Sn51dp Datasheet Pdf %21%21exclusive%21%21 [new] Jun 2026

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4.1V rising; 3.8V falling. Regulation & Output Control Feedback Reference Voltage ( VREFcap V sub cap R cap E cap F end-sub ): 0.8V ( Maximum Duty Cycle: 90% Oscillator Frequency ( FSWcap F sub cap S cap W end-sub ): 500 kHz standard switching frequency (internal clock). Functional Block Diagram & Working Principle

| Parameter | Symbol | Min | Typ | Max | Unit | | :--- | :---: | :---: | :---: | :---: | :---: | | Supply Voltage | $V_CC$ | 4.75 | 5.0 | 5.25 | V | | Input High Voltage | $V_IH$ | 2.0 | | | V | | Input Low Voltage | $V_IL$ | | | 0.8 | V | | Output High Current | $I_OH$ | | | -0.4 | mA | | Operating Temp | $T_op$ | 0 | | 70 | °C |

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For the standard 8-pin surface-mount variations (SOP-8/MSOP-8), the SN51DP typically utilizes a highly efficient pin topology to minimize external component count:

Includes an integrated 3.3V regulator and ESD protection for I/O pins . Resolution: Programmable resolution up to 8-bits . 📌 Pinout Diagram & Functionality

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| Parameter | Symbol | Typical | Unit | Description | |---|---|---|---|---| | | tr | 20 | ns | Output rise (10% → 90% of VDD) | | Fall Time | tf | 20 | ns | Output fall (90% → 10% of VDD) | | Propagation Delay | tpd | 25 | ns | Input–output signal delay |

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In the world of consumer electronics, few components are as critical—yet as elusive—as the SN51DP. This specialized backlight management integrated circuit (IC) is widely used in LED LCD televisions, but locating a comprehensive, high-quality datasheet can feel like searching for a needle in a haystack. This long‑form guide compiles everything about the SN51DP: its specifications, pinout configurations, application circuits, common failure modes, and sourcing tips. Consider this your one‑stop, definitive resource for all things SN51DP. Regulation & Output Control Feedback Reference Voltage (

| Parameter | Symbol | Min | Typical | Max | Unit | Description | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | VDD | 1.6 | 3.3 | 5.5 | V | Operating supply voltage range | | Output Current (Per Channel) | IO | - | 20 | - | mA | Maximum output current | | Quiescent Current | IQ | - | 1.5 | - | μA | Current consumption at no load | | Operating Temperature | Toper | -40 | - | 85 | °C | Temperature range for reliable operation | | Storage Temperature | Tstg | -65 | - | 150 | °C | Temperature range for safe storage | | Rise Time | tr | - | 20 | - | ns | Output rise time from 10% to 90% of VDD | | Fall Time | tf | - | 20 | - | ns | Output fall time from 90% to 10% of VDD | | Propagation Delay | tpd | - | 25 | - | ns | Time delay from input signal to output signal | | Package | | SSOP-10 | | | | 10-pin SSOP/TSSOP package |

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