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ELM91331CA-S Datasheet(PDF) 4 Page - ELM Technology Corporation |
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ELM91331CA-S Datasheet(HTML) 4 Page - ELM Technology Corporation |
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4 / 22 page  4 Parameter Symbol Condition Min. Typ. Max. Unit Output voltage Vout Iout=1mA, Vin=3V 4.875 5.000 5.125 V Input voltage Vin 0.9 6.0 V Starting voltage Vst Iout=1mA 0.9 V Holding voltage Vhold Iout=1mA 0.7 V Current consumption 1 Iss1 Vout=Vout(T)×0.95 20 45 μA Current consumption 2 Iss2 Vout=Vout(T)+0.5V 2 5 μA On-resistance of LX switch Ron Vout=Vout(T)×0.95 0.7 1.5 Ω Leakage current of LX pin Ilxl Vout=Vlx=6V 1 μA Oscillating frequency Fosc Vout=Vout(T)×0.95 80 100 120 kHz Voltage limit of LX pin (LX switch ON) Vlxlim Vout=Vout(T)×0.95 0.5 0.7 0.9 V Duty ratio Duty Vout=Vout(T)×0.95 67 75 83 % L=100μH, Cin=Cout=47μF, D=MA2Z748, Vss=0V, Top=25°C ELM91501xA * Vout: Input voltage to out pin; Vout(T): Typ. value of Vout. Parameter Symbol Condition Min. Typ. Max. Unit Output voltage Vout Iout=1mA, Vin=1.5V 1.755 1.800 1.845 V Input voltage Vin 0.9 6.0 V Starting voltage Vst Iout=1mA 1.1 V Holding voltage Vhold Iout=1mA 0.7 V Current consumption 1 Iss1 Vout=Vout(T)×0.95, EXT: No-Load 10 25 μA Current consumption 2 Iss2 Vout=Vout(T)+0.5V 2 5 μA On-resistance of EXT “High” Rexth Vout=Vout(T)×0.95, Vext=Vout-0.4V 90 170 Ω On-resistance of EXT “Low” Rextl Vout=Vout(T)×0.95, Vext=0.4V 70 120 Ω Oscillating frequency Fosc Vout=Vout(T)×0.95 80 100 120 kHz Duty ratio Duty Vout=Vout(T)×0.95 67 75 83 % FET=ELM37400FA, L=33μH, Cin=Cout=100μF, D=MA735, Vss=0V, Top=25°C ELM91183xA Parameter Symbol Condition Min. Typ. Max. Unit Output voltage Vout Iout=1mA, Vin=1.5V 2.925 3.000 3.075 V Input voltage Vin 0.9 6.0 V Starting voltage Vst Iout=1mA 1.1 V Holding voltage Vhold Iout=1mA 0.7 V Current consumption 1 Iss1 Vout=Vout(T)×0.95, EXT: No-Load 14 35 μA Current consumption 2 Iss2 Vout=Vout(T)+0.5V 2 5 μA On-resistance of EXT “High” Rexth Vout=Vout(T)×0.95, Vext=Vout-0.4V 50 86 Ω On-resistance of EXT “Low" Rextl Vout=Vout(T)×0.95, Vext=0.4V 36 60 Ω Oscillating frequency Fosc Vout=Vout(T)×0.95 80 100 120 kHz Duty ratio Duty Vout=Vout(T)×0.95 67 75 83 % FET=ELM37400FA, L=33μH, Cin=Cout=100μF, D=MA735, Vss=0V, Top=25°C ELM91303xA * Vout: Input voltage to out pin; Vout(T): Typ. value of Vout. * Vout: Input voltage to out pin; Vout(T): Typ. value of Vout. ■Electrical characteristics (ELM91xx3xA) 22 - ELM91xxxxA CMOS PFM Step-up DC/DC converter and controller |
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