | 1MHz | 90% | SOP-8/TSSOP-8 |
| CXSU63176 | 6V | 6V | 2A | 1MHz | 95% | SOT23-6 |
| CXSU63177 | 5V | 5V | 2.1A | 1.2MHz | 92% | /DFN-12/QFN-16QFN-16 |
| CXSU63178 | 5V | 5V | 2.1A | 1.2MHz | 92% | ESOP-8 |
| CXSU63179 | 5V | 5V | 6A | 1.2MHz | 92% | ESOP-8 |
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