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L6920DB Datasheet(PDF) 5 Page - STMicroelectronics |
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L6920DB Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 16 page L6920DB Electrical characteristics 5/16 3 Electrical characteristics Table 4. Electrical characteristcs (VIN = 2V, FB = GND, TJ = 25°C unless otherwise specified) Symbol Parameter Test condition Min Typ Max Unit VCC Section VIN Minimum Start Up Input Voltage Vout = 3.3V 0.8 V Iq Quiescent Current Il = 0 mA, FB = 1.4V, Vout = 3.3V LBI = SHDN = 2V 912 µA Il = 0 mA, FB = 1.4V, Vout = 5V LBI = SHDN = 2V 11 15 µA Isd Shut Down Current Vin = 5V, Il = 0 mA 0.1 1 µA Irev Reverse battery current Vin = -4V 0.1 1 µA Power section Ron-N Active switch ON resistance 300 m Ω Ron-P Synchronous switch ON resistance 300 m Ω Control section Vout Output voltage FB = OUT, Il = 0 mA 3.2 3.3 3.4 V FB = GND, Il = 0 mA 4.955.1 V Output voltage range External divider 1.8 5.2 V VLBI LBI threshold 1.23 V VLBO LBO logic LOW Isink = 1mA 0.2 0.4 V Ilim LX switch current limit 0.7 0.8 0.9 A Tonmax Maximum on time Vout = 3.3V 3.75 5 6.25 µs Toffmin Minimum off time Vout = 3.3V 0.75 1 1.25 µs SHDN SHDN logic LOW 0.2 V SHDN logic HIGH 0.6 V Vref Reference Voltage 1.18 1.23 1.27 V |
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