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參數(shù)資料
| 型號： | ML4800 |
| 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)： | 4/14頁 |
| 文件大?。?/td> | 270K |
| 代理商： | ML4800 |
ML4800
4
REV. 1.0 10/10/2000
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TRI-FAULT DETECT
Fault Detect HIGH
2.65
2.75
2.85
V
Time to Fault Detect HIGH
V
FB
= V
FAULT DETECT LOW
to V
FB
=
OPEN.
470pF from V
FB
to GND
2
4
ms
Fault Detect LOW
0.4
0.5
0.6
V
PFC I
LIMIT
COMPARATOR
Threshold Voltage
-0.9
-1.0
-1.1
V
(PFC I
LIMIT
V
TH
- Gain Modulator Output)
120
220
mV
Delay to Output
150
300
ns
DC I
LIMIT
COMPARATOR
Threshold Voltage
0.95
1.0
1.05
V
Input Bias Current
±
0.3
±
1
μ
A
Delay to Output
150
300
ns
V
IN
OK COMPARATOR
Threshold Voltage
2.35
2.45
2.55
V
Hysteresis
0.8
1.0
1.2
V
GAIN MODULATOR
Gain (Note 3)
I
AC
= 100
μ
A, V
RMS
= V
FB
= 0V
0.60
0.80
1.05
I
AC
= 50
μ
A, V
RMS
= 1.2V, V
FB
= 0V
1.8
2.0
2.40
I
AC
= 50
μ
A, V
RMS
= 1.8V, V
FB
= 0V
0.85
1.0
1.25
I
AC
= 100
μ
A, V
RMS
= 3.3V, V
FB
= 0V
0.20
0.30
0.40
Bandwidth
I
AC
= 100
μ
A
10
MHz
Output Voltage
I
AC
= 350
μ
A, V
RMS
= 1V,
V
FB
= 0V
0.60
0.75
0.9
V
OSCILLATOR
Initial Accuracy
T
A
= 25
°
C
71
76
81
kHz
Voltage Stability
11V < V
CC
< 16.5V
1
%
Temperature Stability
2
%
Total Variation
Line, Temp
68
84
kHz
Ramp Valley to Peak Voltage
2.5
V
PFC Dead Time
250
330
ns
C
T
Discharge Current
V
RAMP 2
= 0V, V
RAMP 1
= 2.5V
3.5
5.5
7.5
mA
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| ML4801CP | Variable Feedforward PFC/PWM Controller Combo |
| ML4801CS | Variable Feedforward PFC/PWM Controller Combo |
| ML4801IP | Variable Feedforward PFC/PWM Controller Combo |
| ML4801IS | Variable Feedforward PFC/PWM Controller Combo |
| ML4801 | Variable Feedforward PFC/PWM Controller Combo(前饋可變PFC/PWM控制器組合芯片) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4800_0109 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4800CP | 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 |
| ML4800CP | 制造商:Fairchild Semiconductor Corporation 功能描述:IC PFC/PWM COMBO 4800 DIP16 |
| ML4800CP_NL | 功能描述:功率因數(shù)校正 IC Power Factor PWM Contrl 0.2mA 81KHz 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 |
| ML4800CP_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 |
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