The L6920DB is a high efficiency monolithic step up switching converter IC especially designed for battery powered applications. It features a 0.8V start-up input voltage, up to 5.5V operating input voltage, internal synchronous rectifier, adjustable output voltage starting from 1.8V, 3.3V and 5V fixed output voltages, low battery voltage detection, reverse battery protection, 750mA input current limit, switching frequency up to 1MHz, and a 1.23V reference voltage.
The L6920DB is a high-efficiency monolithic step-up switching converter IC designed specifically for battery-powered applications. It features an internal synchronous rectifier to reduce cost and external component count, requiring only three external components for conversion. The device supports a wide input voltage range from 0.8V startup up to 5.5V operating voltage.
| Operating Input Voltage | Up to 5.5 V |
|---|---|
| Switching Frequency | Up to 1 MHz |
| Reference Voltage | 1.23 V |
| Output Voltage Range | 1.8 V to 5.2 V |
| Maximum Junction Temperature | 150 °C |
| Package Type | MSOP8 |
No, it features an internal synchronous rectifier, eliminating the need for an external diode.
The device supports fixed output voltages of 3.3V and 5V.
The LX switch current limit is approximately 750mA to 800mA.