 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
AN2785 датащи(PDF) 28 Page - STMicroelectronics |
|
|
|||||||||||||||||||||||||||||
AN2785 датащи(HTML) 28 Page - STMicroelectronics |
|
|
28 / 51 page  Application examples AN2785 28/51 Doc ID 14785 Rev 1 Figure 20. Turn-OFF hard switching details with induction load: gate charge and plateau phase The rising dVOUT/dt and Trise can be calculated as follows. As discussed above the equivalent gate driver output circuit can be represented as in Figure 21 . Toff Trise T4 T1 T2 T3 Vth Vgs_p Vge_max plateau t t, Q HVbus Iload Vge Vce, Ic Ic Vce T3 T2 T1 GATE CHARGE CURVES Ic vs Vce CHARACTERISTICS Qge Qgc Qg plateau Vge Vge = Vge_p Iload Vce_sat HVbus TURN-OFF (hard switching) Final tail only for IGBTs Trise Toff Ic = 0 OFF Vge Cge Ic Cge Vce = HVbus Vge = Vge_p Cge Ic = Iload Vce Cgc dVce dt Cgc = Isink Cge Vce = Vce_sat Vge Vge Vce = HVbus Ic = Iload T1 T2 T3 T4 PLATEAU PHASE OFF OFF OFF diode OFF diode ON diode ON diode OFF Isink Isink Isink Isink Vge = Vge_max WORKING CURVE APPROX. REAL GC SINK RISE OUT C I dt dV = ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ SINK GC RISE I Q T = |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | 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 |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
