LA5797MC

Ordering number : ENA2086 LA5797MC Monolithic Linear IC Charge Pump Step-up Power Supply for Variable Capacitance Diodes http://onsemi.com Overview The LA5797MC is a charge pump step-up power supply for Variable capacitance diodes. Features By using charge pump, no coils are necessary. Time-base generator (140kHz) incorporated. Thermal shutdown circuit incorporated. Specifications Maximum Ratings at Ta = 25°C Parameter Input voltage Allowable power dissipation Symbol VIN max Pd max Conditions Mounted on the specified board. * Ratings 30 0.75 Unit V W Operating temperature Topr -25 to +90 °C Storage temperature Tstg -40 to +150 °C Junction temperature Tjmax 150 °C * Specified board: 114.3mm × 76.1mm × 1.6mm, glass epoxy board. Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time. Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details. Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Recommended Operating Conditions at Ta = 25°C Parameter I...