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LT3439l low noise switching architecture

2015-03-16 04:37  
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Figure 1 shows the LT®3439, one of several low noiseswitchers available from Linear Technology. Ultralownoise and low EMI are achieved by controlling both theoutput switch voltage and current slew rates. This switchingarchitecture is particularly well suited to noise-sensitivesystems such as industrial sensing and control, dataconversion and wideband communications. visit page.
DC/DC push-pull topologies like the one shown in Figure½¡1 are commonly used in low noise systems becausethey offer relatively low input ripple current to the powersupply circuit. Nevertheless, DC/DC switcher topologiesgenerate high frequency ha visit page.