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參數(shù)資料
| 型號： | 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)： | 18/25頁 |
| 文件大?。?/td> | 588K |
| 代理商： | TDA21302 |
Design Example :
CoreControl
TM
Page 18 of 25
DS-CoreControl-TDA21302
Given
Apply for four phase converter
V
IN
= 12V
V
CORE
= 1,35V
I
LOAD
= 100A
V
DROOP
= 100 mV at full load
OCP set at 35A for each channel ( S/H )
Rds(on) = 3 m
for Sync FET at 25°C ( 2 X IPU06N03LA in parallel )
L
OUT
= 0,6uH
C
OUT
= 17,600 uH with 1 m
ESR
1. Compensation Setting
Modulator Gain, Pole and Zero :
From the following formula ;
Modulator Gain = ( 12,46 dB )
1,9V
Where V
RAMP
: ramp amplitude of the sawtooth waveform
LC Filter Pole = = 1,549 KHz and
ESR Zero = = 9,0429 KHz
2
ESR C
EA Compensation Network :
Select R
F1
= 2,4 K
, R
F2
= 24 K
, C
C2
= 6,6 nF, C
C1
= 33 pF and Use type 2 compensation
scheme shown in Figure 5.
2
V
12
V
RAMP
IN
×
1
OUT
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