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ST750AC Datasheet(PDF) 7 Page - STMicroelectronics |
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ST750AC Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 14 page ST750A Electrical characteristics 7/14 5 Electrical characteristics Table 4. Electrical characteristics (VCC=5V, IO = 0mA, TA = TMIN to TMAX, unless otherwise specified). Symbol Parameter Test conditions Min. Typ. Max. Unit VCC Input voltage 4 11 V VO Output voltage VCC = 6 to 11V, IO = 0 to 450mA 4.75 5 5.25 V ΔVO Line regulation VCC = 4 to 11V 0.15 %/V ΔVO Load regulation IO = 0 to 450mA 0.005 %/mA η Power efficiency IO = 300mA 92 % ISUPPLY Supply current ON Mode 0.8 2.5 mA OFF Mode, SHDN = 0 0.3 100 µA VIH SHDN Input high threshold 2 V VIL SHDN Input low threshold VCC Falling 0.25 V ISHDN Shutdown input leakage current ILX = 500mA 1 μA VLOCK Under voltage lockout VCC = 12V, VLX = 0V 2.7 3 V RDS(on) LX On resistance TA = 25°C 0.5 Ω ILX LX Leakage current 1 µA VREF Reference voltage 1.17 1.24 1.31 V ΔVREF Temperature reference drift 50 ppm/°C fOSC Switching frequency C series 160 200 280 KHz RC Compensation pin impedance 7500 Ω |
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