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參數(shù)資料
| 型號： | ML4805IP |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Variable Feedforward PFC/PWM Controller Combo |
| 中文描述： | 0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 212 kHz SWITCHING FREQ-MAX, PDIP18 |
| 封裝： | PLASTIC, DIP-18 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 125K |
| 代理商： | ML4805IP |
ML4805
REV. 1.1 3/9/2001
3
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
CC
= 15V, R
T
= 29.4k
, R
RAMP1
= 15.4k
, C
T
= 270pF, C
RAMP1
= 620pF,
T
A
= Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOLTAGE ERROR AMPLIFIER
Input Voltage Range
0
5
V
Transconductance
V
NON INV
= V
INV
, VEAO = 3.75V
40
65
80
μ
Feedback Reference Voltage
2.43
2.50
2.57
V
Input Bias Current
Note 2
-0.5
-1.0
μ
A
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.1
0.4
V
Source Current
V
IN
=
±
0.5V, V
OUT
= 6V
V
IN
=
±
0.5V, V
OUT
= 1.5V
-40
-70
-150
μ
A
Sink Current
40
70
150
μ
A
Open Loop Gain
60
70
dB
PSRR
11V < V
CC
< 16.5V
60
70
dB
CURRENT ERROR AMPLIFIER
Input Voltage Range
-1.5
2
V
Transconductance
V
NON INV
= V
INV
, VEAO = 3.75V
60
100
120
μ
Input Offset Voltage
0
8
15
mV
Input Bias Current
-0.5
-1.0
μ
A
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
-70
-150
μ
A
Sink Current
V
IN
=
±
0.5V, V
OUT
= 1.5V
40
70
150
μ
A
Open Loop Gain
55
65
dB
PSRR
11V < V
CC
< 16.5V
60
75
dB
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..............................................................................................
18V
I
SENSE
Voltage .................................................. -3V to 5V
Voltage on Any Other Pin ...... GND - 0.3V to V
CC
+ 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................... 1.5
μ
J
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 ........................................................70
°
C/W
Plastic SOIC ...................................................100
°
C/W
OPERATING CONDITIONS
Temperature Range
ML4805CX................................................. 0
°
C to 70
°
C
ML4805IX ............................................... -40
°
C to 85
°
C
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| ML4810CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Frequency Power Supply Controller |
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| ML4811CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Frequency Power Supply Controller |
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