LV56351HA

Ordering number : ENA2145 LV56351HA Bi-CMOS IC 1ch DC/DC boost converter http://onsemi.com Overview LV56351HA integrates 1ch DC/DC boost converter and 1ch LDO. It is suitable as the power supply for BS/CS antennas of LCD/PDP TV and BD recorders that require automatic recovery without IC destruction and malfunction when the output is short-circuited. Functions [DC/DC boost converter] Soft-start time: 2.8ms Frequency 425kHz operation Pulse by pulse over current limiter Short circuit protector (SCP) [LDO] Over current limiter (Fold back) [All] Under voltage lockout Thermal shutdown protector Power good Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit VCC maximum supply voltage LDOIN maximum input voltage SW maximum voltage Allowable power dissipation VCC max VLDOIN max VSW max Pd max *1 -0.3 to 25 -0.3 to 30 -0.3 to 30 1.45 V V V W Operating temperature Topr -30 to +85 °C Operating junction temperature Tjopr -30 to +125 °C Storage temperature Tstg -40 to +150 °C Allowable pin voltage VCC, EN SW, LDOIN, LDOOUT IN1, IN2, FB, SCP, PGOOD, DDCTL 25 V 30 V 6V *1 Mounted on a specified board : 32mm × 38mm × 1.6mm, glass epoxy, double side 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, hi...