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NXP SSL1623PH开关电源LED驱动方案

文章出处:8gled.com作者:格烁光电发表时间:2018-07-23
兰州代孕-胎儿频道Q0RX【每一天自然爱】NXP 公司的SSL1623PH是开关电源(SMPS)控制器,能直接从通用电压火线(80V-276V)整流电压工作,它集成了6.5Ω和650 V的功率开关,可调频率以方便设计,具有可调过流保护,以及欠压保护,温度保护和短路保护,主要用在led镇流器,外观照明,LED点照明以及商业照明.本文介绍了SSL1623PH主要特性和优势,方框图以及典型应用电路图.

The SSL1623PH is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectified universal AC mains. It is implemented in the high voltage Easy High Voltage Silicon-On-Insulator (EZ-HV SOI) process, combined with a low voltage Bipolar Complementary Metal Oxide Semiconductor (BiCMOS) process.

The device includes a high voltage power switch and a start-up circuit that operates directly from the rectified mains voltage. A dedicated circuit for valley switching is built in, which makes a very efficient slim-line ELectronic LED driver concept possible.

The SSL1623PH can operate in LED applications with a power range of up to 25 W. Applications below 15 W are more suited to the SSL152x family of mains LED drivers. In its most basic version of application the SSL1623PH acts as a voltage so代孕价格-【最出色的2018最新技术oEUz】妈妈频道urce. Here no additional secondary electronics are required. A combined voltage and current source can be realized with minimum costs for external components. Implementation of the SSL1623PH renders an efficient and low cost LED power supply system.

SSL1623PH主要特性和优势:

Integrated power switch: 6.5 Ω and 650 V

Operates from universal AC mains supplies, 80 V to 276 V

Adjustable frequency for flexible design

RC oscillator for load insensitive regulation loop constant

Valley switching for minimum switch-on loss

Adjustable overcurrent protection

Undervoltage protection

Temperature protection

Short-circuit winding protection

Safe restart mode for system fault conditions

Simple application with both primary and secondary (opto) feedback

16-pin DIP package

SSL1623PH应用:

LED ballasts

Contour lighting

LED spotlights

Channel letter lighting

Down lighting

Commercial lighting (retail displays)

图1.SSL1623PH方框图

图2.SSL1623PH典型应用电路图-初级检测

兰州代孕-胎儿频道Q0RX【每一天自然爱】 NXP SSL1623PH开关电源LED驱动方案原创编辑请注明出来http://m.hzjjn.com

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