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TC110 bảng dữ liệu(PDF) 8 Page - Microchip Technology |
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TC110 bảng dữ liệu(HTML) 8 Page - Microchip Technology |
8 / 16 page TC110 DS21355B-page 8 © 2002 Microchip Technology Inc. 4.0 APPLICATIONS 4.1 Circuit Examples Figure 4-1 shows a TC110 operating as a 100kHz bootstrapped regulator with soft start. This circuit uses an NPN switching transistor (Zetex FZT690B) that has an hFE of 400 and VCESAT of 100 mV at IC = 1A. Other high beta transistors can be used, but the values of RB and CB may need adjustment if hFE is significantly different from that of the FZT690B. Figure 4-2 and Figure 4-3 both utilize an N-channel switching transistor (Silconix Si9410DY). This transistor is a member of the LittlefootTM family of small outline MOSFETs. The circuit of Figure 4-2 operates in bootstrapped mode, while the circuit of Figure 4-3 operates in non-bootstrapped mode. TABLE 4-1: SUGGESTED COMPONENTS AND SUPPLIERS Type Inductors Capacitors Diodes Transistors Surface Mount Sumida CD54 Series (300kHz) CD75 (100kHz) Coiltronics CTX Series Matsuo 267 Series Sprague 595D Series Nichicon F93 Series Nihon EC10 Series Matsushita MA735 Series N-channel Silconix Si9410DY ON Semiconductor MTP3055EL MTD20N03 Through-Hole Sumida RCH855 Series RCH110 Series Renco RL1284-12 Sanyo OS-CON Series Nichicon PL Series ON Semiconductor 1N5817 - 1N5822 NPN Zetex ZTX694B |
Số phần tương tự - TC110 |
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Mô tả tương tự - TC110 |
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