LV5052V

Ordering number : ENA1394 LV5052V Bi-CMOS IC DC/DC Converter Controller Built-in 2-channels http://onsemi.com Overview The LV5052V is a high efficiency DC/DC converter controller with 2-channels IC adopting a synchronous rectifying system. Incorporating numerous functions on a single chip with easy external setting, it can be used for a wide variety of applications. This device is optimal for use in internal power supply systems which are used in electronic devices, LCD-TVs, DVD recorders, etc. Functions Step-down DC/DC converter controller with 2-channel Built-in input UVLO circuit, Over current detection function, soft-start/soft-stop function and Start-up delay circuit Built-in output voltage monitor function (Under voltage protection with power good and timer latch) 180 degree interleaving operation during 1-phase to 2-phase Synchronized operation is possible (Master-slave operation is possible when using plural devices) Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage Output peak current Allowable power dissipation VIN IOUT Pd max Mounted on a specified board *1 18 ±1.0 1.0 V A W Operating temperature Topr -20 to 85 °C Storage temperature Tstg -55 to +150 °C Allowable terminal voltage *2 1 HDRV1,2, CBOOT1,2 25 V 2 Between HDRV1,2, CBOOT1,2 and SW1,2 6.5 V 3 VIN, ILIM1,2, RSNS1,2, SW1,2, PGOOD1,2 18 V 4 VLIN5, VDD, LDRV1,2 5 COMP1,2, FB1,2, SS1,2, UV_DELAY,TD1,2, CT, CLKO ...