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LM340 数据表(PDF) 14 Page - ON Semiconductor |
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LM340 数据表(HTML) 14 Page - ON Semiconductor |
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14 / 20 page ![]() LM340, A Series 14 MOTOROLA ANALOG IC DEVICE DATA Vout = 5.0 V Vin = 10 V Vin = 10 V CO = 0 f = 120 Hz TJ = 25°C Iout = 1.5 A Vout = 5.0 V Vin = 10 V CO = 0 TJ = 25°C Figure 5. Ripple Rejection versus Frequency Figure 6. Ripple Rejection versus Output Current Figure 7. Quiescent Current versus Input Voltage Figure 8. Quiescent Current versus Output Current Figure 9. Dropout Voltage Figure 10. Peak Output Current 100 80 60 40 20 1.0 10 100 1.0 k 10 k 100 k 1.0 M 10 M 100 M f, FREQUENCY (Hz) Iout = 50 mA 4.0 3.0 2.0 1.0 0 010 20 30 40 Vin, INPUT VOLTAGE (Vdc) 5.0 4.0 3.0 2.0 1.0 0 0.01 0.1 1.0 10 Iout, OUTPUT CURRENT (A) 100 80 60 40 30 0.01 0.1 1.0 10 Iout, OUTPUT CURRENT (A) TJ = 25°C Vout = 5.0 V Iout = 1.0 A TJ = 25°C Vin – Vout = 5.0 V 2.5 2.0 1.5 1.0 0.5 0 –75 –50 –25 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE (°C) ∆Vout = 100 mV IO = 1.0 A IO = 500 mA IO = 10 mA 4.0 3.0 2.0 1.0 0 0 1020 3040 Vin–Vout, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V) TJ = 25°C |
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