The LM27965 is a highly integrated charge-pump-based dual-display LED driver capable of driving up to 9 LEDs in parallel with a total output current of 180mA. It features regulated internal current sinks for excellent matching and three independently controlled groups (main, sub, and indicator). It operates in 1x or 3/2x gain modes to maximize efficiency over a 2.7V to 5.5V input range without requiring an inductor.
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Texas Instruments LM27965 technical specifications.
| Input Voltage (Min) | 2.7V |
| Input Voltage (Max) | 5.5V |
| Peak Efficiency | 91% |
| Output Current Per LED | 30mA |
| Total Output Current | 180mA |
| Number of LED Outputs | 9count |
| Control Interface | I2C |
| Switching Frequency | 700kHz |
| Operating Temperature | -30 to 85°C |
| RoHS | Compliant |
| REACH | Affected |
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