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NCP5008 Datasheet(PDF) 11 Page - ON Semiconductor |
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NCP5008 Datasheet(HTML) 11 Page - ON Semiconductor |
11 / 17 page NCP5008, NCP5009 http://onsemi.com 11 DC/DC Converter Operation The DC/DC converter operates with a boost structure depicted in Figure 21, the load being supplied by the pulsed current coming from the external inductor L1. The current is monitored by the internal sense resistor Rsense to Set and Reset the flip−flop U3 and U6 according to the comparators U2 and U4 output state. Figure 21. Basic DC/DC Boost Structure + − + − Vbat GND U1 Rsense 1R8 Vbat L1 Vbat L1 22 mH L2 Q1 GND Vbat GND Ipeak_ref Ivalley_ref Vbat + − U2 U4 GND POR U5 D4 LED D3 LED D2 LED D1 LED D5 MBR0520 GND GND C2 2.2 mF/16 V U7 U3 U6 |
Similar Part No. - NCP5008_06 |
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Similar Description - NCP5008_06 |
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