Implemented in desktop monitors to achieve fluid, flicker-free dimming response transitions.
PWM / Analog dimming input for backlight brightness adjustment. GATE sn51dp datasheet pdf
Based on circuit schematics, the 10-pin MSOP/SSOP configuration is typically defined as follows: Description Input voltage supply Dimming control input Output to drive the external MOSFET Over-Voltage Protection sense System ground Compensation pin for stable operation Current Sense Feedback pin Current set pin (often connected to a resistor) Reference voltage output Practical Maintenance Tip sn51dp datasheet pdf
The technical specifications found within the SN51DP datasheet include the following operational highlights: Specifications SSOP-10 / MSOP-10 (10-Pin Surface Mount) Primary Application LED/LCD Backlight Driver & DC Motor Controller Dimming Capability Standalone Digital Pulse Width Modulation (DPWM) Resolution Up to 8-bit programmable resolution Regulator Built-in On-chip 3.3V power regulator Safety Features sn51dp datasheet pdf
[ SN51DP IC ] +-----------------+ | Pin 9 (REF) | +--------+--------+ | | [10K Ohm] <-- Bypass Resistor | v ( GND )