| Part No | MODE | VDD | VOUT | IQ | FOSC | Eff. | Max.Duty Cycle | Accu | IOUT | Package | Application | Reference |
| HF8531 | PFM | 0.8~5.5V | 2.5~6V | 4μA | 450KHz | 85% | ±2% | Internal MOSFET | 300mA | SOT89-3, SOT23-3, SOT23-5 | MP4, 应急充, 鼠标, 玩具 | AIC1642, S-8351, XC6383, RT9261 |
| HF8531C | PFM | 0.8~5.5V | 2.5~6V | 6μA | 400KHz | 90% | ±2% | External MOSFET | SOT89-5, SOT23-3, SOT23-5 | MP4, 应急充, 鼠标, 玩具 | RH5RK, XC6368 | |
| HF8536 | Sync Boost PWM | 0.9~5V | 1.8~3.6V | 8μA | 1000KHz | 94% | ±2% | Internal Sync Rectifier | 300mA | SOT89-3, SOT23-3 | 玩具, 鼠标 | |
