RT8720B Overview
The RT8720B is a single-phase driver IC for fan motors. Rotation speed is controlled by supply voltage modulation. In the supply voltage control application, the fan speed slope is adjustable by the external voltage input.
RT8720B Key Features
- Low Supply Current
- Adjustable Voltage Control Fan Speed
- Supply Voltage Speed Control
- Smart Force Start-up Function
- Built-in Lock Protection
- Built-in Thermal Shutdown
- Built-in Over-Current Protection
- Built-in Frequency Generator with FG Output Signal
- Include Hall Bias Circuit
- RoHS pliant and Halogen Free
RT8720B Applications
- Single-Phase Fan Motor for Notebook or PC