You can view or download the detailed technical manual on Scribd or via the Electronica Max PDF. SN51DP EMI | IC-Components
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is a specialized power management Integrated Circuit (IC), primarily functioning as an LED Backlight Driver sn51dp datasheet pdf %21%21EXCLUSIVE%21%21
Compares the fractional feedback voltage from the output against the internal reference voltage ( VREFcap V sub cap R cap E cap F end-sub
: Gate Drive or Protection (Connecting a 10K resistor from Pin 9 to GND is a known method to bypass inverter protection : PWM Dimming Input Core Features Precision PWM: High-speed resolution up to 8-bits for fine dimming control Integrated Regulator: Includes an on-chip 3.3V regulator Protection: You can view or download the detailed technical
| Inputs | | | | Output | | :---: | :---: | :---: | :---: | :---: | | | A2 | B1 | B2 | Y | | H | H | X | X | L | | X | X | H | H | L | | L | X | L | X | H | | X | L | X | L | H |
): Use precision 1% resistors to program the desired output voltage using the following standard formula: In over 95% of cases, for a standard component
Programmable pulse width resolution of up to 8-bits.
In repair scenarios where the IC's protection locks the backlight (often due to aging LEDs), some technicians use a 10K Ohm resistor Pin 9 (OVP) to ground to bypass protection for diagnostic purposes.
In over 95% of cases, for a standard component. Manufacturers distribute them freely. However, for obsolete, region-specific, or custom-marked parts like the SN51DP, finding a clean, original PDF can feel exclusive.