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XCL101 Datasheet(PDF) 7 Page - Torex Semiconductor |
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XCL101 Datasheet(HTML) 7 Page - Torex Semiconductor |
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7 / 19 page ![]() 7/19 XCL101 Series <Test Circuit No.①> <Test Circuit No.②> <Test Circuit No.③> <Test Circuit No.④> <Test Circuit No.⑤> L1 L2 Lx VOUT VBAT CE GND NC A L1 L2 Lx VOUT VBAT CE GND NC A A L1 L2 Lx VOUT VBAT CE GND NC A <Test Circuit No.⑥> <Test Circuit No.⑦> <Test Circuit No.⑧> L1 L2 Lx VOUT VBAT CE GND NC A L1 L2 Lx VOUT VBAT CE GND NC Vpull V A CIN CL Rpull Waveform check point L1 L2 Lx VOUT VBAT CE GND NC Waveform check point V A A CIN CL RL L V L1 L2 Lx VOUT VBAT CE GND NC CIN V ↓ L1 L2 Lx VOUT VBAT CE GND NC Vpull CIN CL Rpull Waveform check point V1 ■ TEST CIRCUITS *External conpornents CIN:4.7μF(Ceramic) CL:10μF(Ceramic) Rpull:100 ohm *External conpornents CIN:4.7μF(Ceramic) CL:10μF(Ceramic) L:4.7μH(Selected goods) *External conpornents CIN:4.7μF(Ceramic) CL:10μF(Ceramic) Rpull:4.7 ohm *External conpornents CIN:4.7μF(Ceramic) <LX SW “Nch” ON Resistance Measurement Method> Use Test Circuit No.8 to adjust Vpull so that the LX pin voltage becomes 100mV when the Nch drive Tr is ON and then the voltage at both ends of Rpull is measured to find the Lx SW "Nch" ON resistance. RLXN=0.1 / {(V1 - 0.1) / 4.7)} Note that V1 is the Rpull previous voltage when the Nch driver Tr is ON. Use an oscilloscope or other instrument to measure the LX pin voltage and V1. |
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