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LF47AB Scheda tecnica(PDF) 5 Page - STMicroelectronics |
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LF47AB Scheda tecnica(HTML) 5 Page - STMicroelectronics |
5 / 34 page ![]() LF00 SERIES 5/34 ELECTRICAL CHARACTERISTICS FOR LF12C (refer to the test circuits, Tj =25°C, CI =0.1 µF, CO =2.2 µF unless otherwise specified.) ELECTRICAL CHARACTERISTICS FOR LF15AB (refer to the test circuits, Tj =25°C, CI =0.1 µF, CO =2.2 µF unless otherwise specified.) Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage IO = 50 mA, VI = 3.3 V 1.225 1.25 1.275 V IO = 50 mA, VI = 3.3 V, Ta = -25 to 85°C 1.2 1.3 VI Operating Input Voltage IO = 500 mA 2.5 16 V IO Output Current Limit 1 A ∆V O Line Regulation VI = 2.5 to 16 V, IO = 5 mA 2 10 mV ∆V O Load Regulation VI = 2.8 V IO = 5 to 500 mA 2 10 mV Id Quiescent Current VI = 2.5 to 16V, IO = 0mA ON MODE 0.5 1 mA VI = 2.6 to 16V, IO = 500mA 12 VI = 6 V OFF MODE 50 100 µA SVR Supply Voltage Rejection IO =5 mA VI = 3.5±1V f = 120 Hz 82 dB f = 1 KHz 77 f = 10 KHz 65 eN Output Noise Voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout Voltage IO = 200 mA 1.25 V VIL Control Input Logic Low Ta = -40 to 125°C 0.8 V VIH Control Input Logic High Ta = -40 to 125°C 2 V II Control Input Current VI =6 V, VC =6 V 10 µA CO Output Bypass Capacitance ESR = 0.1 to 10 Ω IO = 0 to 500 mA 2 10 µF Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage IO = 50 mA, VI = 3.5 V 1.485 1.5 1.515 V IO = 50 mA, VI = 3.5 V, Ta = -25 to 85°C 1.470 1.530 VI Operating Input Voltage IO = 500 mA 2.5 16 V IO Output Current Limit 1 A ∆V O Line Regulation VI = 2.5 to 16 V, IO = 5 mA 2 10 mV ∆V O Load Regulation VI = 2.8 V, IO = 5 to 500 mA 2 10 mV Id Quiescent Current VI = 2.5 to 16V, IO = 0mA ON MODE 0.5 1 mA VI = 2.8 to 16V, IO = 500mA 12 VI = 6 V OFF MODE 50 100 µA SVR Supply Voltage Rejection IO =5 mA VI = 3.5±1V f = 120 Hz 82 dB f = 1 KHz 77 f = 10 KHz 65 eN Output Noise Voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout Voltage IO =200 mA 1 V VIL Control Input Logic Low Ta = -40 to 125°C 0.8 V VIH Control Input Logic High Ta = -40 to 125°C 2 V II Control Input Current VI =6 V, VC =6 V 10 µA CO Output Bypass Capacitance ESR = 0.1 to 10 Ω IO = 0 to 500 mA 2 10 µF |
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