| PT16972 | 6~36 | Boost Conveter +
4ch Constant Current Regulator
| 200~2100 | PWM | 4
| 100mA/ch | UVLO/OCP/OVP THSD/OPEN/SHORT | 24
| HTSSOP |
| PT6971 | 4~15 | Boost Conveter +
1CH Constant Current Regulator
| 600 | PWM | 1
| 30mA | UVLO/OCP/OVP LED Open/Short | 8
| DFN |
| PT6973 | 4~15 | Boost Conveter +
1CH Constant Current Regulator
| 600 or Ext. Syn. | PWM | 1
| 30mA | UVLO/OCP/OVP LED Open/Short | 8
| DFN |