TLC59731是一个易于使用，三路、50 ma反向电流LED驱动。单线的，1 mbps的串行接口(系统设置专家)提供了一个解决方案最小化布线成本。LED驱动程序提供了8位脉冲宽度调制(PWM)的分辨率和一个简单的伽马校正功能。显示重复率达到3.1千赫(下)和一个集成6 mhz灰度(GS)时钟振荡器。司机还提供了无限级联功能。

The TLC59731 is an easy-to-use， 3-channel， 50-mA sink current LED driver. The single-wire， 1-Mbps serial interface (EasySet) provides a solution for minimizing wiring cost. The LED driver provides 8-bit pulse width modulation (PWM) resolution and a simple gamma correction feature. The display repeat rate is achieved at 3.1 kHz (typ) with an integrated 6-MHz grayscale (GS) clock oscillator. The driver also provides unlimited cascading capability.

Output sink current can be set by each external resistor connected to the OUTn terminal in series. The TLC59731 has an internal shunt regulator that can be used for higher VCC power-supply voltage applications.

Features

Three Sink Current Channels Current Capability: 50 mA per Channel Grayscale (GS) Control with PWM: 8-Bit (256 Steps) with Simple Gamma Correction Single-Wire Interface (EasySet) Power-Supply (VCC) Voltage Range: No Internal Shunt Regulator Mode: 3 V to 5.5 V Internal Shunt Regulator Mode: 3 V to 6 V OUT Terminals Maximum Voltage: Up to 21 V Integrated Shunt Regulator Data Transfer Maximum Rate: Bits per Second (bps): 1 Mbps Internal GS Clock Oscillator: 6 MHz (typ) Display Repeat Rate: 3.1 kHz (typ) Output Delay Switching to Prevent Inrush Current Unlimited Device Cascading Operating Temperature: –40°C to +85°C