поискавой системы для электроныых деталей |
|
BA05CC0WFP датащи(PDF) 7 Page - Rohm |
|
BA05CC0WFP датащи(HTML) 7 Page - Rohm |
7 / 12 page Technical Note 7/11 www.rohm.com 2011.03 - Rev.C © 2011 ROHM Co., Ltd. All rights reserved. BA□□DD0T Series,BA□□CC0T Series,BA□□CC0FP Series BA□□DD0WT Series,BA□□DD0HFP Series,BA□□CC0WT Series,BA□□CC0WFP Series 0.0 0.4 0.8 1.2 1.6 2.0 0 25 50 75 100 125 150 Ambient temperature:Ta(℃) 0 5 10 15 20 25 0 25 50 75 100 125 150 Ambient temperature:Ta(℃) 0 1 2 3 4 5 6 7 8 9 10 0 25 50 75 100 125 150 Ambient temperature:Ta(℃) Mounted on a Rohm standard board Board size : 70×70×1.6 ㎜ Copper foil area :7×7 ㎜ TO252-5θja=96.2(℃/W) ③ 7.3W ② 5.5W ① 2.3W (1)20.0 (2)2.0 1.30 Board size : 70×70×1.6 ㎜ 3 (board contains a thermal via) Board front copper foil area : 10.5×10.5 ㎜ 2 ① 2-layer board (back surface copper foil area :15×15 ㎜ 2) ② 2-layer board (back surface copper foil area :70×70 ㎜ 2) ③ 4-layer board (back surface copper foil area :70×70 ㎜ 2) When using a maximum heat sick : θj-c=6.25(℃/W) When using an IC alone : θj-6=62.5(℃/W) ● Thermal Design HRP-5 TO220FP-5 TO252-5 Fig.29 Fig.30 Fig.31 When using at temperatures over Ta=25℃, please refer to the heat reducing characteristics shown in Fig.29 through 31. The IC characteristics are closely related to the temperature at which the IC is used and if the temperature exceeds the maximum junction temperature TjMAX., the elements may be damaged or destroyed. From the standpoints of instantaneous destruction and long-term operating reliability, it is necessary give sufficient consideration to IC heat. In order to protect the IC from thermal damage, it is necessary to operate it at temperatures lower than the maximum junction temperature TjMAX of the IC. Fig.30 shows the acceptable loss and heat reducing characteristics of the TO220FP package The portion shown by the diagonal line is the acceptable loss range that can be used with the IC alone. Even when the ambient temperature Ta is a normal temperature (25℃), the chip (junction) temperature Tj may be quite high so please operate the IC at temperatures less than the acceptable loss Pd. The method of calculating the power consumption Pc(W) is as follows. Pc = (Vcc-Vo) × Io + Vcc × Icca Acceptable loss Pd≦Pc Solving this for load current IO in order to operate within the acceptable loss: Io≦ (Please refer to Figs.8 and 20 for Icca.) It is then possible to find the maximum load current IoMAX with respect to the applied voltage Vcc at the time of thermal design. ・ Calculation Example Example 1) When Ta=85℃, Vcc=8.3V, Vo=3.3V, BA33DD0WT Io≦ With the IC alone : θja=62.5℃/W → -16mW/℃ Io≦200mA (Icca : 2mA) 25℃=2000mW → 85℃=1040mW Please refer to the above information and keep thermal designs within the scope of acceptable loss for all operating temperature ranges. The power consumption Pc of the IC when there is a short circuit (short between Vo and GND) is : Pc=Vcc×(Icca+Ishort) *Ishort : Short circuit current Pd – Vcc×Icca Vcc-Vo 1.04-8.3×Icca 5 Vcc: Vo: Io: Vcca: Input voltage Output voltage Load current Circuit current |
Аналогичный номер детали - BA05CC0WFP |
|
Аналогичное описание - BA05CC0WFP |
|
|
ссылки URL |
Конфиденциальность |
ALLDATASHEETRU.COM |
Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |