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L7918CV Datenblatt(PDF) 10 Page - STMicroelectronics |
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L7918CV Datenblatt(HTML) 10 Page - STMicroelectronics |
10 / 24 page Electrical characteristics L7900 series 10/24 Table 10. Electrical characteristics of L7924C (refer to the test circuits, TJ = 0 to 125°C, VI = -33V, IO = 500 mA, CI = 2.2 µF, CO = 1 µF unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25°C -23 -24 -24.5 V VO Output voltage IO = -5 mA to -1 A, PO ≤15 W VI = -27 to -38 V -22.8 -24 -25.2 V ∆VO(1) Line regulation VI = -27 to -38 V, TJ = 25°C 480 mV VI = -30 to -36 V, TJ = 25°C 240 ∆VO(1) Load regulation IO = 5 mA to 1.5 A, TJ = 25°C 480 mV IO = 250 to 750 mA, TJ = 25°C 240 Id Quiescent current TJ = 25°C 3 mA ∆Id Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = -27 to -38 V 1 ∆VO/∆T Output voltage drift IO = 5 mA -1 mV/°C eN Output noise voltage B = 10Hz to 100KHz, TJ = 25°C 400 µV SVR Supply voltage rejection ∆VI = 10 V, f = 120Hz 54 60 dB Vd Dropout voltage IO = 1 A, TJ = 25°C, ∆VO = 100 mV 1.1 V Isc Short circuit current 1.1 A 1. 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. |
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