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ELM91 Datasheet(PDF) 5 Page - ELM Technology Corporation |
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ELM91 Datasheet(HTML) 5 Page - ELM Technology Corporation |
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5 / 22 page  5 http://www.elm-tech.com Rev.1.3 22 - Parameter Symbol Condition Min. Typ. Max. Unit Output voltage Vout Iout=1mA, Vin=1.5V 3.218 3.300 3.382 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 15 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 46 83 Ω On-resistance of EXT “Low” Rextl Vout=Vout(T)×0.95, Vext=0.4V 33 55 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 ELM91333xA * 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=3V 4.875 5.000 5.125 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 20 45 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 33 59 Ω On-resistance of EXT "Low" Rextl Vout=Vout(T)×0.95, Vext=0.4V 24 45 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 ELM91503xA * Vout: Input voltage to out pin; Vout(T): Typ. value of Vout. ■Marking SOT-89 • SOT-89, SOT-23 package : ELM91xx1xA ELM91xx3xA SOT-23 a to c : Assembly lot No. A to Z (I, O, X excepted) and 0 to 9 • SC-70-5 package : ELM91xxxCA SC-70-5 a to d : Assembly lot No. A to Z (I, O, X excepted) and 0 to 9 ELM91xxxxA CMOS PFM Step-up DC/DC converter and controller |
Similar Part No. - ELM91 |
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Similar Description - ELM91 |
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