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參數(shù)資料
| 型號： | CS3524AGDWR16 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | Voltage Mode PWM Control Circuit with 200mA Output Drivers |
| 中文描述： | 電壓模式PWM控制電路的200mA輸出驅(qū)動器 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 151K |
| 代理商： | CS3524AGDWR16 |
4
C
Typical Performance Characteristics continued
1M
2
TIMING RESISTOR - R
T
(k
)
5
10
20
100
O
1
50
100k
10k
1k
100
V
IN
= 20V
T
A
= 25
C
C
T
= 1.0nf
C
T
= 3.0nf
C
T
= 10nf
C
T
= 30nf
C
T
= 100nf
1.15
R
T
C
T
f
≈
10
2
5
10
20
100
TIMING CAPACITOR - C
T
(nf)
O
μ
s
1
50
5.0
2.0
1.0
0.5
0.2
0.1
V
IN
= 20V
R
T
= 2700
T
A
= 25
C
Note: Dead time = osc output pulse
width plus output delay
Output Dead Time vs. Timing Capacitor Value
Oscillator Frequency vs. Timing Components Resistor
Over Timing Capacitance
6
5
4
3
2
1
0
1
DELAY TIME (
μ
s)
2
3
4
O
INPUT at I
SENSE+
0
0.2
0.1
0.0
I
V
20V T
A
25
C
EA+ = V
I
SENSE–
= Gnd
OUTPUT at COMP
5%
10%
20%
50%
Overdrive
20
15
10
5
0
1.0
0.5
0.0
0
1
2
3
DELAY TIME (
μ
s)
O
V
IN
= 20V
R
L
= 2k
T
A
= 25
C
I
OUTPUT at
V
O
A
OR V
O
B
INPUT at
SHUTDOWN
Note: Minimum input pulse width
to latch is 200ns
20
15
10
5
0
5
4
3
2
1
0
0
1
2
3
DELAY TIME (
μ
s)
O
I
V
IN
= 20V
R
L
= 2k
T
A
= 25
C
OUTPUT at
V
OA
or V
OB
INPUT at V
OB
Note: Minimum input pulse width
to latch is 200ns
Shutdown Delay From PWM Comparator
Turn-Off Delay From Shutdown
Current Limit Amplifier Delay
10
9
8
7
6
5
4
3
2
1
0
0
10
SUPPLY VOLTAGE V
IN
(V)
20
30
40
50
Note: Outputs off. R
T
=
∞
T
A
= -55
°
C
T
A
= 25
°
C
T
A
= 125
°
C
Q
Quiescent Supply Current vs. Supply Voltage Over
Temperature
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