(China (Mainland))
Product Summary
The MAX1044ESA+T is a monolithic, CMOS switched－capacitor voltage converter that invert, double, divide, or multiply a positive input voltage. The MAX1044ESA+T is pin compatible with the industry－standard ICL7660 and LTC1044. Operation is guaranteed from 1.5V to 10V with no external diode over the full temperature range. They deliver 10mA with a 0.5V output drop. The MAX1044ESA+T has a BOOST pin that raises the oscillator frequency above the audio band and reduces external capacitor size requirements. The MAX1044ESA+T combine low quiescent current and high efficiency. Oscillator control circuitry and four power MOSFET switches are included on－chip. Applications include generating a －5V supply from a +5V logic supply to power analog circuitry. For applications requiring more power, the MAX660 delivers up to 100mA with a voltage drop of less than 0.65V.
Parametrics
MAX1044ESA+T absolute maximum ratings: (1)Supply Voltage (V+ to GND, or GND to VOUT): 10.5V; (2)Input Voltage on Pins 1, 6, and 7 : －0.3V ² VIN ² (V+ + 0.3V); (3)LV Input Current : 20uA; (4)Output Short－Circuit Duration (V+ ² 5.5V): Continuous; (5)Storage Temperature Range : －65℃ to + 150℃; (6)Lead Temperature (soldering, 10sec): +300℃.
Features
MAX1044ESA+T features: (1)Miniature μMAX 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: 200μA Max at 5V; (7)No External Diode Required for Higher－Voltage Operation.
Diagrams
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