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參數(shù)資料
| 型號(hào)： | S3843P |
| 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)： | 2/7頁 |
| 文件大?。?/td> | 300K |
| 代理商： | S3843P |
KSI-L007-000
2
S3843P
Absolute Maximum Ratings
Ta=25
°
C
Characteristic
Symbol
Supply Voltage
Vcc
Output Current
Analog Inputs
Vi(ana)
Error Amp. Output Sink current
Isink(EA)
Power Dissipation
Electrical Characteristics
(Vcc=15V, Rt=10Kohm, Ct=3.3nF, Ta=0
℃
to 70
℃
, Unless otherwise specified)
Characteristic
Symbol
Test Condition
1. Reference Section
Ratings
30
1
-0.3 to 6.3
10
1
Unit
V
A
V
mA
W
Io
Pd
Min.
Typ. Max.
Unit
Output Voltage
Vref
Tj=25
℃
, Io=1mA
4.90
5.00
5.10
V
Line Regulation
Δ
Vref
12V
≤
V
CC
≤
25V
-
6
20
mV
Load Regulation
Δ
Vref
1mA
≤
I
O
≤
20mA
Ta
=25
°
C
-
6
25
mV
Output Short Current
2. Oscillator Section
Isc
-30
-100
-180
mA
Initial Accuracy
F
OSC
Tj=25
℃
47
52
57
KHz
Voltage Stability
△
f /
△
V
12V
≤
V
CC
≤
25V
-
0.2
1.0
%
Oscillator Voltage
V
OSC
V
pin4
, peak to peak
-
1.7
-
V
Discharge Current
I
discharge
Tj=25
°
C,
Pin4=2V
7.8
8.3
8.8
mA
3. Error Amp Section
Input Voltage
V
2
V
PIN1
=2.5V
2.42
2.50
2.58
V
Input Bias Current
I
b
-
-
-0.3
-2.0
Open Loop Voltage Gain
A
VO1
2V
≤
V
O
≤
4V
65
90
-
Unity Gain Bandwidth
GBW
Tj=25
°
C
0.7
1
-
MHz
PSRR
PSRR1
V
CC
=12V to 25V
60
70
-
Output Sink Current
I
SINK
V
PIN2
=2.7V, V
PIN1
=1.1V
2
6
-
mA
Output Source Current
I
SOURCE
V
PIN2
=2.3V, V
PIN1
=5V
-0.5
-0.8
-
mA
Output High Voltage
V
OH
V
pin2
=2.3V, R
1
=15
to GN
5
6
-
V
Output Low Voltage
V
OL
V
PIN2
=2.3V, R
1
=15
to PIN8
-
0.7
1.1
V
4. Current Sense Section
Gain
G
V
-
2.8
3.0
3.2
V/V
Maximum Input Signal
V
i(MaX)
V
PIN 1
=5V
0.9
1.0
1.1
V
PSRR
PSRR2
12V
≤
V
CC
≤
25V
-
70
-
Input Bias Current
I
bias
-
-
-2
-10
Delay to Output
T
d
V
PIN 3
=0V to 2V
-
100
300
nS
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