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L78L18ACUTR Datasheet(PDF) 10 Page - STMicroelectronics |
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L78L18ACUTR Datasheet(HTML) 10 Page - STMicroelectronics |
10 / 33 page Electrical characteristics L78LxxAB, L78LxxAC, L78LxxC 10/33 Doc ID 2145 Rev 21 TJ = 0 to 125 °C for L78L33AC, TJ = -40 to 125 °C for L78L33AB. Id Quiescent current TJ = 25 °C 6.5 mA TJ = 125 °C 6 mA ΔId Quiescent current change IO = 1 to 40 mA 0.2 mA VI = 23 to 33 V 1.5 eN Output noise voltage B =10 Hz to 100 kHz, TJ = 25 °C 120 µV SVR Supply voltage rejection VI = 23 to 33 V, f = 120 Hz IO = 40 mA, TJ = 25 °C 32 38 dB Vd Dropout voltage 1.7 V Table 11. Electrical characteristics of L78L18C (VI = 27 V) (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit Table 12. Electrical characteristics of L78L24C (VI = 33 V) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 22.1 24 25.9 V VO Output voltage IO = 1 to 40 mA, VI = 27 to 38 V 21.6 26.4 V IO = 1 to 70 mA, VI = 33 V 21.6 26.4 ΔVO Line regulation VI = 27 to 38 V, TJ = 25 °C 350 mV VI = 28 to 38 V, TJ = 25 °C 300 ΔVO Load regulation IO = 1 to 100 mA, TJ = 25 °C 200 mV IO = 1 to 40 mA, TJ = 25 °C 100 Id Quiescent current TJ = 25 °C 6.5 mA TJ = 125 °C 6 mA ΔId Quiescent current change IO = 1 to 40 mA 0.2 mA VI = 28 to 38 V 1.5 eN Output noise voltage B =10 Hz to 100 kHz, TJ = 25 °C 200 µV SVR Supply voltage rejection VI = 29 to 35 V, f = 120 Hz IO = 40 mA, TJ = 25 °C 30 37 dB Vd Dropout voltage 1.7 V Table 13. Electrical characteristics of L78L33AB and L78L33AC (VI = 8.3 V) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25 °C 3.168 3.3 3.432 V VO Output voltage IO = 1 to 40 mA, VI = 5.3 to 20 V 3.135 3.465 V IO = 1 to 70 mA, VI = 8.3 V 3.135 3.465 ΔVO Line regulation VI = 5.3 to 20 V, TJ = 25 °C 150 mV VI = 6.3 to 20 V, TJ = 25 °C 100 |
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