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CS3842AGD14 PDF预览

CS3842AGD14

更新时间: 2024-01-23 02:27:46
品牌 Logo 应用领域
樱桃 - CHERRY 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
页数 文件大小 规格书
6页 158K
描述
Off-Line Current Mode PWM Control Circuit with Undervoltage Lockout

CS3842AGD14 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:14
Reach Compliance Code:unknown风险等级:5.74
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:25 V最小输入电压:11.5 V
标称输入电压:15 VJESD-30 代码:R-PDSO-G14
JESD-609代码:e0长度:8.65 mm
功能数量:1端子数量:14
最高工作温度:70 °C最低工作温度:
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:COMMERCIAL座面最大高度:1.75 mm
表面贴装:YES切换器配置:SINGLE
温度等级:COMMERCIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

CS3842AGD14 数据手册

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Electrical Characteristics: -25° TA 85˚C for CS2842A/2843A, 0° TA 70˚C for CS3842A/3843A. VCC = 15V (Note 1);  
RT = 680, CT = .022µF for triangular mode, RT = 10k, CT = 3.3nF for sawtooth mode (see Figure 3), unless otherwise stated.  
CS2842A/CS2843A  
CS3842A/CS3843A  
PARAMETER  
TEST CONDITIONS  
MIN TYP MAX MIN TYP MAX UNITS  
Reference Section  
Output Voltage  
TJ = 25˚C, IOUT = 1mA  
4.95 5.00 5.05 4.90 5.00 5.10  
V
Line Regulation  
12 VIN 25V  
6
20  
6
20  
25  
mV  
mV  
Load Regulation  
1 IOUT 20mA  
6
25  
6
Temperature Stability  
Total Output Variation  
Output Noise Voltage  
Long Term Stability  
Output Short Circuit  
(Note 2)  
0.2  
0.4  
0.2  
0.4 mV/˚C  
Line, Load, Temp. (Note 2)  
10Hz f 10kHz, TJ = 25˚C (Note 2)  
TA = 125˚C, 1kHrs. (Note 2)  
TA = 25˚C  
4.90  
-30  
5.10 4.82  
5.18  
V
50  
5
50  
5
µV  
mV  
25  
25  
-100 -180 -30  
-100 -180 mA  
Oscillator Section  
Initial Accuracy  
Sawtooth Mode (see Fig. 3), TJ = 25˚C 47  
Triangular Mode (see Fig. 3), TJ = 25˚C 47  
52  
52  
57  
57  
47  
44  
52  
52  
57  
60  
kHz  
kHz  
Voltage Stability  
Temp. Stability  
12 VCC 25V  
0.2  
1.0  
0.2  
1.0  
%
Sawtooth Mode TMIN TA TMAX  
(Note 2)  
5
5
%
Triangular Mode TMIN TA TMAX  
(Note 2)  
8
8
%
V
Amplitude  
OSC peak to peak  
1.7  
8.3  
1.7  
8.3  
Discharge Current  
TJ = 25˚C  
TMIN TA TMAX  
7.5  
7.2  
9.3  
9.5  
7.5  
7.2  
9.3 mA  
9.5 mA  
Error Amp Section  
Input Voltage  
VCOMP = 2.5V  
VFB = 0  
2.45 2.50 2.55 2.42 2.50 2.58 V  
Input Bias Current  
AVOL  
-0.3  
90  
1.0  
70  
6
-1.0  
-0.3  
90  
1.0  
70  
6
-2.0 µA  
dB  
2 VOUT 4V  
(Note 2)  
65  
0.7  
60  
2
65  
0.7  
60  
2
Unity Gain Bandwidth  
PSRR  
MHz  
12 VCC 25V  
dB  
mA  
mA  
V
Output Sink Current  
Output Source Current  
VOUT High  
VFB = 2.7V, VCOMP = 1.1V  
VFB = 2.3V, VCOMP = 5V  
-0.5  
5
-0.8  
6
-0.5  
5
-0.8  
6
VFB = 2.3V, RL = 15kto ground  
VFB = 2.7V, RL = 15kto VREF  
VOUT Low  
0.7  
1.1  
0.7  
1.1  
V
Current Sense Section  
Gain  
(Notes 3 & 4)  
2.85 3.00 3.15 2.85 3.00 3.15 V/V  
Maximum Input Signal  
PSRR  
V
COMP = 5V (Note 3)  
0.9  
1.0  
70  
1.1  
0.9  
1.0  
70  
1.1  
V
12 VCC 25V (Note 3)  
VSense = 0  
dB  
Input Bias Current  
Delay to Output  
-2  
-10  
-2  
-10 µA  
300 ns  
TJ = 25˚C (Note 2)  
150  
300  
150  
Output Section  
Output Low Level  
ISINK = 20mA  
ISINK = 200mA  
0.1  
1.5  
0.4  
2.2  
0.1  
1.5  
0.4  
2.2  
V
V
Output High Level  
ISOURCE = 20mA  
ISOURCE = 200mA  
13.0 13.5  
12.0 13.5  
13.0 13.5  
12.0 13.5  
V
V
2

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