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YT0524 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part # YT0524
Description  YT0524
Download  14 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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YT0524 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

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YT0524
引出端排列图
PO1
1
20
VCC
GND
2
19
VDIM
PO2
3
18
VREG
OVL
4
17
STBY
A1OUT
5
16
A2IN2
IL
6
15
A2OUT
PWM
7
14
A2IN1
FSET
8
13
A1IN
VCOC
9
12
ERRC
CREF
10
11
CT2
管脚分配:
管脚
符号
功能描述
PIN1&PIN3
PO1&PO2
两路脉冲输出驱动端,脉冲高电平箝位在 9.7v
PIN2
GND
PIN4
OVL
过压检测端,当电压高于 1V 输出脉冲截止
PIN5
A1OUT
压控振荡器控制电压输出端
PIN6
IL
灯管电流反馈输入端
PIN7
PWM
PWM 输出端
PIN8
FSET
频率调整控制端,压控振荡器频率捕捉范围设定
PIN9
VCOC
压控振荡器频率电容设置端
PIN10
CREF
压控振荡器频率电阻设置端,与 9 脚电容共同决定压控振荡器的最高频
PIN11
CT2
间歇式调光振荡频率设置端
PIN12
ERRC
故障闭锁定时控制端,当系统检测到灯管开路或过压故障时, pin12 外
接的电容开始充电,当电压达到 2.4V 后禁止 pin1、3 脉冲输出
PIN13
A1IN
压控振荡器参考电压
PIN14
A2IN1
输出脉冲宽度调制三角波发生端
PIN15
A2OUT
输出脉冲宽度调制反馈端
PIN16
A2IN2
输出脉冲宽度控制端
PIN17
STBY
待机控制端
PIN18
VREG
基准电源 3.5v
PIN19
VDIM
调光电平,此电平与 pin11 构成间歇式调光波形
PIN20
VCC
电源
2
西安亚同集成电路技术有限公司
Xi’an Swip Co.,Ltd
Http://www.swip.com.cn
Email: market@swip.com.cn
Tel: 86-29-8386383
Fax: 86-29-8386287



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