TLC59284 Texas instruments

TLC59284

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TLC59284

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Описание

The TLC59284 is a 16-channel, constant-current sink light-emitting diode (LED) driver. Each channel can be individually controlled with a simple serial communications protocol that is compatible with 3.3-V or 5-V CMOS logic levels, depending on the operating VCC. When the serial data buffer is loaded, a LAT rising edge transfers the data to the OUTn outputs. The BLANK pin can be used to turn off all OUTn outputs during power-on and output data latching to prevent unwanted image displays during these times. The constant-current value of all 16 channels is set by a single external resistor.

16-Channel, Constant-Current Sink Output with On and Off Control
Constant-Current Sink Capability:
- 35 mA (V_CC ≤ 3.6 V)
- 45 mA (V_CC > 3.6 V)
LED Power-Supply Voltage: Up to 10 V
V_CC: 3 V to 5.5 V
Constant-Current Accuracy:
- Channel-to-Channel:
  ±1.4% (typ), ±3% (max)
- Device-to-Device: ±2% (typ), ±4% (max)
CMOS Logic Level I/O
Data Transfer Rate: 35 MHz
BLANK Pulse Width: 50 ns
Switching Delay for Noise Reduction
Operating Temperature: –40°C to +85°C

Features	ON/OFF LED Driver
Data transfer rate (typ) (MHz)	35
Ch to ch accuracy (typ) (±%)	1
Rating	Catalog
Operating temperature range (°C)	-40 to 85