TL4242
TL4242 is Constant-Current LED Driver manufactured by Texas Instruments.
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SLVS641B
- APRIL 2008
- REVISED MARCH 2015
TL4242 500-mA, Adjustable, Constant-Current LED Driver
1 Features
- 1 Adjustable Constant Current up to 500 mA (±5%)
- PWM Brightness Regulation
- Wide Input Voltage Range up to 42 V
- Low Drop Voltage
- Open-Load Detection
- Overtemperature Protection
- Short-Circuit Proof
- Reverse-Polarity Proof
- Wide Temperature Range:
- 40°C to 150°C
2 Applications
- Signage
- Industrial Lighting
- Printers
3 Description
The TL4242 device is an integrated, adjustable, constant-current source that can drive loads up to 500 mA. The output current level can be...
