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RM9003T Datasheet(PDF) 1 Page - Shaanxi Reactor Microelectronics Co., Ltd. |
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RM9003T Datasheet(HTML) 1 Page - Shaanxi Reactor Microelectronics Co., Ltd. |
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1 / 2 page ![]() RM9003T 高压线性 220V/12W 球泡灯方案 陕西亚成微电子股份有限公司 Rev 2016.11 http: // www.reactor-micro.com 产品概述: RM9003T 是单通道 LED 恒流驱动控制芯片,可直接驱动高压 LED 灯串,输出电流由外接 SENSE 电阻 设置为 5mA~60mA,且输出电流恒定在设定值。 RM9003T 系统结构简单,外围元器件极少。外围电路无需磁性元件,多芯片并联应用,芯片可与 LED 共 用 PCB 板,LED 电流可外部设定。 RM9003T 应用线路无 EMI 问题,内置 400V 高压 MOS,具有过温调节能力。 RM9003T 采用 TO-252 封装。 系统规格:12 W/42mA PCB: 输入电压 220Vac 输出电流 42mA 输出电压 216V 恒流精度 <±3% 效率 >75% PF >0.9 拓扑结构 高压线性 典型应用: 图 1 系统应用原理图 1 1 2 2 3 3 4 4 D D C C B B A A Title Number Revision Size A4 Date: 2016/5/24 Sheet of File: G:\产品应用资料\..\220V-12W-球泡灯方案.SchDoc Drawn By: AC 1 AC 2 V+ 3 V- 4 BD1 MB6S U1 RM9003T R2 7.5R-1% GND L N LED1 18V/0.5W LED23 18V/0.5W C1 NC GND GND LED1//LED2,LED3//LED4----LED23//LED24(12 串2并) LED2 18V/0.5W LED24 18V/0.5W |
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