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LM2766M6X bảng dữ liệu(PDF) 7 Page - National Semiconductor (TI) |
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LM2766M6X bảng dữ liệu(HTML) 7 Page - National Semiconductor (TI) |
7 / 9 page Application Information (Continued) TABLE 1. Low ESR Capacitor Manufacturers (Continued) Manufacturer Phone Website Capacitor Type Murata (800)-831-9172 www.murata.com Ceramic chip capacitors Taiyo Yuden (800)-348-2496 www.t-yuden.com Ceramic chip capacitors Tokin (408)-432-8020 www.tokin.com Ceramic chip capacitors Other Applications Paralleling Devices Any number of LM2766s can be paralleled to reduce the out- put resistance. Each device must have its own pumping ca- pacitor C 1, while only one output capacitor Cout is needed as shown in Figure 3. The composite output resistance is: Cascading Devices Cascading the LM2766s is an easy way to produce a greater voltage (A two-stage cascade circuit is shown in Figure 4). The effective output resistance is equal to the weighted sum of each individual device: R out = 1.5Rout_1 +Rout_2 Note that increasing the number of cascading stages is prac- itically limited since it significantly reduces the efficiency, in- creases the output resistance and output voltage ripple. DS101282-19 FIGURE 3. Lowering Output Resistance by Paralleling Devices DS101282-20 FIGURE 4. Increasing Output Voltage by Cascading Devices www.national.com 7 |
Số phần tương tự - LM2766M6X |
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Mô tả tương tự - LM2766M6X |
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