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UC3842AN データシート(PDF) 8 Page - STMicroelectronics |
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UC3842AN データシート(HTML) 8 Page - STMicroelectronics |
8 / 16 page UC384XA - UC284XA 8/16 Figure 18. Under Voltage Lockout. Figure 19. Current Sense Circuit. Peak current (is) is determined by the formula A small RC filter may be required to suppress switch transients. Figure 20. Slope Compensation Techniques. UC3842A UC3844A UC3843A UC3845A 16V 8.4V 10V 7.6V VON VOFF Vi ON/OFF COMMAND TO REST OF IC 7 <0.5mA <17mA ICC VCC VOFF VON D95IN346mod ERROR AMPL. 2R R1V CURRENT SENSE COMPARATOR 1 CURRENT SENSE COMP C RS R 3 5 GND IS D95IN347 I Smax 1.0V R S ------------ ≈ RS R1 IS RSLOPE CT RT VREG 8 RT/CT ISENSE 4 3 5 GND RS R1 IS RSLOPE CT RT VREG 8 RT/CT ISENSE 4 3 5 GND D95IN348 |
同様の部品番号 - UC3842AN |
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同様の説明 - UC3842AN |
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