參數(shù)資料
型號: SG6901ASZ
廠商: Fairchild Semiconductor
文件頁數(shù): 13/19頁
文件大小: 714K
描述: IC PFC CTLR AVERAGE CURR 20SOIC
標準包裝: 1
模式: 平均電流
頻率 - 開關(guān): 65kHz
電流 - 啟動: 10µA
電源電壓: 12 V ~ 20 V
工作溫度: -30°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 標準包裝
其它名稱: SG6901ASZDKR
 
?2008 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
SG6901A " Rev. 1.0.2
13
Typical Performance Characteristics
93
94
95
96
97
98
-40    -25    -10
5
20
35
50
65
80
95
110    125
Maximum Duty Cycle (DCY
MAX
) vs. Temperature
Temperature (癈)
0.65
0.67
0.69
0.71
0.73
0.75
-40    -25    -10
5
20
35
50
65
80
95    110   125
Peak Current Limit Threshold Voltage 1 (V
LIMIT-1
) vs. Temperature
Temperature (癈)
Figure 17. PFC Maximum Duty Cycle
Figure 18. Peak Current Limit Threshold Voltage
4.20
4.32
4.44
4.56
4.68
4.80
-40    -25    -10
5
20
35
50
65
80
95    110   125
PWM Open-Loop Protection Voltage (FB
OPEN-LOOP
) vs. Temperature
Temperature (癈)
0.60
0.62
0.64
0.66
0.68
0.70
-40    -25    -10
5
20
35
50
65
80
95    110   125
Peak Current Limit Threshold Voltage 2 (V
LIMIT-2
) vs. Temperature
Temperature (癈)
Figure 19. PWM Open-Loop Protection Voltage
Figure 20. Peak Current Limit Threshold Voltage2
30
46
62
78
94
110
-40    -25    -10
5
20
35
50
65
80
95    110    125
Falling Time (t
F-PWM
) vs. Temperature
Temperature (癈)
73
75
77
79
81
83
-40    -25
-10
5
20
35
50
65
80
95
110    125
PWM Maximum Duty Cycle (DCY
MAXPWM
) vs. Temperature (癈)
Temperature (癈)
Figure 21. OPWM Falling Time
Figure 22. PWM Maximum Duty Cycle
 
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