Sn51dp Datasheet Pdf [Real | HOW-TO]

Controls an external N-channel MOSFET, which in turn controls the switching current through the inductor to boost the voltage.

In TV repair contexts, the SN51DP is often linked to a few common issues:

Backlight driver infrastructure for budget and mid-tier LED TVs (Arielli, Crown, Felix).

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What is the TV or monitor you are servicing? sn51dp datasheet pdf

Feedback input pin; reads voltage drops from the LED cathode string to maintain constant current regulation.

– Current setting resistor terminal to program nominal LED current string limits.

Before reading further, verify that the part number exactly matches your needs. Check for package variants (e.g., SN51DPR vs. SN51DPT—the suffix often indicates packaging or temperature range).

Direct matching functional identifier using the exact same SSOP-10 frame. Controls an external N-channel MOSFET, which in turn

IC. Many TI parts starting with "SN" are specialized logic gates or interface components. You can check the Texas Instruments Part Search using the code. Marking Code Cross-Reference : Often, "SN51DP" is the marking on the chip (e.g., a

If you are repairing a television that relies on the SN51DP, keep these system-level checks in mind:

Searching for “sn51dp datasheet pdf” online can lead to obsolete or incomplete copies. To ensure you get the manufacturer’s official document, use these trusted sources:

The is a critical, high-efficiency backlight controller found in modern display technology. Understanding its 10-pin functionality—specifically its GATE control, current sensing, and over-voltage protection—is essential for repairing LCD/LED backlight systems. This likely refers to a datasheet for an

Resistor terminal to configure the operating current for the LED backlight strings. Pin 6 (REF): Internal reference voltage output.

The Darlington configuration suffers from slower turn-off due to charge storage. Maximum switching frequency is around 10–20 kHz for small loads. For PWM applications (LED dimming, motor speed control), stay below 1 kHz to avoid excessive heating.

The IC utilizes a compact 10-pin layout optimized for space-constrained television control boards. Each pin plays a distinct role in monitoring current feedback, regulating operating voltages, or receiving dimming signals from the television’s central processor.

This circuit operates as a switch-mode power supply (SMPS), stepping up the input voltage to the required level for driving the LED backlight strings.

The is a specialized power management integrated circuit (IC) primarily used as a high-brightness LED driver for LCD TV backlighting. Manufactured by ON-BRIG , it is commonly found on mainboards such as the TP.S506.PB801 used in television brands like Arielli, Crown, Felix, and Cyberlux. Key Technical Specifications