The is a specialized, high-performance integrated circuit often utilized in modern electronics for driving LED backlights and managing power-sensitive PWM applications. Due to its widespread use in consumer electronics, such as Samsung LED TVs, securing a verified datasheet is crucial for engineers, technicians, and electronics repair professionals.
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Error Amplifier Compensation node (Tied to an external RC network to stabilize the power loop) GATE- (REF) Internal Reference / Protection Gate Node 10 DIM sn51dp datasheet verified
When a TV has sound but no picture, the backlight driver is the likely culprit.
The primarily manufactured by ON-Bright and packaged in a compact SSOP-10 (or MSOP-10) form factor. Designed extensively for power management in liquid crystal displays (LCD) and LED TV backlight units (BLUs) , it serves as the core boost or buck controller regulating current to display backlight strips. Finding a verified datasheet is critical for hardware repair technicians and design engineers alike, as this chip regulates volatile high-voltage outputs essential for striking and illuminating commercial TV panels.
To ensure accuracy and reliability, it's essential to verify the SN51DP datasheet. Here's a step-by-step guide to verify the datasheet: Share public link Note: If this refers to
What are you servicing? What symptoms is the display showing?
Test conditions: Vout=12V, Iout=3.5A, 25°C ambient, 4-layer PCB with 2oz copper.
He looked at the pinout again. Pin 4: Ground. Pin 8: VCC. He looked at his breadboard. He had connected them exactly as shown. Designed extensively for power management in liquid crystal
The external switching transistor driven by the GATE pin (Pin 3) is highly susceptible to short-circuits. Use a multimeter to check for shorts across the Drain, Source, and Gate.
or similar) and check for a PWM signal on the DIM pin when the TV is powered on.
A: The original Sanyo SN51DP is discontinued, but multiple Asian manufacturers produce pin-compatible, electrically identical versions (e.g., Sharp S201S02, QT Optoelectronics). However, always verify each batch.
: It acts as a DC-DC converter (typically a boost controller) designed specifically for driving LED strings in medium-to-large displays.