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UC3843AD Datasheet(PDF) 5 Page - ON Semiconductor |
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UC3843AD Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 14 page UC3842A, 43A UC2842A, 43A 5 MOTOROLA ANALOG IC DEVICE DATA Figure 7. Error Amp Open Loop Gain and Phase versus Frequency Figure 8. Current Sense Input Threshold versus Error Amp Output Voltage Figure 9. Reference Voltage Change versus Source Current Figure 10. Reference Short Circuit Current versus Temperature Figure 11. Reference Load Regulation Figure 12. Reference Line Regulation 2.0 ms/DIV 2.0 ms/DIV VCC = 12 V to 25 V TA = 25°C 0 20 40 60 80 100 120 Iref, REFERENCE SOURCE CURRENT (mA) VCC = 15 V TA = 55°C TA = 125°C –55 –25 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE (°C) VCC = 15 V RL ≤ 0.1 Ω VCC = 15 V IO = 1.0 mA to 20 mA TA = 25°C 0 –4.0 –8.0 –12 –16 –20 –24 110 90 70 50 TA = 25°C –20 10 M 10 f, FREQUENCY (Hz) Gain Phase VCC = 15 V VO = 2.0 V to 4.0 V RL = 100 K TA = 25°C 0 30 60 90 120 150 180 100 1.0 k 10 k 100 k 1.0 M 0 20 40 60 80 100 0 VO, ERROR AMP OUTPUT VOLTAGE (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 2.0 4.0 6.0 8.0 VCC = 15 V TA = 25°C TA = –55°C TA = 125°C |
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