參數(shù)資料
型號(hào): S3843
廠商: AUK Corp
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): 7/8頁
文件大小: 295K
代理商: S3843
KSI-8007-001
7
Electrical Characteristic Curves
S3843
%
OSCILLATOR FREQUENCY
OUTPUT DEAD-TIME vs.
f
OSC
OSCILLATOR FREQUENCY (KHz)
1.0
2.0
5.0
10
100
50
20
10K
20K
50K
100K
200K
500K 1.0M
Ta = 25
o
C
V cc=15V
Ct=10nF
2.0nF
5.0nF
1.0nF
500pF
200pF
100pF
R
T
OSCILLATOR FREQUENCY
TIMING RESISTOR vs.
f
OSC
OSCILLATOR FREQUENCY (KHz)
0.8
2.0
5.0
8.0
80
50
20
10K
20K
50K
100K
200K
500K 1.0M
Ta = 25
o
C
V cc=15V
C
T
=10nF
2.0nF
5.0nF
1.0nF
500pF
200pF
100pF
10
100
1K
10K
100K
1M
10M
FREQUENCY (Hz)
V
20
40
60
80
0
Frequency Response
Error Amplifier Open-Loop
P
o
)
-135
-90
-45
0
-180
AV
φ
1
2
3
4
0
S
Output Saturation Characteristics
OUTPUT CURRENT SOURCE OR SINK (A)
0.1
0.2
0.3 0.4 0.5 0.7
1
2
3
4
5
7
10
Vcc=15V
o
o
C
Ta = 25
Ta=-55
C
SINK SAT(VOL)
SOURCE SAT(Vcc-VOH)
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