RM9003T_8 [REACTOR]
High-voltage linear 220V/12W bulb lamp solution;
| 型号： | RM9003T_8 |
| 厂家： | 
Reactor-Micro |
| 描述： | High-voltage linear 220V/12W bulb lamp solution |
| 文件： | 总2页 (文件大小：169K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RM9003T
高压线性 220V/12W 球泡灯方案
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：12W/42mA
PCB:
输入电压
输出电流
输出电压
恒流精度
效率
220Vac
42mA
216V
<±3%
>75%
PF
>0.9
拓扑结构
高压线性
典型应用：
LED1//LED2,LED3//LED4----LED23//LED24(12串2并)
LED2
LED24
18V/0.5W
LED1
18V/0.5W
LED23
R2
L
7.5R-1%
BD1
18V/0.5W
18V/0.5W
1
3
4
U1
RM9003T
AC V+
C1
2
NC
AC
V-
MB6S
N
GND
GND
GND
图 1
系统应用原理图
陕西亚成微电子股份有限公司
Rev 2016.11
http: // www.reactor-micro.com
RM9003T
高压线性 220V/12W 球泡灯方案
系统 BOM清单：
位号
U1
元件类型
IC
规格描述
RM9003T
MB6S
封装尺寸
TO252
数量
1
厂家
亚成微
DB1
R2
整流桥
贴片电阻
SMD
1
7.5R/1%
0805
1
LED
电源
18.0V/0.5W
2835 封装
1.2mm 厚
24
1
Φ50mm 铝基板
陕西亚成微电子股份有限公司
Rev 2016.11
http: // www.reactor-micro.com
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