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ELM900 Datasheet(PDF) 2 Page - ELM Electronics |
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ELM900 Datasheet(HTML) 2 Page - ELM Electronics |
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2 / 2 page  2 Parameter Symbol Condition Min. Typ. Max. Unit Power voltage Vdd 1.0 5.0 V Current consumption Iss Vdd=3.0V 7.0 14.0 μA Output current of LX pin Ilx Vdd=3.0V 90.0 mA Leakage current of LX pin Ilxl Vdd=LX=6.0V 1.0 μA Oscillation frequency : 35kHz Fosc Vdd=3.0V 22 35 55 kHz Oscillation frequency : 55kHz 35 55 75 Duty ratio : switching 35kHz Duty Vdd=3.0V 45 55 65 % Duty ratio : switching 55kHz 45 55 75 ■Appliaction circuit ���� � � � ����� ����� ��� ����� ��� ������� 1cell 1LED ���� � � � ����� ��� ��� ������� ����� ��� 2cell 2LED Top=25°C ■Electrical characteristics ■Marking ELM900x CMOS White LED flashlight driver 2 - Products Lot No. ELM900B 0 to 9 ELM900D A to Z (I, O, X expected) a, b : Product IC code 90 c : the assembly lot No.1 � � � � SOT-89 Products Lot No. ELM900B A to Z (I, O, X expected) ELM900D 0 to 9 d : the assembly lot No.2 |
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