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易光新聞

易光科技LED驅(qū)動(dòng)器完成HALT和HASS測(cè)試（二）

續(xù)（一）

高溫階梯應(yīng)力試驗(yàn)結(jié)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 快速溫變?cè)囼?yàn)

該系統(tǒng)進(jìn)行五次溫度循環(huán)，從60℃至+ 110°C，平均熱轉(zhuǎn)化率70°C/每分鐘。在每個(gè)極端溫度的停留時(shí)間為5分鐘。

快速溫變?cè)囼?yàn)結(jié)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.

結(jié)束（二），續(xù)（三）。

因篇幅所限，僅上傳部分?jǐn)?shù)據(jù)。

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