If you are sourcing this chip online, it is widely available through international distributors like UTSource Components or bulk hardware suppliers on AliExpress Wholesale . Always match the component suffixes and package footprint to ensure an exact fit on your PCB.
: Connect a 10kΩ resistor directly from Pin 9 (COMP) to GND (Pin 4) . This changes the loop voltage profile and stops the IC from entering a hardware shutdown state. Direct Cross-References and Drop-In Equivalents sn51dp datasheet pdf
If you are repairing a device that contains an SN51DP, here is how to use the datasheet to fix it. If you are sourcing this chip online, it
: You can often find PDF copies of these specific datasheets on specialist sites like Datasheet Archive AllDataSheet Important Specifications Typically Found A "deep guide" for a part like this usually includes: Pin Configuration This changes the loop voltage profile and stops
Sets the base operating current threshold for the backlight loop. Pin 7 (REF): Internal reference voltage output.