TPS60231
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Краткое описание:
3-Channel White LED Charge Pump Current Source with PWM Brightness Control
Дополнительная информация
The TPS60231 is a 1-MHz switching frequency charge pump optimized for white LED backlight applications. It provides a constant current for up to 3 LEDs at 25 mA each, with a total output of 75 mA. The device utilizes 1x and 1.5x fractional conversion modes to maximize efficiency over an input range of 2.7 V to 6.5 V. Brightness is controlled through a PWM signal, and the device features internal soft-start, overcurrent protection, and thermal shutdown.
| RoHS | Compliant |
| REACH | Affected |
| Peak Efficiency | 90% |
| Number of Channels | 3count |
| Input Voltage (Max) | 6.5V |
| Input Voltage (Min) | 2.7V |
| Switching Frequency | 1000kHz |
| LED Current per Channel | 25mA |
| Operating Temperature Range | -40 to 85°C |
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