RM9003T_5 [REACTOR]
High-voltage linear E27/120V/ 4W/25mA filament lamp solution;
| 型号： | RM9003T_5 |
| 厂家： | 
Reactor-Micro |
| 描述： | High-voltage linear E27/120V/ 4W/25mA filament lamp solution |
| 文件： | 总2页 (文件大小：168K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RM9003T
高压线性 E27/120V/ 4W/25mA 灯丝灯方案
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 T0-252 封装。
系统规格：4.2W/25mA
PCB:
输入电压
输出电流
输出电压
恒流精度
效率
120Vac
25mA
130V
<±3%
≥80%
>0.6
PF
拓扑结构
高压线性
典型应用：
LED2
LED4
FR1
65V/1W
LED1
65V/1W
LED3
L
V+
20R/0.5W
BD1
1
3
4
AC V+
R1
10M-5%
C1
+
2
3.3uF/250V
65V/1W
65V/1W
AC
V-
LX10F
N
V-
U1
GND
GND
D
GND
CS
RM9003T
R3
54R-1%
R2
54R-1%
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 E27/120V/ 4W/25mA 灯丝灯方案
系统 BOM清单：
位号
U1
元件类型
IC
规格描述
RM9003T
20R/0.5W
MB10F
封装尺寸
TO-252
插件
数量
1
厂家
亚成微
FR1
DB1
C1
保险电阻
整流桥
1
SMD
1
电解电容
贴片电阻
贴片电阻
贴片电阻
3.3uF/200V
1.0M/5%
54R/1%
插件
1
R1
1206
1
R2
0805
1
R3
54R/1%
0805
1
LED
电源
灯丝
65V/1W
1.2mm 厚
4
Φ20mm 玻纤
1
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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