TPS922055
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Краткое описание:
65-V, 4-A buck LED driver with inductive fast dimming and spread spectrum
Дополнительная информация
The TPS922055 is a 4-A non-synchronous Buck LED driver with a 4.5-V to 65-V wide input range. It integrates a low-side NMOS switch and is capable of driving LEDs and charging batteries with high power density and efficiency. The device supports common anode connection and features a configurable switching frequency from 100 kHz to 2.2 MHz with spread spectrum for improved EMI performance. It supports analog, PWM, hybrid, and flexible dimming methods and includes inductive fast dimming (IFD) for high accuracy.
| RoHS | Compliant |
| REACH | Affected |
| MOSFET RDS(on) | 150mΩ |
| Input Voltage (Max) | 65V |
| Input Voltage (Min) | 4.5V |
| Switching Frequency | 0.1 to 2.2MHz |
| Analog Dimming Ratio | 256:1ratio |
| Output Current (Max) | 4A |
| Output Voltage (Max) | 63V |
| Operating Temperature range | -55 to 125°C |
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