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CS52843EDR8 参数 Datasheet PDF下载

CS52843EDR8图片预览
型号: CS52843EDR8
PDF下载: 下载PDF文件 查看货源
内容描述: 电流模式PWM控制电路 [Current Mode PWM Control Circuit]
分类和应用: 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
文件页数/大小: 6 页 / 149 K
品牌: CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
 浏览型号CS52843EDR8的Datasheet PDF文件第1页浏览型号CS52843EDR8的Datasheet PDF文件第3页浏览型号CS52843EDR8的Datasheet PDF文件第4页浏览型号CS52843EDR8的Datasheet PDF文件第5页浏览型号CS52843EDR8的Datasheet PDF文件第6页  
Electrical Characteristics: -40 TA 85˚C; VCC = 15V (Note 1); RT = 680; CT = .022µF for triangle mode,  
RT = 10k; CT = 3.3nF sawtooth mode unless otherwise stated.  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
Reference Section  
Output Voltage  
TJ = 25˚C, IREF = 1mA  
4.90  
5.00  
6
5.10  
20  
V
mV  
mV  
mV/˚C  
V
Line Regulation  
12 VCC 25V  
Load Regulation  
1 IRE F20mA  
6
25  
Temperature Stability  
Total Output Variation  
Output Noise Voltage  
Long Term Stability  
Output Short Circuit  
(Note 1)  
0.2  
0.4  
5.18  
Line, Load, Temp. (Note 1)  
10Hz f 10kHz, TJ = 25˚C (Note 1)  
TA = 125˚C, 1000 Hrs. (Note 1)  
4.82  
-30  
50  
5
µV  
25  
mV  
mA  
T
A = 25˚C  
-100  
-180  
Oscillator Section  
Initial Accuracy  
Sawtooth Mode, TJ = 25˚C (Note 1)  
Triangle Mode, TJ = 25˚C  
12 VCC 25V  
47  
44  
52  
52  
0.2  
5
57  
60  
kHz  
kHz  
%
Voltage Stability  
1.0  
Temperature Stability  
Sawtooth Mode TMIN TA TMAX  
%
Triangle Mode TMIN TA TMAX (Note 1)  
VOSC (peak to peak)  
8
1.7  
%
V
Amplitude  
Discharge Current  
TJ = 25˚C  
7.3  
6.8  
8.3  
9.3  
9.8  
mA  
mA  
TMIN TA TMAX  
Error Amp Section  
Input Voltage  
VCOMP = 2.5V  
2.42  
2.50  
-0.3  
90  
2.58  
-2.0  
V
µA  
dB  
Input Bias Current  
AVOL  
VFB = 0V  
2 VOUT 4V  
65  
0.7  
60  
2
Unity Gain Bandwidth  
PSRR  
(Note 1)  
1.0  
70  
MHz  
dB  
12 VCC 25V  
Output Sink Current  
Output Source Current  
VOUT HIGH  
VFB = 2.7V, VCOMP = 1.1V  
VFB = 2.3V, VCOMP = 5V  
VFB = 2.3V, RL = 15kto Gnd  
VFB = 2.7V, RL = 15kto VREF  
6
mA  
mA  
V
-0.5  
5
-0.8  
6
VOUT LOW  
0.7  
1.1  
V
Current Sense Section  
Gain  
(Notes 2 & 3)  
2.85  
0.9  
3.00  
1.0  
70  
3.15  
1.1  
V/V  
V
Maximum Input Signal  
PSRR  
VCOMP = 5V (Note 2)  
12 VCC 25V (Note 2)  
VSense=0V  
dB  
µA  
ns  
Input Bias Current  
Delay to Output  
-2  
-10  
TJ=25˚C (Note 1)  
150  
300  
Output Section  
Output Low Level  
ISINK = 20mA  
0.1  
1.5  
0.4  
2.2  
V
V
ISINK = 200mA  
Output High Level  
ISOURCE = 20mA  
ISOURCE = 200mA  
13.0  
12.0  
13.5  
13.5  
V
V
2