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Thermal Solution of High Power LED
1. ¥Î³~¡G
°ª¾É¼ö©ÊÆp¥Û¦L¨ê¹q¸ôªO«Y§Q¥ÎÆp¥ÛÁ¡½¤¤§°ª¼ö¶Ç¾É¤Îµ´½t«Y¼Æµ¥¯S©Ê¡A¥H´£¨Ñ¹q¸ô¸üªO§@¬°¤¶¹q(µ´½t)¼h§÷®Æ¡C¦ì©ó¹q¸ô¼h¤U¤è¤§Æp¥Û¾É¼öµ´½t¼h¡A¥i¨³³t¶Ç¾É°ª¥\²v¥b¾ÉÅé´¹¤ù©Ò²£¥Íªº°ª¼ö(¦pµo¥ú¤G·¥Åé)¡A¨Ï°ª¥\²v¥b¾ÉÅé´¹¤ù¦b¸Ó¹q¸ô¸üªO¤W¹B§@®É¤´¥iºû«ù¤@¥¿±`·Å«×¡C
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2. ¯S¦â¡G
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Æp¥Û¤¶¹q¼h¤§¯S©Ê
©Ê½è³¡¤À
¼ö¶Ç¾É (W/mK)
~475
¼ö¿ç®g
~0.088 W/cm2
@70¢J
¹qªýÈ (Ohm)
>10(10)
¼ö¿±µÈ«Y¼Æ (ppm/ ¢J)
7~9
¼öéw©Ê (¢J)
~400
¤Æ¾Çéw©Ê
¤£»P»Ä¡BÆP©Î·»¾¯¤ÏÀ³
3. Æp¥Û¦L¨ê¹q¸ô°òªO¤§µ²ºc¡G
¶Ç²Î¦¡¤§µ²ºc¹Ï
¤¤°ê¬â½ü¤§µ²ºc¹Ï
4. ·Å«×¯S©Ê¡G
¹q¸ô¸üªO¯Å«Ê¸Ë
§C·Å»P¨}¦nªº¼ö§¡¤Ã©Ê (·¥¨Îªº´²¼ö)
´¹¤ù¯Å«Ê¸Ë
Ć Lower Temperature& Excellent temperature uniformity
5. ©Ê¯à¸ê®Æ¡G
¯S©Ê
´ú¸Õ±ø¥ó
©Ê¯à
¼öªýÈRth (¢J/W)
Power: 5~26 W
0.2~1.0 ¢J/W (depend on thermal management)
¹Ø©R´ú¸Õ
Power: 3W
2000 hrs ¤£µo¥Í°I´î¡C
°ª·Å´ú¸Õ
370 ¢J for 2 min.
Æp¥Û¤¶¹q¼h¡B¾É¹q¼h¡B²k¹Ô»P°òªO¤£·|¦³¥ô¦ó¤À¼h¤§²{¶H¡C
¼ö¶Ç¾É«Y¼Æ (W/mK)
KINIK Test
DLC dielectric: 475;
DLC PCB ¼ö¶Ç¾É¯S©Ê»P¯Â¾T°ò§÷¤@¼ËÀu²§¡C
ªþµÛ¤O (initial)
0.33 cm2 pad, 5 mmƒÖ wire, Pulling speed: 25 mm/min., vertical pull
>30 kgf/cm2
¼ö´`Àô
(+) 100 ¢J (30 min.)
to (5 min.)
(-)40 ¢J (30 min.)
300 cycles
§N¼ö½ÄÀ»
(+) 100 ¢J (30 min.)
to (10 sec)
(-)10 ¢J (30 min.)
300 cycles
§C·Å¹Ø©R´ú¸Õ
Temperature: -40¢J
IF: 350 mA
1000 hrs
°ª·Åµ´½t©Ê´ú¸Õ
180 ¢J DC 500V
1000 hrs
RoHS
Test Report No.: CE/2008/30602
SGS Approved
6. ³W®æ¨î¡G
Maximum operation voltage
>DC 2000V (depend on the thickness of diamond dielectric)
Maximum operation temperature
~ 300¢J
Thermal impedance
Same as Aluminum substrate
Suggested Line Width
>=0.2 mm
onductor thickness
~30 um
Conductor Resistivity
0.00375 ohms/sq./mil thickness
Maximum substrate size
365 mm x 300 mm x 3mm
Minimum substrate thickness
0.6 mm
«È¤áªA°È¡G
kinik_rd@kinik.com.tw
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