| Part number | SY20122IABC |
|---|---|
| Channel(#) | 1 |
| Vin (min) (V) | 2.5 |
| Vin (max) (V) | 5.5 |
| Switching frequency (min)(kHz) | 1500 |
| Switching frequency (max)(kHz) | 1500 |
| Vout (min) (V) | 0.6 |
| Vout (max) (V) | 5 |
| Iout (max) (A) | 2 |
| Vout2 (min)(V) | |
| Vout2 (max )(V) | |
| Iout2 (max)(A) | |
| Vref accuracy (±%) | 1.5 |
| Vout accuracy(±%) | |
| Control mode | COT OFF+Ipeak |
| Duty cycle (max)(%) | 100 |
| Operation mode | Auto PFM |
| Iq (typ) (uA) | 50 |
| Features | Power good,Output discharge |
| Package | SOT23-6 |
| Operating temperature range(°C) | -40 to 125 |
| Functional safety category |
The SY20122I is a high efficiency 1.5MHz synchronous step down DC/DC regulator, which is capable of delivering up to 2A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.
The SY20122I integrates reliable latch off function when output over voltage, output short or thermal shutdown happens.
The low output voltage ripple, the small external inductor and the capacitor sizes are achieved with 1.5MHz switching frequency.
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY20122IABC is intended for evaluating 1.5MHz, 2A, 2.5~5.5V input, 1.8V output synchronous Buck regulator. It features enable control.
| Title | Date |
|---|---|
| Automotive Solutions Q4 2025 | 2025-12-02 |
| Consumer Selection Guide Q4 2025 | 2025-12-02 |
| Industrial Designs Q4 2025 | 2025-12-02 |
