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ST763ABD Datasheet(PDF) 4 Page - STMicroelectronics |
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ST763ABD Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 10 page ST763A SERIES 4/10 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 3.3 11 V VO Output Voltage VCC = 4 to 11V IO =0 to 300mA VCC = 4.75 to 11V IO =0 to 500mA 3.135 3.135 3.3 3.3 3.465 3.465 V V ∆V O Line Regulation 0.13 %/V ∆V O Load Regulatio IO = 1 to 500mA 0.005 %/mA η Power Efficency IO =300mA IO =100mA 88 90 % % ISUPPLY Supply Current ON Mode (Including Switch Current) OFF Mode 0.6 0.2 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 1 Ω ILEAK LX Leakage Current VCC = 12V VLX = 0V 10 nA VREF Reference Voltage TA = 25°C 1.18 1.25 1.32 V ∆V REF Temeperature Reference Drift TA = TMIN to TMAX 50 ppm/°C fOSC Switching Frequency 159 200 212.5 KHz RC Compensation Pin Impedance 7500 Ω CC SS REF SHDN Vcc Lx OUT GND + 470 pF 220 µF 1 µF 1500 pF 100 µF 22 µH Vout Vin 0.047 µF STPS330U + |
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