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L4995AJTR Datasheet(PDF) 10 Page - STMicroelectronics |
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L4995AJTR Datasheet(HTML) 10 Page - STMicroelectronics |
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10 / 35 page  Electrical specifications L4995 10/35 Doc ID 13103 Rev 14 VS, Vo Iqn_150 Current consumption with regulator enabled VS = 13.5V, Io = 150mA, 740 1000 µA VS, Vo Iqn_250 Current consumption with regulator enabled VS= 13.5V, Io= 250mA, 11.4 mA VS, Vo Iqn_500 Current consumption with regulator enabled VS= 13.5V, Io= 500mA, 2.1 2.7 mA Tw Thermal protection temperature 150 190 °C Tw_hy Thermal protection temperature hysteresis 10 °C 1. See Figure 28. 2. Measured output current when the output voltage has dropped 100mV from its nominal value obtained at Vs=13.5V and Io= 250mA. 3. Vs-Vo measured when the output voltage has dropped 100mV from its nominal value obtained at Vs=13.5V and Io= 250mA. 4. Guaranteed by design. Table 6. Reset Pin Symbol Parameter Test condition Min. Typ. Max. Unit Res Vres_l Reset output low voltage Rext = 5kΩ to Vo, Vo > 1V 0.4 V Res IRes_lkg Reset output high leakage current VRes = 5V 1 µA Res RRes Pull up internal resistance (versus Vo) 10 20 40 k Ω Res Vo_th Vo out of regulation threshold VS = 5.6 to 31V Io = 1 to 500mA 6% 8% 10% below Vo_ref Vcr VRlth Reset delay circuit low threshold VS = 13.5V 10% 13% 16% Vo_ref Vcr VRhth Reset delay circuit high threshold VS =13.5V 44% 47% 50% Vo_ref Vcr Icr Charge current VS = 13.5V 8 15 30 µA Vcr Idr Discharge current VS = 13.5V 8 15 30 µA Res Trr Reset reaction time(1) 1. When Vo becomes lower than 4V, the reset reaction time decreases down to 2µs assuring a faster reset condition in this particular case. Vo = Vo_th -100mV 100 250 700 µs Res Trd Reset delay time VS = 13.5V, Ctr = 47nF 12 33 73 ms Table 5. General (continued) Pin Symbol Parameter Test condition Min. Typ. Max. Unit |
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