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| 型号： | XRP7604EVB |
| 厂商： | Exar Corporation |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XRP7604 |
| 标准包装： | 1 |
| 系列： | * |
X R P 7 6 0 4
1 A 2 9 V N o n - S y n c . B u c k H i g h P o w e r L E D D r i v e r
March 2009
GENERAL DESCRIPTION
The XRP7604 is a non-synchronous voltage
mode PWM step down converter with
integrated high side FET optimized to drive
high power LEDs at up to 1A of continuous
current. A wide 4.5V to 29V input voltage
range allows for single supply operations from
industry standard 5V, 12V or 24V power rails.
A 1.2MHz constant operating frequency allows
for small external components selection while
an internal type II control loop compensation
reduces the overall component count and
solution footprint. A low 200mV feedback
reference voltage minimizes power dissipation
in the system while efficiency is mazimized via
a 100% duty cycle capability. Dimming and
shutdown mode is provided via an enable
function when required. An adjustable over
current and under voltage lock out protection
insures safe operations under abnormal
operating conditions.
The XRP7604 is pin compatible with Exar’s
XRP7603 and SP7600, non synchronous buck
high power led drivers respectively rated at
500mA and 2A.
The XRP7604 is offered in a compact thermally
enhanced RoHS compliant “green”/halogen
free 8-pin SO package.
Rev. 1.0.0
APPLICATIONS
? General Lighting and Displays
? Architectural and Accent Lighting
? Medical and Industrial Instrumentation
? Video Projectors
FEATURES
? 1A Continous Output Current Capable
? 4.5V to 29V Single Rail Input Voltage
? 1.2MHz Constant Switching Frequency
? Internal Control Loop Compensation
? 0.2V Feedback Reference Voltage
? 2.5% Output Voltage Accuracy
? Built-in Soft Start
? PWM & Analog Dimming Capability
? Adjustable Over-Current Protection
? Pin Compatible with 500mA rated
XRP7603 & 2A rated SP7600
? Thermally Enhanced Package
? RoHS Compliant “Green”/Halogen Free
8-pin SO Package
TYPICAL APPLICATION DIAGRAM
Fig. 1: XRP7604 Application Diagram
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
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相关代理商/技术参数 |
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| XRP7613EVB | 功能描述:LED 照明开发工具 XRP7613 Eval Brd RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| XRP7613IDBTR-F | 功能描述:LED照明驱动器 1.2A 36V SD High Brightness LED Drvr 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 |
| XRP7618 | 制造商:EXAR 制造商全称:EXAR 功能描述:8-Channel Constant Current Linear LED Driver With Smart TalkTM |
| XRP7618EVB | 功能描述:LED 照明开发工具 XRP7618 EVAL 8CH LED DRIVER BRD RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| XRP7618IGB-F | 功能描述:LED照明驱动器 8CH LED DRIVER,CNST CURRENT, 100mA/CHNL 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 |
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