The FlashID is unsupported. You likely need a newer version of the tool or a specific FlashDB file.
| Feature | Firstchip Yc2019 | Older Competitors (e.g., LM2596) | Compact Competitors (e.g., MP2307) | | :--- | :--- | :--- | :--- | | | SOT-23-6 (tiny) | TO-220 or SOP-8 (large) | QFN or SOP-8 | | Max Input | 30V | 40V | 23V | | Switching Freq | 500kHz | 150kHz | 340kHz | | Min Output | 0.8V | 1.23V | 0.8V | | External Diode | No (synchronous) | Yes (required) | No | | Efficiency @ 1A | ~90% | ~80% | ~92% | Firstchip Yc2019
Case Study: A manufacturer of portable LED camping lanterns replaced a three-chip solution with one Yc2019, reducing PCB size by 40% and extending battery life by 12% due to lower quiescent current. The FlashID is unsupported