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參數(shù)資料
| 型號： | ML4841 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Variable Feedforward PFC/PWM Controller Combo(前饋可變PFC/PWM控制器組合芯片) |
| 中文描述： | 可變前饋式PFC / PWM控制器組合（前饋可變式PFC /脈寬調(diào)制控制器組合芯片） |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 149K |
| 代理商： | ML4841 |
ML4841
REV. 1.0 10/12/2000
5
ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PFC
Minimum Duty Cycle
V
IEAO
> 4.0V
0
%
Maximum Duty Cycle
V
IEAO
< 1.2V
90
95
%
Output Low Voltage
I
OUT
= -20mA
0.4
0.8
V
I
OUT
= -100mA
0.7
2.0
V
I
OUT
= 10mA, V
CC
= 8V
0.8
1.5
V
Output High Voltage
I
OUT
= 20mA
10
10.5
V
I
OUT
= 100mA
9.5
10
V
Rise/Fall Time
C
L
= 1000pF
50
ns
PWM
DC
Duty Cycle Range
0-44
0-47
0-50
%
V
OL
Output Low Voltage
I
OUT
= -20mA
0.4
0.8
V
I
OUT
= -100mA
0.7
2.0
V
I
OUT
= 10mA, V
CC
= 8V
0.8
1.5
V
V
OH
Output High Voltage
I
OUT
= 20mA
10
10.5
V
I
OUT
= 100mA
9.5
10
V
Rise/Fall Time
C
L
= 1000pF
50
ns
SUPPLY
V
CCZ
Shunt Regulator Voltage
12.8
13.5
14.2
V
V
CCZ
Load Regulation
25mA < I
CC
< 55mA
±100
±200
mV
V
CCZ
Total Variation
Load, Temp
12.4
14.6
V
Start-up Current
V
CC
= 11.2V, C
L
= 0
0.7
1.0
mA
Operating Current
V
CC
< V
CCZ
- 0.5V, C
L
= 0
17
21
mA
Undervoltage Lockout Threshold
V
CCZ
- 1.0V
CCZ
- 0.7V
CCZ
- 0.4
V
Undervoltage Lockout Hysteresis
2.7
3.0
3.3
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4841CP | 功能描述:功率因數(shù)校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| ML4841CP_Q | 功能描述:功率因數(shù)校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| ML4841CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Variable Feedforward PFC/PWM Controller Combo |
| ML4841IP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Variable Feedforward PFC/PWM Controller Combo |
| ML4841IS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Variable Feedforward PFC/PWM Controller Combo |
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