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ST730ABD-TR Datasheet(PDF) 4 Page - STMicroelectronics |
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ST730ABD-TR Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 9 page ST730A 4/9 ELECTRICAL CHARACTERISTICS (VCC=5V, IO =0mA, TA =TMIN to TMAX, unless otherwise specified.) TYPICAL APPLICATION CIRCUIT 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 ∆V O Line Regulation VCC = 5.2 to 11V 0.15 %/V ∆V O Load Regulatio IO = 0 to 450mA 0.005 %/mA η Power Efficency IO =300mA 92 % ISUPPLY Supply Current ON Mode OFF Mode, SHDN=0 0.8 0.3 2.5 100 mA µA VIH SHDN Input High Threshold 2 V VIL SHDN Input Low Threshold 0.25 V ISHDN Shutdown Input Leakage Current 1 µA VLOCK Under Voltage Lockout VCC Falling 2.7 3 V RDS(on) LX On Resistance ILX=500mA 0.5 Ω ILX LX Leakage Current VCC = 12V VLX =0V 1 µA VREF Reference Voltage TA = 25°C 1.17 1.24 1.31 V ∆V REF Temperature Reference Drift 50 ppm/°C fOSC Switching Frequency B series C series 180 160 200 220 280 KHz RC Compensation Pin Impedance 7500 Ω |
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