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參數(shù)資料
| 型號： | 3843CMTR-E1 |
| 廠商： | BCD Semiconductor Manufacturing Limited |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 電流模式PWM控制器 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大小： | 188K |
| 代理商： | 3843CMTR-E1 |
CURRENT MODE PWM CONTROLLER AP384XC
Data Sheet
6
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
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
4.90
5.00
5.10
V
Total Output Variation
4.82
5.18
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
OSCILLATOR SECTION
Oscillation Frequency
f
T
J
=25
o
C
Pin 4, peak to peak (Note 6)
47
52
57
KHz
Oscillator Amplitude
V
OSC
1.7
V
Temperature Stability
(Note 6)
2.5
%
Voltage Stability
12V
≤
V
CC
≤
25V
Vpin 4 =2V(Note 7)
0.2
1
%
Discharge Current
8.5
9.5
10.5
mA
ERROR AMPLIFIER SECTION
Input Voltage
V
I
Vpin 1=2.5V
2.45
2.50
2.55
V
Output Sink Current
I
SINK
I
SOURCE
V
OH
V
OL
Vpin1=1.1V
5
8
mA
Output Source Current
Vpin1=5V
RL=15k
to GND
RL=15k
to pin 8
2V
≤
V
O
≤
4V
12V
≤
V
CC
≤
25V
-0.5
-0.8
mA
High Output Voltage
5
7
V
Low Output Voltage
0.7
1.1
V
Voltage Gain
65
90
dB
Power Supply Rejection Ratio
PSRR
60
70
dB
CURRENT SENSE SECTION
Maximum Input Signal
V
I
(MAX)
GV
Vpin1=5V(Note 4)
0.9
1
1.1
V
Gain
(Note 4, 5)
12V
≤
V
CC
≤
25V (Note 4, 6)
Vpin3 = 0 to 2V (Note 6)
2.85
3
3.15
V/V
Power Supply Rejection Ratio
PSRR
70
dB
Delay to Output
150
300
ns
μ
A
Input Bias Current
I
BIAS
-3
-10
OUTPUT SECTION
Low Output Voltage
V
OL
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
T
J
=25
o
C, C
L
=1nF (Note 6)
T
J
=25
o
C, C
L
=1nF (Note 6)
0.1
0.4
V
1.4
2.2
V
High Output Voltage
V
OH
13
14
V
12
13
V
Rise Time
t
R
50
150
ns
Fall Time
t
F
50
150
ns
(V
CC
=15V, R
T
=10k
C
T
=3.3nF, T
A
= -40 to 85
o
C, unless otherwise specified.)
Electrical Characteristics
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| 3843CP | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:CURRENT MODE PWM CONTROLLER |
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| 3843GM-E1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:GREEN MODE PWM CONTROLLER |
| 3843GMTR | 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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