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| 型号： | XRP7603EDB-F |
| 厂商： | Exar Corporation |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR HIGH PWR 8HSOICN-EP |
| 标准包装： | 46 |
| 恒定电流： | 是 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 通用 |
| 类型 - 次要： | 白色 LED |
| 频率： | 960kHz ~ 1.55MHz |
| 电源电压： | 4.5 V ~ 29 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 其它名称： | 1016-1338-5 |
X R P 7 6 0 3
5 0 0 m 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 XRP7603 is a non-synchronous voltage
mode PWM step down converter with
integrated high side FET optimized to drive
high power LEDs at up to 2A 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 maximized 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 XRP7603 is pin-to-pin compatible with
Exar’s XRP7604 and SP7600, non synchronous
buck high power led drivers respectively rated
at 1A and 2A.
The XRP7603 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
? 0.5A Continuous Output Current
? 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-to-Pin Compatible with
1A - XRP7604 and 2A - SP7600
? RoHS Compliant “Green”/Halogen Free
8-pin SO Package
TYPICAL APPLICATION DIAGRAM
Fig. 1: XRP7603 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 |
参数描述 |
|---|---|
| XRP7603EDB-F/TR | 功能描述:电压模式 PWM 控制器 0.5A 29V Non-Sync Buck High Power RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| XRP7603EDBTR-F | 功能描述:LED照明驱动器 Power LED Driver 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 |
| XRP7603EVB | 功能描述:电源管理IC开发工具 Eval Board for XRP7603 Series RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| XRP7604 | 制造商:EXAR 制造商全称:EXAR 功能描述:1A 29V Non-Sync. Buck High Power LED Driver |
| XRP7604EDB-F | 功能描述:LED照明驱动器 1A 29V Non-Sync Buck High Power 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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