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VB409SP 数据表(PDF) 4 Page - STMicroelectronics |
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VB409SP 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 9 page ![]() 4/9 VB409 / VB409SP Input current li miter Vref1 Vref2 Thermal protection Output current limiter Vref3 Threshold Cap GND INPUT MAIN + OUTPUT RLOAD R1 R2 C1 VB049a1 Figure 1: Application scheme 1 APPLICATION EXAMPLE (without heatsink; R1=1M Ω; C1=47µF) (without heatsink; R1=1M Ω; C1=100µF) IOUT R2 PAV 10 mA 560 K Ω 0.32 W 15 mA 470 K Ω 0.49 W 20 mA 390 K Ω 0.67 W IOUT R2 PAV 20mA 390 K Ω 0.70 W 25mA 330 K Ω 0.92 W 30mA 270 K Ω 1.20 W 35mA 220 K Ω 1.53 W 40mA 180 K Ω 1.92 W |
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