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TLC59025 Даташит - Texas Instruments

Номер в каталогеОписание (Функция)производитель
TLC59025 Low-Power 16-Channel Constant-Current LED Sink Driver TI
Texas Instruments TI
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TLC59025 Datasheet PDF : TLC59025 pdf   
TLC59025 image

Description
The TLC59025 device is designed for LED displays and LED lighting applications. The TLC59025 contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC59025 output stage, 16 regulated-current ports provide uniform and constant current for driving LEDs within a wide range of VF variations. Used in system design for LED display applications (for example, LED panels), the TLC59025 provides great flexibility and device performance. Users can adjust the output current from 3 mA to 45 mA through an external resistor, Rext, which gives flexibility in controlling the light intensity of LEDs. TLC59025 is designed for up to 17 V at the output port. The high clock frequency, 30 MHz, also satisfies the system requirements of high-volume data transmission.
The serial data is transferred into TLC59025 through SDI, shifted in the shift register, and transferred out through SDO. LE can latch the serial data in the shift register to the output latch. OE enables the output drivers to sink current.

Features
• 16 Constant Current Output Channels
• Matches Industry Standard IOUT to External
   Resistor Ratio
• Constant Output Current Invariant to Load Voltage
   Change
• Output Current Accuracy:
   – Between Channels: < ±5% (Maximum)
   – Between ICs: < ±6% (Maximum)
• Constant Output Current Range:
   3 mA to 45 mA
• Output Current Adjusted By External Resistor
• Fast Response of Output Current, OE (Minimum):
   100 ns
• 30 MHz Clock Frequency
• Schmitt-Trigger Inputs
• 3.0 V to 5.5 V Supply Voltage
• Thermal Shutdown for Overtemperature
   Protection
• ESD Performance: 1 kV HBM

Applications
• Gaming Machine / Entertainment
• General LED Applications
• LED Display Systems
• Signs LED Lighting
• White Goods

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