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SG1842F-TR PDF预览

SG1842F-TR

更新时间: 2023-02-26 14:37:01
品牌 Logo 应用领域
美高森美 - MICROSEMI 开关
页数 文件大小 规格书
24页 716K
描述
Switching Controller, Current-mode, 0.2A, 500kHz Switching Freq-Max, BIPolar, CDFP10

SG1842F-TR 技术参数

是否Rohs认证: 不符合生命周期:Active
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.85
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
JESD-30 代码:R-XDFP-F10端子数量:10
最高工作温度:125 °C最低工作温度:-55 °C
最大输出电流:0.2 A封装主体材料:CERAMIC
封装代码:DFP封装等效代码:FL10,.3
封装形状:RECTANGULAR封装形式:FLATPACK
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES最大切换频率:500 kHz
技术:BIPOLAR温度等级:MILITARY
端子形式:FLAT端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

SG1842F-TR 数据手册

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SG1842/SG1843  
Current Mode PWM Controller  
Features  
Description  
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Optimized For Off-Line Control  
The SG1842/43 family of control IC's provides all the  
necessary features to implement off-line fixed  
frequency, current-mode switching power supplies  
with a minimum number of external components.  
Low Start-Up Current (<1mA)  
Automatic Feed Forward Compensation  
Trimmed Oscillator Discharge Current  
Pulse-By-Pulse Current Limiting  
Current-mode architecture demonstrates improved  
line regulation, improved load regulation, pulse-by-  
pulse current limiting and inherent protection of the  
power supply output switch. The bandgap reference  
is trimmed to ±1% over temperature.  
Enhanced Load Response Characteristics  
Under-Voltage Lockout with 6V Hysteresis (SG1842  
only)  
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Double-Pulse Suppression  
Oscillator discharge current is trimmed to less than  
±10%. The SG1842/43 has under-voltage lockout,  
current limiting circuitry and start-up current of less  
than 1mA. The totem-pole output is optimized to drive  
the gate of a power MOSFET. The output is low in  
the off state to provide direct interface to an  
N-channel device. The SG1842/43 is specified for  
operation over the full military ambient temperature  
range of -55°C to 125°C. The SG2842/43 is specified  
for the industrial range of -25°C to 85°C, and the  
SG3842/43 is designed for the commercial range of  
0°C to 70°C.  
High-Current Totem-Pole Output (1A Peak)  
Internally Trimmed Bandgap Reference  
500kHz Operation  
Undervoltage Lockout  
SG1842 - 16 volts  
SG1843 - 8.4 volts  
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Low Shoot-Through Current <75mA Over  
Temperature  
Application  
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Available To MIL-STD – 883, ¶ 1.2.1  
Available to DSCC  
- Standard Microcircuit Drawing (SMD)  
Product Highlight  
RST  
IST  
AC  
INPUT  
Vcc  
SG3842/43  
Figure 1 · Product Highlight  
October 2014 Rev. 1.7  
www.microsemi.com  
1
© 2014 Microsemi Corporation  

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