參數(shù)資料
型號(hào): ML4805CP
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(yè)數(shù): 4/13頁(yè)
文件大小: 125K
代理商: ML4805CP
ML4805
4
REV. 1.1 3/9/2001
ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OVP COMPARATOR
Threshold Voltage
2.65
2.75
2.85
V
Hysteresis
175
250
325
mV
PFC I
LIMIT
COMPARATOR
Threshold Voltage
-0.9
-1.0
-1.1
V
PFC I
LIMIT
Threshold - Gain Modulator Output
120
220
mV
Delay to Output
150
300
ns
DC I
LIMIT
COMPARATOR
Threshold Voltage
1.4
1.5
1.6
V
Input Bias Current
±
0.3
±
1
μ
A
Delay to Output
150
300
ns
V
IN
OK COMPARATOR
Threshold Voltage
2.4
2.5
2.6
V
Hysteresis
0.8
1.0
1.2
V
GAIN MODULATOR
Gain (Note 3)
I
AC
= 100
μ
A, V
RMS
= V
FB
= 0V
I
AC
= 50
μ
A, V
RMS
= 1V, V
FB
= 0V
I
AC
= 50
μ
A, V
RMS
= 1.8V, V
FB
= 0V
I
AC
= 100
μ
A, V
RMS
= 3.3V, V
FB
= 0V
IAC = 100
μ
A
0.65
0.85
1.05
1.90
2.20
2.40
0.90
1.05
1.25
0.20
0.30
0.40
Bandwidth
10
MHz
Output Voltage
I
AC
= 350
μ
A, V
RMS
= 1V,
V
FB
= 0V
0.65
0.75
0.85
V
OSCILLATOR
Initial Accuracy
T
A
= 25oC
188
200
212
kHz
Voltage Stability
11V < V
CC
< 16.5V
1
%
Temperature Stability
2
%
Total Variation
Line, Temp
182
218
kHz
Ramp Valley to Peak Voltage
2.5
V
PFC Dead Time
350
470
600
ns
C
T
Discharge Current
V
RAMP 2
= 0V, V
RAMP 1
= 2.5V
3.5
5.5
7.5
mA
相關(guān)PDF資料
PDF描述
ML4805CS Variable Feedforward PFC/PWM Controller Combo
ML4805IP Variable Feedforward PFC/PWM Controller Combo
ML4805IS Variable Feedforward PFC/PWM Controller Combo
ML4810 High Frequency PWM Controller(高頻PWM控制器)
ML4811 High Frequency PWM Controller(高頻PWM控制器)
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