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LF52C Arkusz danych(PDF) 7 Page - STMicroelectronics |
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LF52C Arkusz danych(HTML) 7 Page - STMicroelectronics |
7 / 32 page ELECTRICAL CHARACTERISTICS FOR LF25AB (refer to the test circuits, Tj =25 oC, 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 = 4.5 V Io =50 mA, Vi = 4.5 V -25<Ta<85 oC 2.475 2.450 2.5 2. 525 2. 550 V V Vi Operating Input Voltage Io = 500 mA 16 V Iout Output Current Limit 1 A ∆Vo Line Regulation Vi = 3.5 to 16 V, Io = 5 mA 2 12 mV ∆Vo Load Regulation Vi = 3.8 V Io = 5 to 500 mA 2 12 mV Id Quiescent Current ON MODE Vi = 3.5 to 16 V Io =0 mA Vi = 3.8 to 16 V Io = 500 mA 0.5 1 12 mA mA OFF MODE Vi =6 V 50 100 µA SVR Supply Voltage Rejection Io = 5 mA Vi = 4.5 V ± 1V f = 120 Hz f= 1 KHz f = 10 KHz 82 77 65 dB dB dB eN Output Noise Voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout Voltage Io = 200 mA Io = 500 mA 0.20 0.40 0.35 0.70 V V Vil Control Input Logic Low -40 < Ta <125 oC0.8 V Vih Control Input Logic High -40 < Ta <125 oC2 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 210 µF ELECTRICAL CHARACTERISTICS FOR LF25C (refer to the test circuits, Tj =25 oC, 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 = 4.5 V Io =50 mA, Vi = 4.5 V -25<Ta<85 oC 2.45 2.4 2.5 2.55 2.6 V V Vi Operating Input Voltage Io = 500 mA 16 V Iout Output Current Limit 1 A ∆Vo Line Regulation Vi = 3.5 to 16 V, Io = 5 mA 2 12 mV ∆Vo Load Regulation Vi = 3.8 V Io = 5 to 500 mA 2 12 mV Id Quiescent Current ON MODE Vi = 3.5 to 16 V Io =0 mA Vi = 3.8 to 16 V Io = 500 mA 0.5 1 12 mA mA OFF MODE Vi =6 V 50 100 µA SVR Supply Voltage Rejection Io = 5 mA Vi = 4.5 V ± 1V f = 120 Hz f= 1 KHz f = 10 KHz 82 77 65 dB dB dB eN Output Noise Voltage B = 10 Hz to 100 KHz 50 µV Vd Dropout Voltage Io = 200 mA Io = 500 mA 0.2 0.4 0.35 0.7 V V Vil Control Input Logic Low -40 < Ta <125 oC0.8 V Vih Control Input Logic High -40 < Ta <125 oC2 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 210 µF LF00AB/C 7/32 |
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