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AP8800A
COST EFFECTIVE 28V BUCK 1-W LED DRIVER
Description
The AP8800A is a step-down DC/DC converter designed to drive
LEDs with a constant current. The device can drive up to 7 LEDs,
depending on the forward voltage of the LEDs, in series from a
Pin Assignments
(Top View)
voltage source of 8V to 28V. Series connection of the LEDs provides
identical LED currents resulting in uniform brightness and eliminating
the need for ballast resistors. The AP8800A switches at frequency up
to 600kHz. This allows the use of small size external components,
SW
GND
CTRL
1
2
3
5
4
V IN
SET
hence minimizing the PCB area needed.
Maximum output current of AP8800A is set via an external resistor
connected between the V IN and SET input pins. Dimming is achieved
by applying either a DC voltage or a PWM signal at the CTRL input
pin. An input voltage of 0.2V or lower at CTRL switches off the output
MOSFET simplifying PWM dimming.
Features
Applications
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LED driving current up to 370mA
Better than 5% accuracy
High efficiency up to 95%
Operating input voltage from 8V to 28V
Simple, versatile solution requiring only 4 components
PWM/DC input for dimming control
Built-in output open-circuit protection
TSOT25: Available in “Green” Molding Compound (No Br, Sb)
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MR16 Lamps
General Illumination Lamps
with lead Free Finish/ RoHS Compliant
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen and Antimony free, "Green" and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)
and <1000ppm antimony compounds.
Typical Applications Circuit
AP8800A
Document number: DS35100 Rev. 3 - 2
1 of 13
www.diodes.com
August 2012
? Diodes Incorporated
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相关代理商/技术参数
AP8800EV1 功能描述:AP8800 1, Non-Isolated Output LED Driver Evaluation Board 制造商:diodes incorporated 系列:- 零件状态:有效 电流 - 输出/通道:300mA 输出和类型:1，非隔离 电压 - 输出:- 特性:可调光 电压 - 输入:8 V ~ 28 V 所含物品:板 使用的 IC/零件:AP8800 标准包装:1
AP8800EV2 功能描述:AP8800 1, Non-Isolated Output LED Driver Evaluation Board 制造商:diodes incorporated 系列:- 零件状态:有效 电流 - 输出/通道:300mA 输出和类型:1，非隔离 电压 - 输出:- 特性:可调光 电压 - 输入:8 V ~ 28 V 所含物品:板 使用的 IC/零件:AP8800 标准包装:1
AP8800FNG-7 功能描述:LED照明驱动器 28V, 350mA LED DC/DC Converter 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
AP8800M8G-13 功能描述:LED照明驱动器 28V, 350mA LED DC/DC Converter 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
AP8800SG-13 功能描述:LED照明驱动器 28V, 350mA LED DC/DC Converter 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
AP8800SG-13-CUT TAPE 制造商:DIODES 功能描述:AP8800 Series 350 mA 28 V 600 kHz SMT LED Step-Down Converter - SOIC-8L
AP8801 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:500mA LED Step-Down Converter
AP8801_0912 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:500mA LED Step-down Converter