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參數(shù)資料
| 型號(hào)： | TDA21302 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Multi-Phase PWM Controller for CPU Core Power Supply |
| 中文描述： | 多相PWM控制器，電源為CPU內(nèi)核電源 |
| 文件頁數(shù)： | 22/25頁 |
| 文件大?。?/td> | 588K |
| 代理商： | TDA21302 |
CoreControl
TM
Page 22 of 25
DS-CoreControl-TDA21302
3. MOSFET drivers :
Both of the decoupling capacitors for VCC and PVCC should be placed as close to the driver IC
as possible.
The bootstrap capacitor should be placed close to the
BOOT
pin.
The traces of
GATE
HS
and
PHASE
should be routed in parallel and to keep it short and wide.
The width of the trances should be no less than 40mils.
High current loops from the input capacitor, high side MOSFET, output inductors and output
capacitors back to the input capacitor negative terminal should be kept the distance minimized.
The conjunction of high side MOSFET, low side MOSFET and output inductor should be kept as
close as possible.
4. Other Path :
The components from the compensation network, high frequency bypass capacitors and the
setting resistors should be placed near controller IC and away from the noisy power path.
The thermal compensation thermistor should be placed at the hottest point which is
normally the MOSFETs located at the inner part of the power stage.
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