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LM2596S-ADJ 参数 Datasheet PDF下载

LM2596S-ADJ图片预览
型号: LM2596S-ADJ
PDF下载: 下载PDF文件 查看货源
内容描述: SIMPLE SWITCHER系列电源转换器150千赫3A降压型稳压器 [SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator]
分类和应用: 转换器稳压器开关式稳压器或控制器电源电路开关式控制器
文件页数/大小: 31 页 / 736 K
品牌: NSC [ National Semiconductor ]
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OFF. With the inverting configuration, some level shifting is  
required, because the ground pin of the regulator is no  
longer at ground, but is now setting at the negative output  
voltage level. Two different shutdown methods for inverting  
regulators are shown in Figure 27 and 28.  
Application Information (Continued)  
INVERTING REGULATOR SHUTDOWN METHODS  
To use the ON /OFF pin in a standard buck configuration is  
@
simple, pull it below 1.3V ( 25˚C, referenced to ground) to  
turn regulator ON, pull it above 1.3V to shut the regulator  
01258342  
FIGURE 27. Inverting Regulator Ground Referenced Shutdown  
01258343  
FIGURE 28. Inverting Regulator Ground Referenced Shutdown using Opto Device  
27  
www.national.com  
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