IS31BL3557
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Краткое описание:
4-Channel Constant Current White LED Driver with PWM Control
Дополнительная информация
The IS31BL3557 is a constant current LED driver with a high-efficiency boost converter capable of driving up to four strings of white LEDs in parallel. It features independent PWM control for brightness adjustment and integrated protections including over-voltage, over-temperature, and open-circuit protection. It is designed for backlight applications in portable devices and mobile handsets.
| RoHS | Compliant |
| Tsca | Compliant |
| Halogen Free | Yes |
| PWM Frequency | 20 to 100kHz |
| Number of Channels | 4 |
| Input Voltage Range | 2.7 to 5.5V |
| Operating Temperature | -40 to +85°C |
| Maximum Output Current | 20 per channelmA |
| Over Voltage Protection | 18V |
