參數(shù)資料
型號(hào)： ML4813
廠商： Fairchild Semiconductor Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Flyback Power Factor Controller(倒轉(zhuǎn)功率因數(shù)控制器)
中文描述： 反激式功率因數(shù)控制器（倒轉(zhuǎn)功率因數(shù)控制器）
文件頁(yè)數(shù)： 3/15頁(yè)
文件大小： 265K
代理商： ML4813
ML4813
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.
Supply Current .......................................................40mA
OUT Current.............................................................±1A
OUT Energy (capacitive load, per cycle) .................... 5μJ
COMP Sink Current ...............................................10mA
C
T
Charging Current.................................................5mA
Analog Input Voltage (pins 1, 3-8) ....GND - 0.3V to 5.5V
Junction Temperature..............................................150oC
Storage Temperature Range ..................... –65oC to 150oC
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, R
T
= 14k
W
, C
T
= 1nF, T
A
= Operating Temperature Range (Notes 1, 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Initial Accuracy
T
j
= 25oC
90
97
104
kHz
Voltage Stability 12V < V
CC
< 18V
0.3
%
Temperature Stability
2
%
Total Variation
Line, temp
88
108
kHz
Ramp Valley
1.0
V
Ramp Peak
4.3
V
R
T
Voltage
4.8
5.0
5.2
V
Discharge Current
T
j
= 25oC, V(C
T
) = 2V
7.5
8.4
9.3
mA
V(C
T
) = 2V
7.2
8.4
9.5
mA
SYNC Threshold
0.8
1.4
2.0
V
SYNC Bias Current
350
800
μA
REFERENCE
Output Voltage (V
REF
)
T
j
= 25oC, I
REF
= 1mA
4.95
5.00
5.05
V
Line Regulation
12V < V
CC
< 25V
6
20
mV
Load Regulation 1mA < I
REF
< 20mA
3
20
mV
Temperature Stability
0.4
%
Total Variation
Line, load, temp
4.9
5.1
V
Output Noise
10Hz to 10kHz
50
μV
Long Term Stability
T
j
= 125oC, 1000 hours
5
25
mV
Short Circuit Current
V
REF
= GND
-30
-85
-180
mA
Lead Temperature (Soldering, 10 sec) .....................260oC
Thermal Resistance (
q
JA
)
PDIP ................................................................ 88oC/W
SOIC.............................................................. 105oC/W
OPERATING CONDITIONS
Temperature Range
ML4813CX ................................................ 0oC to 70oC
ML4813IX...............................................-40oC to 85oC
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