參數(shù)資料
型號(hào)： ML4831
廠商： Fairchild Semiconductor Corporation
英文描述： Electronic Ballast Controller(電子整流器控制器)
中文描述： 電子鎮(zhèn)流器控制器（電子整流器控制器）
文件頁(yè)數(shù)： 4/14頁(yè)
文件大?。?/td> 165K
代理商： ML4831
ML4831
4
ELECTRICAL CHARACTERISTICS
(Continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Oscillator
Initial accuracy
T
A
= 25
°
C
V
CCZ
– 3V < V
CC
<V
CCZ
– 0.5V
72
76
80
kHz
Voltage stability
1
%
Temperature stability
2
%
Total Variation
Line, temperature
69
83
kHz
Ramp Valley to Peak
2.5
V
C(T) Charging Current (FM Modes)
V
PIN5
= 3V, V
PIN8
= 2.5V,
V
PIN10
= 0.9V (Preheat)
V
PIN5
= 3V, V
PIN8
= 2.5V,
V
PIN10
= Open
V
PIN8
= 2.5V
–78
μ
A
–156
μ
A
C(T) Discharge Current
5
mA
Output Drive Deadtime
0.75
μ
s
Reference Section
Output Voltage
T
A
= 25
°
C, I
O
= 1mA
V
CCZ
– 3V < V
CC
< V
CCZ
– 0.5V
1mA < I
O
< 20mA
7.4
7.5
7.6
V
Line regulation
2
10
mV
Load regulation
2
15
mV
Temperature stability
0.4
%
Total Variation
Line, load, temp
7.35
7.65
V
Output Noise Voltage
10Hz to 10KHz
50
μ
V
Long Term Stability
T
J
= 125
°
C, 1000 hrs
V
CC
< V
CCZ
– 0.5V, V
REF
= 0V
5
mV
Short Circuit Current
–40
mA
Preheat and Interrupt Timer (Pin 10)
(R(X) = 590K
, C(X) = 5.6
μ
F)
Initial Preheat Period
0.8
s
Subsequent Preheat Period
0.7
s
Start Period
2.1
s
Interrupt Period
6.3
s
Pin 10 Charging Current
–19
μ
A
Pin 10 Open Circuit Voltage
V
CC
= 12.3V in UVLO
0.4
0.9
1.1
V
Pin 10 Maximum Voltage
7.0
7.3
7.7
V
Input Bias Current
V
PIN10
= 1.2V
–0.2
μ
A
Preheat Lower Threshold
1.18
V
Preheat Upper Threshold
3.36
V
Interrupt Recovery Threshold
1.18
V
Start Period End Threshold
6.7
V
Interrupt Input (Pin 9)
Interrupt Threshold
7.35
7.5
7.65
V
Input Bias Current
–0.3
–1
μ
A
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