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UC3845A Datasheet(PDF) 6 Page - STMicroelectronics |
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UC3845A Datasheet(HTML) 6 Page - STMicroelectronics |
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6 / 16 page  UC384XA - UC284XA 6/16 Figure 9. Current Sense Input Threshold vs. Error Amp Output Voltage. Figure 10. Reference Voltage Change vs. Source Current.. Figure 11. Reference Short Circuit Current vs. Temperature.. Figure 12. Output Saturation Voltage vs. Load Current. Figure 13. Supply Current vs. Supply Voltage. 0246 VO(V) 0.0 0.2 0.4 0.6 0.8 1.0 Vth (V) D95IN338 Vi=15V TA=-40˚C TA=125˚C TA=25˚C 0 20406080 100 Iref(mA) D95IN339 0 10 20 30 40 50 60 Vi=15V TA=-40˚C TA=125˚C -55 -25 0 25 50 75 100 TA(˚C) D95IN340 50 60 70 80 90 100 ISC (mA) Vi=15V RL≤0.1Ω 0 200 400 600 IO(mA) 0 1 2 3 -2 -1 Vsat (V) D95IN341 Vi=15V 80 µs Pulsed Load 120Hz Rate TA=-40˚C TA=25˚C Vi TA=-40˚C TA=25˚C GND Sink Saturation (Load to Vi) Source Saturation (Load to Ground) 0 102030 Vi(V) 0 5 10 15 20 Ii (mA) RT=10K CT=3.3nF VFB=0V ISense=0V TA=25˚C D95IN342 |
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