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易光科技LED驱动器完成HALT和HASS测试(二)
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易光科技LED驱动器完成HALT和HASS测试(二)

  • 分类:易光新闻
  • 作者:
  • 来源:
  • 发布时间:2015-01-03
  • 访问量:70

易光科技LED驱动器完成HALT和HASS测试(二)

续(一)
 
高温阶梯应力试验结果:
 

Setpoint

(°C)

Functional Test Result

(Pass/Fail)

Notes

+20

Pass

Sample no.1 was applied in this test.

+30

Pass

 

+40

Pass

 

+50

Pass

 

+60

Pass

 

+70

Pass

 

+80

Pass

 

+90

Pass

 

+100

Pass

 

+110

Pass

 

+120

Pass

 

+130

Fail

The LED light panel could not light up.

+20

Pass

It recovered at +20°C.

The plastic case of the LED driver had no observable deformation when observed at +20°C. Hot operating limit was found at +120°C.

+140

Fail

 

+20

Pass

 

+150

Fail

 

+20

Pass

 

+160

Fail

 

+20

Pass

 

+170

Fail

 

+20

Pass

 

+180

Fail

The LED light panel could not light up.

+20

Pass

It could not recover at +20°C. Hot destruct limit was found at +180°C.

 

 
4.2 快速温变试验
 
该系统进行五次温度循环,从60℃至+ 110°C,平均热转化率70°C/每分钟。在每个极端温度的停留时间为5分钟。
 
快速温变试验结果:
 

Cycle

Setpoint

(°C)

Functional Test Result

(Pass/Fail)

Notes

Start

+20

Pass

Sample no.2 was applied in this test.

1

-60

Pass

 

1

+110

Fail

The LED light panel could not light up.

2

-60

Pass

 

2

+110

Fail

The LED light panel could not light up.

3

-60

Pass

 

3

+110

Fail

The LED light panel could not light up.

4

-60

Pass

 

4

+110

Fail

The LED light panel could not light up.

5

-60

Pass

 

5

+110

Fail

The LED light panel could not light up.

End

+20

Pass

It recovered at.

+20°C.

 

CQC

 

CQC

 

CQC

 
结束(二),续(三)。
 
因篇幅所限,仅上传部分数据。
 
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