高压市电单片高效率LED恒流驱动器芯片 XL5003
| 价 格： | 面议 | |
| 型号/规格： | XL5003 | |
| 品牌/商标： | XLSEMI |
| 高压市电单片高效率LED恒流驱动器芯片 | ||||||
| 产品型号 | 输入电压 | 输出LED串联 | 输出电流 | 开关频率 | 恒流设置 | 封装形式 |
| XL5002 | 80V ~ 400V | 1 ~ 5串 | 0.5A | PFM | 0.1V | SOP8L |
| XL5003 | 80V ~ 400V | 3 ~ 7串 | 0.5A | PFM | 0.2V | SOP8L |
| XL5004 | 80V ~ 400V | 8~ 14串 | 0.5A | PFM | 0.2V | SOP8L |
Features
n Operate from a rectified 85V~265V AC
mains supply.
n 0.2V current sense voltage reference.
n Directly drive 3~7 series 1W LED.
n Excellent line and load regulation.
n Internal optimize power HV-MOSFET.
n Built in thermal shutdown function.
n Built in UVLO function.
n Built in current limiting function.
n Built in LED open & short protection.
n Built in soft-start circuit.
n Support without electrolytic capacitor
System solution.
n Available in SOIC-8 package.
n PF > 0.9 (Power Factor) with suitable
External components.
Applications
n E27, GU10, GU5.3, B22 lamp device
n LED daylight lamp
n LED Lighting & LED LAMP
n General purpose lighting
General Description
The XL5003 is a monolithic high voltage
switching regulator with PFM that is
specifically designed to operate from a
rectified 85V~265V AC mains supply.
The XL5003 is a high efficiency LED driver
switching regulator. The LED string is driven
at DC constant current rather than constant
voltage, thus providing constant current
output and enhanced reliability.
Figure1. Package Type of XL5003
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