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L78S24T 데이터시트(PDF) 11 Page - STMicroelectronics |
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L78S24T 데이터시트(HTML) 11 Page - STMicroelectronics |
11 / 21 page ELECTRICAL CHARACTERISTICS FOR L78S12C (refer to the test circuits, Tj =25 oC, Vi = 19V, Io = 500 mA unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit Vo Output Voltage 11.5 12 12.5 V Vo Output Voltage Io =1 A Vi = 14.5 V 11.4 12 12.6 V ∆Vo Line Regulation Vi = 14.5 to 30 V Vi = 16to 22V 240 120 mV mV ∆Vo Load Regulation Io = 20 mA to 1.5 A Io = 2 A 150 240 mV Id Quiescent Current 8mA ∆Id Quiescent Current Change Io = 20 mA to 1A 0.5 mA ∆Id Quiescent Current Change Io =20 mA Vi = 14.5 to 30 V 1 mA ∆Vo ∆T Output Voltage Drift Io = 5 mA Tj = 0 to 70 oC -1 mV/ oC eN Output Noise Voltage B = 10Hz to 100KHz 75 µV SVR Supply Voltage Rejection f = 120 Hz 47 dB Vi Operating Input Voltage Io ≤ 1.5 A 15 V Ro Output Resistance f = 1KHz 18 m Ω Isc Short Circuit Current Vi = 27 V 500 mA Iscp Short Circuit Peack Current 3 A ELECTRICAL CHARACTERISTICS FOR L78S15C (refer to the test circuits, Tj =25 oC, Vi = 23V, Io = 500 mA unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit Vo Output Voltage 14.4 15 15.6 V Vo Output Voltage Io =1 A Vi = 17.5 V 14.25 15 15.75 V ∆Vo Line Regulation Vi = 17.5 to 30 V Vi = 20to 26V 300 150 mV mV ∆Vo Load Regulation Io = 20 mA to 1.5 A Io = 2 A 150 300 mV Id Quiescent Current 8mA ∆Id Quiescent Current Change Io = 20 mA to 1A 0.5 mA ∆Id Quiescent Current Change Io =20 mA Vi = 17.5 to 30 V 1 mA ∆Vo ∆T Output Voltage Drift Io = 5 mA Tj = 0 to 70 oC -1 mV/ oC eN Output Noise Voltage B = 10Hz to 100KHz 90 µV SVR Supply Voltage Rejection f = 120 Hz 46 dB Vi Operating Input Voltage Io ≤ 1.5 A 18 V Ro Output Resistance f = 1KHz 19 m Ω Isc Short Circuit Current Vi = 27 V 500 mA Iscp Short Circuit Peack Current 3 A L78S00 SERIES 11/21 |
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