CXA3834M Datasheet | Sony Semiconductor Solutions

Description The CXA3834M is an LED driver IC with boost DC-DC converter. It enables luminance control using the peak current and PWM signal, and blinking control using the BLINK signal. This IC has an optimum configuration for realizing a simple and pact power supply circuit for an LCD TV equipped with a LED backlight. (Applications: Power supply circuit, etc.) Features - Shared - - - - - - - - - - - - - - UVLO function Overheat protection function Error detection output function (x BL_ERR) Detection timer latch function when abnormalities occur On-chip LED lighting FET gate driver Luminance adjustment function using peak current control Luminance adjustment function using the PWM signal Blinking control using the BLINK signal LED overcurrent detection function On-chip boost type DC-DC converter Output overvoltage detection function Continuous overcurrent detection function Input current BLINK soft start/soft end function (for blinking control operation) Slope pensation function - LED driver control block - DC-DC converter control block Structure Bi CMOS silicon monolithic IC Package 16P-SOP Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. -1- E11505D22 Free Datasheet http://../ Absolute Maximum Ratings Item Maximum supply voltage x BL_ERR pin voltage I/O pin voltage 1 VREF pin voltage I/O pin voltage 2 Allowable power dissipation Operating ambient temperature Junction temperature Storage temperature range - 1 Symbol VCC_MAX Vx BL_ERR VIO1 VREF VIO2 PD Ta Tj_max Tstg Rating +24.0 - 0.3 to +24.0 - 0.3 to VCC + 0.3 - 0.3 to + 7.0 - 0.3 to VREF + 0.3 - 1 Unit V V V V V m W C C C Remarks VCC x BL_ERR DRV, DIM_SW,...