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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(yè)數(shù)： | 17/25頁(yè) |
| 文件大?。?/td> | 588K |
| 代理商： | TDA21302 |
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CoreControl
TM
Page 17 of 25
DS-CoreControl-TDA21302
Design Process Suggestion :
Voltage Loop Setting
Pole and Zero of output filter : Output inductor value, the capacitance and ESR value of the
output capacitors
Compensation Network : Error amplifier compensation & sawtooth wave amplitude.
Kelvin sense for V
CORE
Current Loop Setting
GM amplifier S/H current setting : Current sensing components ( Rds(on) ), the value of the
resistors connecting to ISPx & ISNx. Do keep ISPx current < 60uA at full load condition for
better load line linearity.
Over current protection trip point : This has been set internally and please keep ISPx < 100uA
at OCP condition for better accuracy.
VRM Load Line Setting
Droop amplitude : External ADJ pin resistor.
No load offset : Additional resistor in compensation network.
DAC offset voltage seeting : VOSS pin & compensation network resistor.
PCB Layout
Kelvin sense for current sense GM amplifier input.
Refer to layout guide for other item.
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