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L7808CD2T Fiches technique(PDF) 9 Page - STMicroelectronics |
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L7808CD2T Fiches technique(HTML) 9 Page - STMicroelectronics |
9 / 34 page L7800 SERIES 9/34 Table 11: Electrical Characteristics Of L7824 (refer to the test circuits, TJ = -55 to 150°C, VI = 33V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified). (*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Table 12: Electrical Characteristics Of L7805C (refer to the test circuits, TJ = 0 to 125°C, VI = 10V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified). (*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage TJ = 25°C 232425 V VO Output Voltage IO = 5 mA to 1 A PO ≤ 15W VI = 28 to 38 V 22.8 24 25.2 V ∆V O(*) Line Regulation VI = 27 to 38 V TJ = 25°C 240 mV VI = 30 to 36 V TJ = 25°C 120 ∆V O(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 240 mV IO = 250 to 750 mA TJ = 25°C 120 Id Quiescent Current TJ = 25°C 6 mA ∆I d Quiescent Current Change IO = 5 mA to 1 A 0.5 mA VI = 28 to 38 V 0.8 ∆V O/∆T Output Voltage Drift IO = 5 mA 3 mV/°C eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/V O SVR Supply Voltage Rejection VI = 28 to 38 V f = 120Hz 56 dB Vd Dropout Voltage IO = 1 A TJ = 25°C 2 2.5 V RO Output Resistance f = 1 KHz 28 m Ω Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 1.2 A Iscp Short Circuit Peak Current TJ = 25°C 1.3 2.2 3.3 A Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage TJ = 25°C 4.8 5 5.2 V VO Output Voltage IO = 5 mA to 1 A PO ≤ 15W VI = 7 to 20 V 4.75 5 5.25 V ∆V O(*) Line Regulation VI = 7 to 25 V TJ = 25°C 3 100 mV VI = 8 to 12 V TJ = 25°C 1 50 ∆V O(*) Load Regulation IO = 5 mA to 1.5 A TJ = 25°C 100 mV IO = 250 to 750 mA TJ = 25°C 50 Id Quiescent Current TJ = 25°C 8 mA ∆I d Quiescent Current Change IO = 5 mA to 1 A 0.5 mA VI = 7 to 25 V 0.8 ∆V O/∆T Output Voltage Drift IO = 5 mA -1.1 mV/°C eN Output Noise Voltage B =10Hz to 100KHz TJ = 25°C 40 µV/V O SVR Supply Voltage Rejection VI = 8 to 18 V f = 120Hz 62 dB Vd Dropout Voltage IO = 1 A TJ = 25°C 2 V RO Output Resistance f = 1 KHz 17 m Ω Isc Short Circuit Current VI = 35 V TJ = 25°C 0.75 A Iscp Short Circuit Peak Current TJ = 25°C 2.2 A |
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