Diodes Incorporated — Analog and discrete power solutions
SOT25

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. SOT25

MSOP-8EP

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. MSOP-8EP

SOT25

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. SOT25

MSOP-8EP

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. MSOP-8EP

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AL8807 (Chinese Version) (NRND)

NRND = Not Recommended for New Design

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Description

AL8807 是一款降压直流/直流转换器,能以恒流驱动发光二极
管 (LED)。这款器件可因应 LED 的正向电压,驱动多至 9 个
来自 6V 至 36V 电压源的串联 LED。串联连接的 LED 可提供
相同的 LED 电流,实现统一的亮度和避免设置镇流管电阻器
的需要。AL8807 的交换效率高至 1MHz,升降时间都得到控
制,可减少电磁干扰。这种特性让设计员可以使用小型的外部
元件,从而减少所需的印刷电路板面积。 
 
AL8807的最大输出电流通过连接于 VIN和 SET输入接脚之间
的外部电阻器来设定。调光功能可通过把直流电压或脉冲宽度
调制 (PWM) 信号引入 CTRL 输入接脚来实现。CTRL 中的输
出 MOSFET 以 0.4V 或以下的输入电输来关掉,有效简化
PWM 调光。 
 

Feature(s)

• LED驱动电流高至1.3A (MSOP-8EP) 
• 精度大于5% 
• 效率高至96% 
• 交换速度得到最佳控制 
• 操作输入电压介于6V和36V之间 
• 用于调光控制的脉冲宽度调制/直流输入 
• 内置输出开路保护电路 
• 无铅、符合欧盟Rohs标准(见注1和2) 
• 无卤素和锑的属 “绿色”产品(见注3) 

 

Application(s)

  • MR16灯 
  • 通用照明灯 
  • 12V功率 LED灯 
  • 24V功率 LED灯

Specifications & Technical Documents

Product Parameters

AEC-Q100 Grade No
Dimming (Analog) Yes
Dimming (PWM) Yes
Efficiency (%) 98
LED Current Accuracy (%) 5
MaximumInput Voltage (V) 36
Maximum LED Current (A) 1.3
Maximum Output Voltage (V) 36
MinimumInput Voltage (V) 6
OperatingTemperatureRange  (°C) -40 to 125
AEC Qualified Yes
Sense/Feedback Voltage (mV) 100
Switching Frequency Maximum (kHz) 1000
Topologies (Boost) No
Topologies (Buck-Boost) No
Topologies (Buck) Yes

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