LM3639A
Производится
Краткое описание:
Single Chip 40V Backlight + 1.5A Flash LED Driver
Дополнительная информация
The LM3639A is a single-chip white LED camera flash driver and LCD display backlight driver. It features a synchronous boost converter for flash LEDs, capable of providing up to 1.5A for a single LED or 750mA each for dual LEDs. The high-voltage backlight driver is an asynchronous boost powering two LED strings at up to 40V and 30mA per string. The device includes I2C compatible control, a hardware strobe, and PWM input for content-adjustable backlight control (CABC).
| RoHS | Yes |
| REACH | Yes |
| Vin (max) | 5.5V |
| Vin (min) | 2.5V |
| Msl Rating | Level-1-260C-UNLIM |
| Vout (max) | 40V |
| Peak efficiency | 87% |
| Flash LED Current | 1.5A |
| Number of channels | 2count |
| Switching frequency (max) | 535kHz |
| Operating temperature range | -40 to 85°C |
| Backlight Current per channel | 30mA |
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