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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)： | 3/15頁 |
| 文件大?。?/td> | 149K |
| 代理商： | ML4841 |
ML4841
REV. 1.0 10/12/2000
3
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
V
CC
Shunt Regulator Current ..................................55mA
I
SENSE
Voltage ................................................... -3V to 5V
Voltage on Any Other Pin ..... GND - 0.3V to V
CCZ
+ 0.3V
I
REF............................................................................................
20mA
I
AC
Input Current ....................................................10mA
Peak PFC OUT Current, Source or Sink.................500mA
Peak PWM OUT Current, Source or Sink ..............500mA
PFC OUT, PWM OUT Energy Per Cycle.................. 1.5mJ
Junction Temperature ............................................. 150°C
Storage Temperature Range...................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................... 260°C
Thermal Resistance (
θ
JA
)
Plastic DIP .......................................................80°C/W
Plastic SOIC ................................................... 105°C/W
OPERATING CONDITIONS
Temperature Range
ML4841CX.................................................0°C to 70°C
ML4841IX ...............................................-40°C to 85°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, I
CC
= 25mA, R
T
= R
RAMP1
= 23k
, C
T
C
RAMP1
= 400pF, T
A
= Operating Temperature Range
(Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOLTAGE ERROR AMPLIFIER
Input Voltage Range
0
7
V
Transconductance
V
NON INV
= V
INV
, VEAO = 3.75V
40
70
100
μ
Feedback Reference Voltage
2.4
2.5
2.6
V
Input Bias Current
Note 2
-0.5
-1.0
μA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.65
1.0
V
Source Current
V
IN
= ±0.5V, V
OUT
= 6V
-40
-90
μA
Sink Current
V
IN
= ±0.5V, V
OUT
= 1.5V
40
90
μA
Open Loop Gain
60
75
dB
PSRR
V
CCZ
- 3V < V
CC
< V
CCZ
- 0.5V
60
75
dB
CURRENT ERROR AMPLIFIER
Input Voltag Range
-1.5
2
V
Transconductance
V
NON INV
= V
INV
, VEAO = 3.75V
130
195
310
μ
Input Offset Voltage
±3
±15
mV
Input Bias Current
-0.5
-1.0
μA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.65
1.0
V
Source Current
V
IN
= ±0.5V, V
OUT
= 6V
-40
-90
μA
Sink Current
V
IN
= ±0.5V, V
OUT
= 1.5V
40
90
μA
Open Loop Gain
60
75
dB
PSRR
V
CCZ
- 3V < V
CC
< V
CCZ
- 0.5V
60
75
dB
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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(fēng)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(fēng)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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