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參數(shù)資料
| 型號(hào)： | ML4805CS |
| 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, PDSO18 |
| 封裝： | PLASTIC, SOIC-18 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大小： | 125K |
| 代理商： | ML4805CS |
ML4805
REV. 1.1 3/9/2001
5
ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
Output Voltage
T
A
= 25oC, I(V
REF
) = 1mA
7.4
7.5
7.6
V
Line Regulation
11V < V
CC
< 16.5V
10
25
mV
Load Regulation
1mA < I(V
REF
) < 10mA
10
20
mV
Temperature Stability
0.4
%
Total Variation
Line, Load, Temp
7.35
7.65
V
Long Term Stability
T
J
= 125oC, 1000 Hours
5
25
mV
PFC
Minimum Duty Cycle
V
IEAO
> 6.7V
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
= 9V
0.4
0.8
V
Output High Voltage
I
OUT
= 20mA
V
CC
- 0.8
V
I
OUT
= 100mA
V
CC
- 2.0
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
= 9V
0.4
0.8
V
V
OH
Output High Voltage
I
OUT
= 20mA
V
CC
- 0. 8
V
I
OUT
= 100mA
V
CC
- 2.0
V
Rise/Fall Time
C
L
= 1000pF
50
ns
SUPPLY
Start-up Current
V
CC
= 12V, C
L
= 0
200
350
μ
A
Operating Current
V
CC
= 14V, C
L
= 0
5.5
7.0
mA
Undervoltage Lockout Threshold
12.4
13.0
13.6
V
Undervoltage Lockout Hysteresis
2.7
3.0
3.3
V
Note 1:
Note 2:
Note 3:
Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
Includes all bias currents to other circuits connected to the V
FB
pin.
Gain = K x 5.3V; K = (I
MULO
- I
OFFSET
) x I
AC
x (VEAO - 0.625V)
-1
.
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