LM2796
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Краткое описание:
Dual-Display White LED Driver with 3/2x Switched Capacitor Boost
Дополнительная информация
The LM2796 is a CMOS charge-pump voltage converter and current regulator designed to drive up to 7 white LEDs for dual-display mobile applications. It features a high-efficiency 3/2x fractional charge pump and seven low-dropout constant current sinks. The device provides up to 20mA per LED and uses an internal regulated charge pump to maintain consistent brightness even with varying input voltages.
| RoHS | Compliant |
| REACH | Affected |
| Topology | Boost (Capacitive Charge Pump) |
| Vin (max) | 5.5V |
| Vin (min) | 2.7V |
| Peak efficiency | 80% |
| Number of channels | 7 |
| LED current per channel | 20mA |
| Switching frequency (max) | 675kHz |
| Operating temperature range | -30 to 85°C |
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