參數(shù)資料
型號(hào): ML4841CP
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, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 10/15頁
文件大?。?/td> 129K
代理商: ML4841CP
ML4841
PRODUCT SPECIFICATION
4
REV. 1.0.3 6/13/01
Input Bias Current
-0.5
-1.0
A
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.65
1.0
V
Source Current
VIN = ±0.5V, VOUT = 6V
-40
-90
A
Sink Current
VIN = ±0.5V, VOUT = 1.5V
40
90
A
Open Loop Gain
60
75
dB
PSRR
VCCZ - 3V < VCC < VCCZ - 0.5V
60
75
dB
OVP Comparator
Threshold Voltage
2.6
2.7
2.8
V
Hysteresis
70
95
125
mV
PFC ILIMIT Comparator
Threshold Voltage
-0.8
-1.0
-1.15
V
(PFC ILIMIT VTH - Gain
Modulator Output)
100
190
mV
Delay to Output
150
300
ns
DC ILIMIT Comparator
Threshold Voltage
0.9
1.0
1.1
V
Input Bias Current
±0.3
±1
A
Delay to Output
150
300
ns
VIN OK Comparator
Threshold Voltage
2.4
2.5
2.6
V
Hysteresis
0.8
1.0
1.2
V
Gain Modulator
Gain (Note 3)
IAC = 100A, VRMS = VFB = 0V
0.35
0.50
0.65
IAC = 50A, VRMS = 1.2V, VFB = 0V
1.15
1.65
2.15
IAC = 50A, VRMS = 1.8V, VFB = 0V
0.52
0.74
0.96
IAC = 100A, VRMS = 3.3V, VFB = 0V
0.14
0.20
0.26
Bandwidth
IAC = 100A
10
MHz
Output Voltage
IAC = 250A, VRMS = 1.15V,
VFB = 0V
0.74
0.82
0.90
V
Oscillator
Initial Accuracy
TA = 25°C
188
200
212
kHz
Voltage Stability
VCCZ - 3V < VCC < VCCZ - 0.5V
1
%
Temperature Stability
2
%
Total Variation
Line, Temp
182
218
kHz
Ramp Valley to Peak Voltage
2.5
V
Dead Time
PFC Only
260
400
ns
CT Discharge Current
VRAMP 2 = 0V, VRAMP 1 = 2.5V
4.5
7.5
9.5
mA
Electrical Characteristics (continued)
Unless otherwise specied, ICC = 25mA, RT = 23k
, RRAMP1 = 28.7k, CT = 400pF, CRAMP1 = 270pF, TA =
Operating Temperature Range (Note 1)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
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