參數(shù)資料
型號: UCC38517
廠商: Texas Instruments, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: ADVANCED PFC/PWM COMBINA CONTROLLERS
中文描述: 高級式PFC /脈寬調(diào)制COMBINA控制器
文件頁數(shù): 18/39頁
文件大?。?/td> 725K
代理商: UCC38517
SLUS517B DECEMBER 2002 REVISED AUGUST 2004
18
www.ti.com
APPLICATION INFORMATION
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.0
0.2
0.4
0.6
0.8
1.0
1.4
1.2
1.6
DPWM = 0.7
DPWM = 0.6
DPWM = 0.5
DPWM = 0.4
DPWM = 0.3
VAC/VC1
I
C1(rms)
/I
Q2
vs
VAC, f
PFC
:f
PWM
= 1:1
Figure 3. Graph for Finding I
C1(rms)
for the 1X:1X Oscillator Option
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.0
0.2
0.4
0.6
0.8
1.0
1.4
1.2
1.6
1.8
2.0
DPWM = 0.7
DPWM = 0.6
DPWM = 0.5
DPWM = 0.4
DPWM = 0.3
VAC/VC1
I
C1(rms)
/I
Q2
vs
VAC, f
PFC
:f
PWM
= 1:2
Figure 4. Graph for Finding I
C1(rms)
for the 1X:2X Oscillator Option
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