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參數資料
| 型號： | 3842GM |
| 廠商： | BCD Semiconductor Manufacturing Limited |
| 英文描述： | GREEN MODE PWM CONTROLLER |
| 中文描述： | 綠色模式PWM控制器 |
| 文件頁數： | 5/13頁 |
| 文件大?。?/td> | 173K |
| 代理商： | 3842GM |
GREEN MODE PWM CONTROLLER AP384XG
Data Sheet
5
Aug. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
(V
CC
=15V, R
T
=10k
C
T
=3.3nF, T
A
= -40 to 85
o
C, unless otherwise specified.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage
V
REF
T
J
=25
o
C, I
REF
=1mA
Line, Load, Temp.
12V
≤
V
CC
≤
25V
1mA
≤
I
REF
≤
20mA
T
A
=25
o
C
4.95
5.00
5.05
V
Total Output Variation
4.9
5.10
V
Line Regulation
V
REF
V
REF
I
SC
4
15
mV
Load Regulation
4
15
mV
Short Circuit Output Current
-100
-180
mA
Temperature Stability
0.2
0.4
mV/
o
C
UNDER VOLTAGE LOCK OUT SECTION
Start-up Threshold
AP3842G/AP3844G
15
16
17
V
AP3843G/AP3845G
7.8
8.4
9.0
Minimum Operating Voltage
AP3842G/AP3844G
8.5
10
11.5
V
AP3843G/AP3845G
7.0
7.6
8.2
TOTAL STANDBY CURRENT SECTION
Start-up Current
V
CC
=14V
V
FB
=0, V
CS
=0, C
L
=1nF
V
FB
=2.7V, V
CS
=0.5V
I
CC
=25mA
50
80
μ
A
Operating Current
8
mA
Standby Operating Current
6
mA
Zener Voltage
30
34
V
PWM SECTION
Maximum Duty Cycle
AP3842G/AP3843G
94
96
%
AP3844G/AP3845G
46
48
50
Minimum Duty Cycle
0
%
OSCILLATOR SECTION
Oscillation Frequency
f
T
J
=25
o
C
Pin RT/CT, peak to peak
47
52
57
KHz
Oscillator Amplitude
V
OSC
1.7
V
Temperature Stability
2
%
Voltage Stability
12V
≤
V
CC
≤
25V
V
RT/CT
= 2V (Note 4)
0.2
1
%
Discharge Current
8.5
9.5
10.5
mA
Note 4: This parameter is measured with RT=10k
to V
REF,
it contributes 0.3mA of current to the measured value.
So the total current flowing into the CT pin will be 0.3mA higher than the measured value approximately.
Electrical Characteristics
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 3842GM-E1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:GREEN MODE PWM CONTROLLER |
| 3842GMTR | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:GREEN MODE PWM CONTROLLER |
| 3842GMTR-E1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:GREEN MODE PWM CONTROLLER |
| 3842GP | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:GREEN MODE PWM CONTROLLER |
| 3842GP-E1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:GREEN MODE PWM CONTROLLER |
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