: Pin 6 (CS) constantly samples current pulses. If a threshold voltage is exceeded, the current cycle is immediately truncated to prevent over-current wear.
Connect a capacitor from SS to GND to set the turn-on ramp time, preventing inrush current from collapsing the input voltage rail.
Quick reference parameters are listed on Alldatasheet . 10-50Pcs SN510P SN51DP SSOP10 IC Chip Stock Wholesale
The SN51DP is typically found in a boost converter topology within a TV's power supply. For example, in an , the backlight circuit comprises the SN51DP controller (UB802), a switching MOSFET (QB801), an energy storage inductor (LB801), a freewheeling diode (DB801), and an output filter capacitor (EB801).
In the world of power electronics, precision is paramount. Whether you are designing a switching power supply, a motor driver, or an industrial control system, the components you choose define the reliability of your final product. Among the myriad of voltage regulators and controllers on the market, the stands out as a robust, versatile integrated circuit. However, a component is only as good as the documentation behind it. This article dives deep into why accessing a sn51dp datasheet high quality version is the first critical step toward a successful design, and what you need to know once you have it. sn51dp datasheet high quality
: Frequency Program Pin. Allows manual setting of the internal clock via a resistor to ground (on adjustable variants).
: Delivering stable voltage regulation.
Based on available schematics, the device features a 10-pin layout tailored for PWM dimming and over-voltage protection:
[SN51DP pin3] ──┬── C3 ──┬── +5V out │ │ + C4 + C5 │ │ [SN51DP pin4] ──┴────────┴──── GND out : Pin 6 (CS) constantly samples current pulses
: Compensation Pin. Used for loop stability tuning via an external RC network.
The SN51DP features a 20-pin QFN package optimized for thermal dissipation and minimal board space. Pin Number Description Main input power supply connection. 2 5V internal linear regulator output for internal circuitry. 3 Active-high enable input. Pull low to shut down. 4 Time-on programming pin to set switching frequency. 5 Power Good open-drain output indicator. 6 Bootstrap pin for the high-side MOSFET gate driver. 7 High-side N-channel MOSFET gate drive output. 8
The engineered by ON-Brig primarily for liquid crystal display (LCD) and LED television panel power management . Commonly housed in a 10-pin SSOP/MSOP enclosure , this component functions as a standalone digital pulse width modulation (PWM) controller designed to deliver uniform brightness and stringent over-voltage protection across small-to-medium display arrays.
For electronics repair technicians, hardware engineers, and hobbyists working with modern LCD television backlight systems, accessing a is essential. This specialized integrated circuit serves as the primary LED backlight driver in countless consumer televisions, including models from brands like Konka, Hisense, Haier, Amoi (夏新), and other major manufacturers. This comprehensive guide compiles verified technical information, pinout details, application circuits, replacement options, and repair insights—serving as a practical reference that supplements the official manufacturer datasheet. Quick reference parameters are listed on Alldatasheet
The SN51DP functions as a standalone digital pulse width modulator (DPWM) IC. Its high-quality design ensures reliable performance even in high-heat environments like the back of a large LED display.
One highly sought-after component in this arena is the (also sometimes referenced as the SN510P ). Manufactured by ON-BRIG, this specialized integrated circuit (IC) is a powerhouse when it comes to controlling LCD and LED screen backlighting.
: The IC initiates a thermal shutdown sequence if the internal junction temperature surpasses 150°C. It resumes normal operations after cooling down by 20°C (thermal hysteresis).