Datasheet Details
| Part number | LM3639A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 514.60 KB |
| Description | Single Chip 40V Backlight + 1.5A Flash LED Driver |
| Datasheet |
 LM3639A Datasheet
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General Description
The LM3639A is a single-chip white LED Camera Flash Driver + LCD Display Backlight Driver.
The lowvoltage, high-current flash LED driver is a synchronous boost which provides the power for a single flash LED at up to 1.5A or dual LEDs at up to 750 mA each.
Key Features
- 1.
- 2 Single Chip White LED Flash and Backlight Driver.
- 1.5A Flash LED Current.
- Dual String Backlight Control (40V Max VOUT).
- 128 Level Exponential and Linear Brightness Control.
- PWM Input for CABC.
- Programmable Over-Voltage Protection (Backlight).
- Programmable Current Limit (Flash).
- Programmable Switching Frequency.
- Optimized Flash Current During Low-Battery Conditions.