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STK740-490 数据表(PDF) 8 Page - Sanyo Semicon Device |
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STK740-490 数据表(HTML) 8 Page - Sanyo Semicon Device |
8 / 10 page STK740-441 No.6106–8/10 Eveluation Board The evaluation board is provided to evaluate this hybrid IC ♦ Equivalent Circuit 1 2 3 4 5 6 7 8 9 10 11 12 VIN GND Vs GND L1 C2 C1 FB1 IC1 Vo ON/O FF R2 ♦ Parts Table Part name Requirements Number Manufacturer Notes C1 Electrolytic capacitor 220 µF/10V 2200 µF/6.3V 1 Sanyo Electronic component co., ltd. OS capacitor C2 Electrolytic capacitor 1 Sanyo Electronic component co., ltd. Low impedance (CG) R2 Resistor 100 Ω 1 R3 Jumper 1 R6 Jumper 1 Use a fuse resistor (20 to 30 Ω) when needed FB1 Ferrite-bead core BL02RN1-R62 1 Murata manufacturing co., ltd. L1 Choke coil HK-10S100-4500 1 Toho zinc co., ltd. 45 µH, 5A ♦ Notes on pattern designing 1 Place VCC pin (pin 6) and VIN pins (pin 11 and 12) lines separately and use an input capacitor (+) for connection. 2 Place GND pin (pin 5) and A pin (pins 7 and 8) lines separately. 3 Connect A pin (pins 7 and 8) with the input capacitor (–) through a Ferrite-bead core. 4 Connect GND pin (pin 5) with the input capacitor (–) or the output capacitor (–). However, connect with the output capacitor (–) unless otherwise specified. 5 Shorten the length of the line between the input capacitor (–) and the output capacitor (–) as well as possible. 6 Connect VS pin (pin 2) with the output capacitor (+). |
类似零件编号 - STK740-490 |
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类似说明 - STK740-490 |
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