NCP5005:Compact Backlight Boost LED Driver
The NCP5005 is high efficiency boost converter operating in current loop, based on a PFM mode, to drive White LED. The current mode regulation allows a uniform brightness of the LEDs. The chip has been optimized for small ceramic capacitors, capable to supply up to 1.0 W output power.
技术特性
- 2.7 to 5.5 V Input Voltage Range
- Vout to 24 V Output Compliance allows up to 5 LEDs drive in Series
- Buil-in Overvoltage protection
- Full EMI Immunity
- Inductor Based Converter brings up to 90% Efficiency
- Constant Output Current regulation
- 0.3 µA Stand By Quiescent Current
- Includes Dimming Function (PWM)
- Enable Function Driven Directly from Low Battery Voltage Source
- Automatic LEDs Current Matching
- Thermal Shutdown Protection
- All Pins are Fully ESD Protected
- Low EMI Radiation
|
应用
- LED Display Back Light Control
- Keyboard Back Light
- High Efficiency Step up Converter
封装图 PACKAGE DIMENSIONS
|
评估板信息
| 评估板 |
状况 |
无铅(Pb-free) |
|
| NCP5005GEVB |
Active |
 |
22 V Low EMI White LED Boost Driver Evaluation Board |
订购信息 Ordering Information
| 产品 |
状况 |
Compliance |
具体说明 |
封装 |
MSL* |
容器 |
预算价格 (1千个数量的单价） |
| 类型 |
外形 |
类型 |
数量 |
| NCP5005SNT1G |
Active |
|
Compact Backlight Boost LED Driver |
TSOP-5 / SOT-23-5 |
483 |
1 |
Tape and Reel |
3000 |
$0.4 |
数据资料DataSheet下载
