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L78S15CT Folha de dados(PDF) 8 Page - STMicroelectronics |
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L78S15CT Folha de dados(HTML) 8 Page - STMicroelectronics |
8 / 21 page ![]() ELECTRICAL CHARACTERISTICS FOR L78S18 (refer to the test circuits, Tj =25 oC, Vi = 26V, Io = 500 mA unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit Vo Output Voltage 17.1 18 18.9 V Vo Output Voltage Io =1 A Vi = 20.5 V 17 18 19 V ∆Vo Line Regulation Vi = 20.5 to 30 V Vi = 22to 28V 360 180 mV mV ∆Vo Load Regulation Io = 20 mA to 2 A 200 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 =22 to33 V 1 mA ∆Vo ∆T Output Voltage Drift Io = 5 mA Tj = -55 to 150 oC -1 mV/ oC eN Output Noise Voltage B = 10Hz to 100KHz 110 µV SVR Supply Voltage Rejection f = 120 Hz 49 dB Vi Operating Input Voltage Io ≤ 1.5 A 21 V Ro Output Resistance f = 1KHz 22 m Ω Isc Short Circuit Current Vi = 27 V 500 mA Iscp Short Circuit Peack Current 3 A ELECTRICAL CHARACTERISTICS FOR L78S24 (refer to the test circuits, Tj =25 oC, Vi = 33V, Io = 500 mA unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit Vo Output Voltage 23 24 25 V Vo Output Voltage Io =1 A Vi = 27 V 22.8 24 25.2 V ∆Vo Line Regulation Vi = 27to 38V Vi = 30to 36V 480 240 mV mV ∆Vo Load Regulation Io = 20 mA to 2 A 250 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 = 8 to 25 V 1 mA ∆Vo ∆T Output Voltage Drift Io = 5 mA Tj = -55 to 150 oC -1.5 mV/ oC eN Output Noise Voltage B = 10Hz to 100KHz 170 µV SVR Supply Voltage Rejection f = 120 Hz 48 dB Vi Operating Input Voltage Io ≤ 1.5 A 27 V Ro Output Resistance f = 1KHz 23 m Ω Isc Short Circuit Current Vi = 27 V 500 mA Iscp Short Circuit Peack Current 3 A L78S00 SERIES 8/21 |
Nº de peça semelhante - L78S15CT |
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Descrição semelhante - L78S15CT |
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