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參數(shù)資料
| 型號： | ML4804 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Power Factor Correction and PWM Controller Combo(功率因數(shù)校正器和PWM控制器組合芯片) |
| 中文描述： | 功率因數(shù)校正和PWM控制器組合（功率因數(shù)校正器和脈寬調(diào)制控制器組合芯片） |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 296K |
| 代理商： | ML4804 |
ML4804
REV. 1.0 10/10/2000
5
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
Output Voltage
T
A
= 25
°
C, I(V
REF
) = 1mA
7.4
7.5
7.6
V
Line Regulation
11V < V
CC
< 16.5V
10
25
mV
Load Regulation
0mA < I(V
REF
) < 10mA;
TA = 0oC to 70oC
10
20
mV
0mA <I(V
REF
) <5mA:
TA = –40oC to 85oC
10
20
mV
Temperature Stability
0.4
%
Total Variation
Line, Load, Temp
7.35
7.65
V
Long Term Stability
T
J
= 125
°
C, 1000 Hours
5
25
mV
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
= 9V
0.4
0.8
V
Output High Voltage
I
OUT
= 20mA
V
CC
– 0.8V
V
I
OUT
= 100mA
V
CC
- 2V
V
Rise/Fall Time
C
L
= 1000pF
50
ns
PWM
Duty Cycle Range
0-44
0-47
0-49
%
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
– 0.8V
V
I
OUT
= 100mA
V
CC
- 2V
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
14V, C
L
= 0
5.5
7
mA
Undervoltage Lockout Threshold
12.4
13
13.6
V
Undervoltage Lockout Hysteresis
(Note 4)
2.5
2.8
3.1
V
Note 1:
Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
Note 2:
Includes all bias currents to other circuits connected to the V
FB
pin.
Note 3:
Gain = K x 5.3V; K = (I
GAINMOD
- I
OFFSET
) x [I
AC
(VEAO - 0.625)]
-1
; VEAO
MAX
=5V.
Note 4:
UVLO Hysteresis
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ML4805 | Variable Feedforward PFC/PWM Controller Combo |
| ML4805CP | Variable Feedforward PFC/PWM Controller Combo |
| ML4805CS | Variable Feedforward PFC/PWM Controller Combo |
| ML4805IP | Variable Feedforward PFC/PWM Controller Combo |
| ML4805IS | Variable Feedforward PFC/PWM Controller Combo |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4804CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4804CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4804IP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4804IS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4805 | 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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