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The MAX1044CSA is one member of the MAX1044 family which designed as the switched-capacitor voltage converters that can be used in (1)-5V supply from +5V logic supply; (2)personal communications equipment; (3)portable telephones; (4)op-amp power supplies; (5)EIA/TIA-232E and EIA/TIA-562 power supplies; (6)data-acquisition systems; (7)hand-held instruments; (8)panel meters. It has a BOOST pin that raises the oscillator frequency above the audio band and reduces external capacitor size requirements and delivers up to 100mA with a voltage drop of less than 0.65V.
Features of the MAX1044CSA are:(1)miniature max package; (2)1.5V to 10.0V operating supply voltage range; (3)98% typical power-conversion efficiency; (4)invert, double, divide, or multiply input voltages; (5)boost pin increases switching frequencies (MAX1044); (6)no-load supply current: 200A Max at 5V; (7)no external diode required for higher-voltage operation.
The absolute maximum ratings of the MAX1044CSA can be summarized as:(1)supply voltage (V+ to GND, or GND to VOUT):10.5 V;(2)input voltage on pins 1, 6, and 7:-0.3V </= VIN </= (V+ +0.3V);(3)LV input current:20A;(4)output short-circuit duration (V+ </=5.5V):continuous;(5)continuous power dissipation (TA=+70°C) plastic DIP (derate 9.09mW/°C above +70°C):727 mW;(6)continuous power dissipation (TA=+70°C) SO (derate 5.88mW/°C above +70°C):471 mW;(7)continuous power dissipation (TA=+70°C) MAX (derate 4.1mW/°C above +70°C):330 mW;(8)lead temperature (soldering, 10sec):+300°C;(9)storage temperature range:-65°C to + 150°C. If you want to know more information such as the electrical characteristics about the MAX1044CSA, please download the datasheet in www.seekic.com or www.chinaicmart.com .