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L78S18CV Folha de dados(PDF) 8 Page - STMicroelectronics |
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L78S18CV Folha de dados(HTML) 8 Page - STMicroelectronics |
8 / 31 page Electrical characteristics L78Sxx - L78SxxC 8/31 Table 5. Electrical characteristics of L78S75 (refer to the test circuits, TJ = 25 °C, VI = 12.5 V, IO = 500 mA, unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage 7.15 7.5 7.9 V VO Output voltage IO = 1A, VI = 9.5V 7.1 7.5 7.95 V ΔVO Line regulation VI = 9.5 to 25V 120 mV VI = 10.5 to 20V 60 ΔVO Load regulation IO = 20 mA to 2A 120 mV IQ Quiescent current 8 mA ΔIQ Quiescent current change IO = 20mA to 1A 0.5 mA IO = 20mA, VI = 9.5 to 25V 1.3 ΔVO/ΔT Output voltage drift IO = 5mA, TJ = -55°C to 150°C -0.8 mV/°C eN Output noise voltage B =10Hz to 100kHz 52 µV SVR Supply voltage rejection f = 120Hz 54 dB VI Operating input voltage IO ≤1.5A 10.5 V RO Output resistance f = 1 kHz 16 m Ω Isc Short circuit current VI =27V 500 mA Iscp Short circuit peak current 3 A Table 6. Electrical characteristics of L78S09 (refer to the test circuits, TJ = 25 °C, VI = 14 V, IO = 500 mA, unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage 8.65 9 9.35 V VO Output voltage IO = 1A, VI = 11V 8.6 9 9.4 V ΔVO Line regulation VI = 11 to 25V 130 mV VI = 11 to 20V 65 ΔVO Load regulation IO = 20 mA to 2A 130 mV IQ Quiescent current 8 mA ΔIQ Quiescent current change IO = 20mA to 1A 0.5 mA VI = 11 to 25 V, IO = 20mA 1.3 ΔVO/ΔT Output voltage drift IO = 5mA, TJ = -55°C to 150°C -1 mV/°C eN Output noise voltage B =10Hz to 100kHz 60 µV SVR Supply voltage rejection f = 120Hz 53 dB VI Operating input voltage IO ≤1.5A 12 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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