The TPS923653 is a non-synchronous boost/buck-boost LED driver featuring a wide input range of 4.5V to 65V. It integrates a 150mΩ low-side NMOS switch and supports common cathode connections. The device includes a spread spectrum feature for improved EMI performance and supports multiple dimming methods including analog, PWM, hybrid, and flexible dimming with inductive fast dimming (IFD) technology. It is designed for constant and instant illumination applications such as projectors, medical lighting, and camera flashes.
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| Input Voltage (Min) | 4.5V |
| Input Voltage (Max) | 65V |
| Output Voltage (Max) | 65V |
| Output Current (Max) | 2A |
| Switching Frequency | 0.1 to 2.2MHz |
| Internal MOSFET RDS(on) | 150mΩ |
| Analog Dimming Ratio | 256:1ratio |
| Operating Temperature | -40 to 125°C |
| RoHS | Yes |
| REACH | Yes |
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