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AS1347 Datasheet(PDF) 5 Page - ams AG |
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AS1347 Datasheet(HTML) 5 Page - ams AG |
5 / 16 page www.ams.com/DC-DC_Step-Down Revision 1.10 5 - 16 AS1346-49 Datasheet - Electrical Characteristics RDSON2(P) Pin-Pin Resistance for PMOS2 VDD = 5.0V, ISW = 200mA 150 m RDSON2(N) Pin-Pin Resistance for NMOS2 VDD = 5.0V, ISW = 200mA 250 m Enable VIH,EN Logic high input threshold 1.2 V VIH,EN Logic low input threshold 0.5V V Low Battery & Power-OK VLBI LBI Threshold Falling Edge 1.16 1.2 1.24 V LBI Hysteresis 10 mV LBI Leakage Current LBI = 5V, TA = 25°C 1 nA LBO Voltage Low 2 ILBO = 0.1mA 0.05 V LBO Leakage Current LBO = 5V, TA = 25°C 1 nA Power-OK Threshold LBI = 0V, Falling Edge 85 88 90 % 1. The dynamic supply current is higher due to the gate charge delivered at the switching frequency. The Quiescent Current is measured while the DC-DC Converter is not switching. 2. LBO goes low in startup mode as well as during normal operation if, 1) The voltage at the LBI pin is higher than LBI threshold. 2) The voltage at the LBI pin is below 0.1V (connected to GND) and VOUT1 is below 92.5% of its nominal value. Table 4. Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units |
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