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APW7071 Datasheet(PDF) 3 Page - Anpec Electronics Coropration |
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APW7071 Datasheet(HTML) 3 Page - Anpec Electronics Coropration |
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3 / 15 page  Copyright © ANPEC Electronics Corp. Rev. A.1 - Feb., 2006 APW7071 www.anpec.com.tw 3 Absolute Maximum Ratings Symbol Parameter Rating Unit Vin Supply voltage 7 V FB Feedback Voltage 7 V SHDN Shutdown Voltage 7 V SW Switch Voltage 20 V TJ Junction Temperature Range 150 °C TSTG Storage Temperature Range -40 to +150 °C Recommend Operating Conditions Value Symbol Parameter Min. Typ. Max. Unit Vin Input supply voltage 2.4 6.0 V Vsw Switch voltage Vin 18 V L Inductor 4.7 µH Cin Input capacitor 4.7 µF Cout Output capacitor 0.1 µF Ta Operating ambient temperature -40 85 °C Tj Operating junction temperature -40 125 °C Electrical Characteristics V IN=2.4V, EN=VIN, TA=-40°C to +85°C, typical values are at TA=+25°C (unless otherwise noted) APW7071 Symbol Parameter Test Condition Min. Typ. Max. Unit Supply Voltage and Current Vin Input Voltage Range 2.4 6 V Iq Operating quiescent current Iout=0, not switching, VFB=0.3V 70 90 µA Isd Shutdown current SHDN=GND 0.1 1 µA UVLO Under-Voltage Lockout threshold 2.1 2.3 V Under-Voltage Lockout hysteresis 100 mV ENABLE VIH SHDN high level input voltage 1.3 V VIL SHDN low level input voltage 0.4 V Ii SHDN input leakage current SHDN=GND or VIN 0.1 1 µA Power Switch and Current limit Vsw Maximum switching voltage 20 V toff Minimum off-time 350 400 500 ns ton Maximum on-time 4 6 7.5 µs Rds,on MOSFET on-resistance Vin=2.4V, Isw=200mA 600 1000 m Ω MOSFET leakage current Vsw=20V 1 10 µA ILIM MOSFET current limit 350 400 450 mA |
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