AS3643
Description
The AS3643 is an inductive high efficient DCDC step up converter with two current sinks.
Key Features
- High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils - Stable even in coil current limit
- LED current adjustable up to 1300mA
- Automatic current adjustment for low battery voltage
- PWM operation for lower output current for reliable light output of the LED; running at 31.25kHz to avoid audible noise
- I2C Interface with automatic shutdown
- 5V constant voltage mode operation
- Available in tiny WL-CSP Package, 13 balls 0.5mm pitch 2.25x1.5x0.6mm, package size
Applications
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