| Part number | SY20731BAJC |
|---|---|
| Vin (max) (V) | 5.5 |
| Vin (min) (V) | 1.6 |
| Iout (max) (A) | 1 |
| Output type | Fixed |
| Vout (max) (V) | 3.3 |
| Vout (min) (V) | 3.3 |
| Iq (typ) (uA) | 80 |
| PSRR at 100kHz (dB) | 28 |
| Accuracy (±%) | 3 |
| Features | Fixed soft-start,Over current protection,Thermal shutdown |
| Operating temperature range(°C) | -40 to 125 |
| Package | SOT223 |
| Functional safety category |
The SY20731B is a low dropout LDO regulator with 3.3V fixed output voltage, capable of de-livering up to 1A output current.
Only the input and output capacitors need to be selected for the targeted application specifica-tions.
The SY20731B is available in an industry standard SOT-223 package, which offers low thermal re-sistance.
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY20731BAJC is intended for evaluating a super low dropout 1A LDO regulator with 3.3V fixed output voltage .
| Title | Date |
|---|---|
| Automotive Solutions Q4 2025 | 2025-12-02 |
| Consumer Selection Guide Q4 2025 | 2025-12-02 |
| Industrial Designs Q4 2025 | 2025-12-02 |
| SOT223 | 2021-11-10 |
