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L78M18CP Datasheet(PDF) 9 Page - STMicroelectronics |
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L78M18CP Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 21 page L78M00 SERIES 9/21 ELECTRICAL CHARACTERISTICS OF L78M20C (refer to the test circuits, TJ = 25°C, VI =29V, IO =350 mA, CI =0.33 µF, CO = 0.1 µF unless otherwise specified). ELECTRICAL CHARACTERISTICS OF L78M24C (refer to the test circuits, TJ = 25°C, VI =33V, IO =350 mA, CI =0.33 µF, CO = 0.1 µF unless otherwise specified), Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage 19.2 20 20.8 V VO Output Voltage IO = 5 to 350 mA VI =23to35V 19 20 21 V ∆V O Line Regulation VI = 23to 35V IO = 200 mA 100 mV VI = 24to 35V IO = 200 mA 50 ∆V O Load Regulation IO = 5 to 500 mA TJ = 25°C 400 mV IO = 5 to 200 mA TJ = 25°C 200 Id Quiescent Current 6mA ∆I d Quiescent Current Change IO = 5 to 350 mA 0.5 mA IO = 200 mA VI =23to35V 0.8 ∆V O/∆T Output Voltage Drift IO =5mA TJ = 0 to 125°C -1.1 mV/°C SVR Supply Voltage Rejection VI = 24to 34V f=120Hz IO = 300mA 53 dB eN Output Noise Voltage B =10Hz to 100KHz 110 µV Vd Dropout Voltage 2 V Isc Short Circuit Current VI = 35 V 240 mA Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage 23 24 25 V VO Output Voltage IO = 5 to 350 mA VI =27to38V 22.8 24 25.2 V ∆V O Line Regulation VI = 27to 38V IO = 200 mA 100 mV VI = 28to 38V IO = 200 mA 50 ∆V O Load Regulation IO = 5 to 500 mA TJ = 25°C 480 mV IO = 5 to 200 mA TJ = 25°C 240 Id Quiescent Current 6mA ∆I d Quiescent Current Change IO = 5 to 350 mA 0.5 mA IO = 200 mA VI =27to38V 0.8 ∆V O/∆T Output Voltage Drift IO =5mA TJ = 0 to 125°C -1.2 mV/°C SVR Supply Voltage Rejection VI = 28to 38V f=120Hz IO = 300mA 50 dB eN Output Noise Voltage B =10Hz to 100KHz 170 µV Vd Dropout Voltage 2 V Isc Short Circuit Current VI = 35 V 240 mA |
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