The SN51DP is actively traded in the electronics component market, often listed as "spot stock" or "in-stock" by component distributors. It is usually available in small batches for prototyping or in larger quantities for manufacturing.
LED Current Setting Pin (Determines total backlight current via an external resistor) REF Internal Reference Voltage Output / Compensation decoupling 8 FB
The is a specialized power management and LED driver integrated circuit (IC) primarily used in the backlight control circuits of LCD and LED televisions. This component is crucial for regulating the voltage and current supplied to the LED strips that illuminate the screen. Key Specifications and Features
[ t_dead (ns) \approx 10 \times R_DT (k\Omega) ] sn51dp datasheet pdf %21%21EXCLUSIVE%21%21
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| Parameter | Symbol | Min | Typical | Max | Unit | | :--- | :--- | :--- | :--- | :--- | :--- | | | VDD | 1.6 | 3.3 | 5.5 | V | | Output Current | IO | - | 20 | - | mA | | Quiescent Current | IQ | - | 1.5 | - | μA | | Operating Temp. | Toper | -40 | - | 85 | °C | | Storage Temp. | Tstg | -65 | - | 150 | °C | | Rise/Fall Time | tr / tf | - | 20 | - | ns | | Propagation Delay | tpd | - | 25 | - | ns |
| Possible function | Replacement model | |------------------|------------------| | Phototransistor optocoupler | 4N25, PC817, LTV817 | | Logic gate (e.g., AND/NAND) | 74LS08, 74HC00 | | Comparator | LM311, LM393 | | Small-signal transistor array | ULN2003 (if driver) | The SN51DP is actively traded in the electronics
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Because of its compact MSOP10 packaging and low power requirements. SN51DP Pinout and Package Details
In many applications, this pin is involved in the protection mechanism. IC Sn51dp Schematic Information indicates that connecting a 10K resistor to this pin (Pin 9) and grounding it can sometimes bypass the inverter's protection circuit. This component is crucial for regulating the voltage
This article acts as an exclusive guide to the SN51DP, offering insights into its pinout, application circuits, and methods for bypassing its protection circuitry based on available technical documentation. What is the SN51DP IC?
Based on part number pattern analysis:
Historically pioneered by Texas Instruments (TI), the "SN" prefix standardizes semiconductor parts (e.g., SN74 series for logic gates). When searching for an SN51DP, it often points toward a TI-originated or licensed power distribution switch, logic gate, or operational amplifier family.
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Known suppliers include Utsource and various sellers on Amazon.