The SN51DP is a specialized Integrated Circuit (IC) primarily utilized as a power management chip or LED driver, commonly found in the backlighting systems of LCD televisions and monitors. Technical Profile and Specifications
Applications
The SN51DP could be utilized in:
| Parameter | Symbol | Min | Max | Unit | | :--- | :--- | :--- | :--- | :--- | | Supply Voltage (Vcc to GND) | Vcc | -0.3 | 22 | V | | Output Voltage (A, B) | Vout | -0.3 | Vcc + 0.3 | V | | Vref Output Current | I_Vref | 0 | 10 | mA | | RT/CT Voltage | | -0.3 | Vref + 0.3 | V | | Power Dissipation (DIP-8) | P_D | | 1000 | mW | | Operating Junction Temperature | T_J | -40 | 150 | °C | | Storage Temperature | T_stg | -65 | 150 | °C | sn51dp datasheet pdf %21%21EXCLUSIVE%21%21
Just as Elias reached the final page—a schematic for a "Receiver" that looked suspiciously like a headband—his monitor began to hum. A new line of text appeared at the bottom of the PDF, one that hadn't been there a second ago:
Applications: It is a common replacement part in TV mainboards (such as the TP.S506.PB801) for brands like Arielli, Crown, and Felix. The SN51DP is a specialized Integrated Circuit (IC)
You can access full PDF versions and circuit schematics through the following specialized electronic component repositories:
| Pin No. | Pin Name | Description | | :--- | :--- | :--- | | 1 | Vcc | Supply voltage input (8V to 20V DC). Decouple with a 0.1µF ceramic capacitor close to the pin. | | 2 | GND | Ground reference for the control logic and low-side circuitry. | | 3 | RT/CT | Timing resistor and capacitor connection. Connect an external resistor (R_T) from this pin to Vref, and a capacitor (C_T) from this pin to GND to set the oscillator frequency. | | 4 | Deadtime | Adjusts the deadtime between the two output drivers to prevent cross-conduction. Connect a resistor to GND to set the delay. | | 5 | Output B | Second gate drive output (typically 180° out of phase with Output A). | | 6 | GND_PWR | Power ground for the output drivers. Connect directly to the source of the low-side MOSFET. | | 7 | Output A | First gate drive output. | | 8 | Vref | 5V reference output (typically 5mA max). Can be used to bias external control circuits. | You can access full PDF versions and circuit
is a specialized power management Integrated Circuit (IC), primarily functioning as an LED Backlight Driver