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L78S10CV Datasheet(PDF) 11 Page - STMicroelectronics |
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L78S10CV Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 31 page L78Sxx - L78SxxC Electrical characteristics 11/31 Table 11. Electrical characteristics of L78S24 (refer to the test circuits, TJ = 25 °C, VI = 33 V, 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 = 1A, VI = 27V 22.8 24 25.2 V ΔVO Line regulation VI = 27 to 38V 480 mV VI = 30 to 36V 240 ΔVO Load regulation IO = 20 mA to 2A 250 mV IQ Quiescent current 8 mA ΔIQ Quiescent current change IO = 20mA to 1A 0.5 mA VI = 27 to 38 V, IO = 20mA 1 ΔVO/ΔT Output voltage drift IO = 5mA, TJ = -55°C to 150°C -1.5 mV/°C eN Output noise voltage B =10Hz to 100kHz 170 µV SVR Supply voltage rejection f = 120Hz 48 dB VI Operating input voltage IO ≤1.5A 27 V RO Output resistance f = 1 kHz 23 m Ω Isc Short circuit current VI = 27V 500 mA Iscp Short circuit peak current 3 A Table 12. Electrical characteristics of L78S05C (refer to the test circuits, TJ = 25 °C, VI = 10 V, IO = 500 mA, unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage 4.8 5 5.2 V VO Output voltage IO = 1A, VI = 7V 4.75 5 5.25 V ΔVO Line regulation VI = 7 to 25V 100 mV VI = 8 to 25V 50 ΔVO Load regulation IO = 20 mA to 1.5A 100 mV IO = 2A 80 IQ Quiescent current 8 mA ΔIQ Quiescent current change IO = 20mA to 1A 0.5 mA VI = 7 to 25 V, IO = 20mA 1.3 ΔVO/ΔT Output voltage drift IO = 5mA, TJ = 0°C to 70°C -1.1 mV/°C eN Output noise voltage B =10Hz to 100kHz 40 µV SVR Supply voltage rejection f = 120Hz 54 dB VI Operating input voltage IO ≤1A 8 V RO Output resistance f = 1 kHz 17 m Ω Isc Short circuit current VI = 27V 500 mA Iscp Short circuit peak current 3 A |
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