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MC33063A 数据表(PDF) 6 Page - ON Semiconductor |
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MC33063A 数据表(HTML) 6 Page - ON Semiconductor |
6 / 15 page MC34063A, MC33063A, SC34063A, SC33063A, NCV33063A http://onsemi.com 6 9a. External NPN Switch 9b. External NPN Saturated Switch (See Note 8) 8 7 6 Rsc Vin 1 2 Vout R R ³ 0 for constant Vin 8. If the output switch is driven into hard saturation (non−Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents (≥ 30 mA), it may take up to 2.0 ms to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a non−Darlington configuration is used, the following output drive condition is recommended. 8 7 6 Rsc Vin 1 2 Vout Figure 10. External Current Boost Connections for IC Peak Greater than 1.5 A |
类似零件编号 - MC33063A |
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类似说明 - MC33063A |
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