AS3643 |
Part Number | AS3643 |
Manufacturer | austriamicrosystems |
Description | The AS3643 is an inductive high efficient DCDC step up converter with two current sinks. The DCDC step up converter operates at a fixed frequency of 4MHz and includes soft startup to allow easy integr... |
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 Protection functions: Automatic Flash Timeout timer to protect the LED(s) Overvoltage and undervoltage Protection Overtemperature Protection LED short/open circuit protection I2C Interface with automatic shutdown 5V constant voltage mode operation ... |
Document |
AS3643 Data Sheet
PDF 3.47MB |
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