LM3556
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Краткое описание:
1.5-A Synchronous Boost LED Flash Driver with High-Side Current Source
Дополнительная информация
The LM3556 is a 4-MHz fixed-frequency synchronous boost converter plus 1.5-A constant current driver for high-current white LEDs. It features an I2C-compatible interface, hardware flash and torch enable pins, and a TX input for synchronization with RF power amplifier events. The device includes LED thermal sensing via an NTC thermistor and an adaptive regulation method to maximize efficiency.
| RoHS | Compliant |
| REACH | Affected |
| Interface | 400 (I2C-Compatible)kHz |
| Number of Outputs | 1count |
| Input Voltage Range | 2.5 to 5.5V |
| Switching Frequency | 4MHz |
| Operating Temperature | -40 to 85°C |
| Maximum Output Current | 1.5A |
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