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AP8800
350mA LED STEP-DOWN CONVERTER
Description
The AP8800 is a step-down DC/DC converter designed to drive LEDs
with a constant current. The device can drive up to seven LEDs,
depending on the forward voltage of the LEDs, in series from a
voltage source of 8V to 28V. Series connection of the LEDs provides
Pin Assignments
SO-8
( Top View )
identical LED currents resulting in uniform brightness and eliminates
CTRL 1
8
SET
the need for ballast resistors. The AP8800 switches at frequency up
to 0.6MHz. This allows the use of small size external components,
hence minimizing the PCB area needed.
RSVD
SW
2
3
AP8800
7
6
NC
NC
Maximum output current of AP8800 is set via an external resistor
GND 4
5
V IN
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 shuts down the output
at SW and puts the device into a low-current standby state.
MSOP-8
( Top View )
Features
CTRL 1
8
SET
?
?
LED driving current up to 350mA
Compatible with 12V & 24V standard systems
RSVD
SW
2
3
AP8800
7
6
NC
NC
?
High efficiency up to 92%
GND 4
5
V IN
?
?
High switching frequency up to 0.6MHz
PWM/DC input for dimming control
?
?
?
Built-in soft-start function
Built-in output open-circuit protection
SO-8, MSOP-8 and U-DFN3030-10: Available in “Green”
U-DFN3030-10
( Top View )
Molding Compound (No Br, Sb) with lead Free Finish/ RoHS
Compliant
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
CTRL
RSVD
1
2
10
9
SET
NC
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
NC
SW
GND
3
4
5
AP8800
8
7
6
NC
NC
V IN
?
?
?
?
Commercial & Industrial Lighting
Small LCD Panel Backlight
Architecture Detail Lighting
Appliances Interior Lighting
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
AP8800
Document number: DS31764 Rev. 7 - 2
1 of 13
www.diodes.com
August 2012
? Diodes Incorporated
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相关代理商/技术参数
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
AP8801EV1 功能描述:AP8801 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:460mA 输出和类型:1，非隔离 电压 - 输出:- 特性:可调光 电压 - 输入:8 V ~ 45 V 所含物品:板 使用的 IC/零件:AP8801 标准包装:1
AP8801EV2 功能描述:AP8801 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:460mA 输出和类型:1，非隔离 电压 - 输出:- 特性:可调光 电压 - 输入:8 V ~ 45 V 所含物品:板 使用的 IC/零件:AP8801 标准包装:1
AP8801M8G-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