| SY21305ARDC | 3 | 16 | 2.85 | 15 | adj. | 16 | 1 | ±1.5% | 230 | | 5 | 9 | 12 | 2 | 12 | √ | √ | adj Ilimit,OVP,SCP,Adj. Fsw: 0.2~1MHz | QFN4x4-18 |
| SY21305RDC | 3 | 16 | 2.85 | 15 | adj. | 18 | 1 | ±1.5% | 220 | | 5 | 16 | 18 | 2 | 18 | √ | √ | adj Ilimit,OVP,SCP,Adj. Fsw: 0.2~1MHz | QFN4x4-18 |
| SY21299DBC | 3 | 5.5 | 3 | 9 | adj. | 36 | 1.25 | ±2% | 380 | | 1 | 65 | | 2 | | √ | | Adj Ilimit | DFN3X3-10 |
| SY20496QMC | 2 | 5.5 | 2 | 6 | 0.5 | 5.5 | 1.2 | ±1.5% | 10 | 27 | 1 | 20 | 40 | 0.2 | | √ | | CCM Mode input, OVP, Disconnect @Shutdown | QFN2X2-10 |
| SY20508DGC | 2.3 | 5.25 | 2.3 | 6 | 0.5 | 5.5 | 1.2 | ±1.5% | 2 | 30 | 1 | 20 | 40 | | | √ | | OVP, Disconnect @Shutdown | QFN 2x3-8 |
| SY20466BQMC | 1.8 | 5.25 | 1.78 | 6 | 0.5 | 5.5 | 1.2 | ±1.5% | 10 | 27 | 1 | 20 | 40 | 1 | | √ | | CCM Mode input, Low Battery Comparator, OVP, Disconnect @Shutdown | QFN2x2-10 |
| SY20466AQMC | 1.8 | 5.25 | 1.78 | 6 | 0.5 | 5.5 | 1.2 | ±1.5% | 10 | 27 | 1 | 20 | 40 | 1 | | √ | | Low Battery Comparator, OVP, Disconnect @Shutdown | QFN2X2-10 |
| SY20466QMC | 1.8 | 5.25 | 1.78 | 6 | 0.5 | 5.5 | 1.2 | ±1.5% | 10 | 27 | 1 | 20 | 40 | 1 | | √ | | Low Battery Comparator, OVP, Disconnect @Shutdown, output discharge function | QFN2X2-10 |
| SY21282QDC | 3 | 9 | 2.9 | 6 | 1 | 13 | 1 | ±2% | 600 | | 7 | 80 | 40 | 7 | 40 | √ | √ | | QFN3x3-16 |
| SY20445AQMC | 1.8 | 5.25 | 1.78 | 5 | 0.5 | 5.5 | 1.2 | ±1.5% | 10 | 27 | 1 | 20 | 40 | 1 | | √ | | Low Battery Comparator, OVP, Disconnect @Shutdown | QFN2X2-10 |
| SY20445QMC | 1.8 | 5.25 | 1.78 | 5 | 0.5 | 5.5 | 1.2 | ±1.5% | 10 | 27 | 1 | 20 | 40 | 1 | | √ | | Low Battery Comparator, OVP, Disconnect @Shutdown, output discharge function | QFN2X2-10 |
| SY21275DBC | 8.6 | 15.9 | 8.3 | 4.5 | 0.5 | 16 | 1.25 | ±1.5% | 120 | | 15 | 75 | | ext | | √ | | OVP | DFN3x3-10 |
| SY21314DBC | 3 | 33 | 2.7 | 4 | 1 | 33 | 0.6 | ±2% | 100 | | 15 | 120 | | 2 | | √ | | | QFN3x3-10 |
| SY21264ADBC | 2 | 6 | 1.9 | 4 | 1 | 6 | 0.6 | ±2% | 100 | | 10 | 90 | | 3 | | √ | | | DFN3x3-10 |
| SY20433QMC | 1.8 | 5.25 | 1.78 | 3.2 | 0.5 | 5.5 | 1.2 | ±1.5% | 10 | 27 | 1 | 36 | 40 | 1 | | √ | | Low Vin comparator, OVP, Disconnect @Shutdown | QFN2x2-10 |
| SY20489ADC | 2.5 | 5.5 | | 3 | 1 | 5.5 | 1.2 | ±1.5% | 8 | 32 | | 50 | 90 | | | √ | | Seamless bypass mode, disconnect @ shutdown, OVP | TSOT23-6 |
| SY21251DCC | 2.5 | 5.5 | 2.4 | 2.5 | 1 | 6 | 0.6 | ±2% | 200 | | 10 | 120 | | | 80 | √ | | Independent load switch w/adj Ilimit | DFN3x3-12 |
| SY21242ABC | 2 | 6 | 1.9 | 2.5 | 1 | 6 | 0.6 | ±2% | 200 | | | 120 | | 4 | | √ | | | SOT23-6 |
| SY21238ABC | 3.5 | 30 | 3 | 2 | 0.85 | 30 | 1 | ±2% | 150 | | | 200 | | ext | | | | Accurate input current limit with foldback | SOT23-6 |
| SY21222ABC | 3 | 33 | 2.1 | 2 | 1 | 33 | 0.6 | ±2% | 100 | | 5 | 200 | | 0.2 | | ? | | | SOT23-6 |
| SY21218LABC | 3 | 25 | 2.7 | 2 | 1 | 25 | 0.6 | ±2% | 100 | | 15 | 150 | | 0.2 | | √ | | | SOT23-6 |
| SY21212AABC | 3 | 8 | 1.8 | 2 | 1 | 16 | 0.6 | ±2% | 100 | | 15 | 130 | | 2 | | √ | | | SOT23-6 |
| SY20428ABC | 0.9 | 4 | 0.9 | 1.8 | 1.2 | 4 | 1.2 | ±3% | 65 | | 1 | 90 | 200 | 2 | | √ | | Output Disconnect @Shutdown | SOT23-6 |
| SY21199CABC | 3 | 25 | 2.3 | 0.6 | 1 | 25 | 0.6 | ±2% | 100 | | 1 | 150 | | 2 | | √ | | | SOT23-6 |
| SY20411AHC | 0.7 | 5 | 0.75 | 0.4 | | 5.25 | 0.5 | ±3% | 0.5 | 18 | 1 | 450 | 800 | 1 | | √ | | | SOT-363 |
| SY20418AAHC | 0.7 | 5 | 0.75 | 0.35 | | 5.25 | 5 | ±3% | 0.5 | 7 | 1 | 400 | 500 | 0.2 | | √ | | Fixed Vout, Bypass function @ shutdown | SOT-363 |
| SY20418AHC | 0.7 | 5 | 0.75 | 0.35 | | 5.25 | 1 | ±3% | 0.5 | 5 | 1 | 500 | 700 | 0.2 | | √ | | OVP, Pass-through function @ shutdown | SOT-363 |
| SY20417AAAC | 0.7 | 5 | 0.75 | 0.35 | | 3.0 | 3 | ±3% | 0.5 | 5.5 | 1 | 500 | 700 | 0.2 | | √ | | Fixed Vout | SOT23-5 |
| SY20417AAC | 0.7 | 5 | 0.75 | 0.35 | | 3.3 | 3.3 | ±3% | 0.5 | 5.5 | 1 | 500 | 700 | 0.2 | | √ | | Fixed Vout, Bypass function @ shutdown | SOT23-5 |
| SY20411LAHC | 0.7 | 5 | 0.75 | 0.2 | | 5.25 | 0.5 | ±3% | 0.5 | 18 | 1 | 450 | 800 | 2 | | √ | | | SOT-363 |