поискавой системы для электроныых деталей |
|
FAN1582MX датащи(PDF) 7 Page - Fairchild Semiconductor |
|
FAN1582MX датащи(HTML) 7 Page - Fairchild Semiconductor |
7 / 12 page PRODUCT SPECIFICATION FAN1582 REV. 1.1.2 2/26/03 7 istics section provides a separate thermal resistance and maximum junction temperature for both the control circuitry and the power transistor. Calculate the maximum junction temperature for both sections to ensure that both thermal limits are met. For example, look at using an FAN1582M-1.5 to generate 3A @ 1.5V ± 2% from a 3.3V source (3.2V to 3.6V). Assumptions: •Vin = 3.6V worst case •VOUT = 1.47V worst case •IOUT = 3A continuous •TA = 70°C • Θ Case-to-Ambient = 5°C/W (assuming both a heatsink and a thermally conductive material) The power dissipation in this application is: PD = (VIN - VOUT) * (IOUT) = (3.6-1.47) * (3) = 6.39W From the specification table, TJ = TA + (PD) * ( Θ Case-to-Ambient + ΘJC) = 70 + (6.39) * (5 + 3) = 121°C The junction temperature is below the maximum rating. Junction-to-case thermal resistance is specified from the IC junction to the bottom of the case directly below the die. This is the lowest resistance path for heat flow. Proper mounting ensures the best thermal flow from this area of the package to the heat sink. Use of a thermally conductive material at the case-to-heat sink interface is recommended. Use a thermally conductive spacer if the case of the device must be electri- cally isolated and include its contribution to the total thermal resistance. Figure 3. Application Circuit (FAN1582) Table 1. Bill of Materials for Application Circuit for the FAN1582 Item Quantity Manufacturer Part Number Description C1, C3 2 Xicon L10V10 10µF, 10V Aluminum C2 1 Xicon L10V100 100µF, 10V Aluminum C4 1 Any 1µF Ceramic R1 1 Generic 124 Ω, 1% R2 1 Generic 86.6 Ω, 1% U1 1 Fairchild FAN1582P 3A Regulator 100 µF C2 10 µF C3 VCNTL = 5V 2.1V at 3A VIN = 3.3V + 10 µFC1 1 µF C4 + VIN VSENSE VCNTL Adj VOUT FAN1582 86.6 Ω 124 Ω R2 R1 U1 |
Аналогичный номер детали - FAN1582MX |
|
Аналогичное описание - FAN1582MX |
|
|
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 |