AM9789：Single Phase BTL Linear Drivers
| Part Number | Data Sheet | SPICE Model | Operating Voltage (V) | SupplyCurrent (mA) | Average OutputDrive Current (mA) | Peak Output Current (mA) | Reference Voltage Output (V) | Hall Bias Voltage (V) | Speed Control | Speed Control Slope Adjust | Lock Detect, Shut-Down and Auto Start | Frequency Generator (FG) and Rotation Detect (RD) | Other Protection Features | Operating Ambient Temperature (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM9789 | AM9789.pdf | - | - | 2 | - | 1000 | - | 1.3 | PWM or VDD | - | Yes | FG | Thermal Shutdown | -40 to +105 |
Description
The AM9789 is a single-phase, full wave motor driver suited for DC fan motor, and its speed is controlled by PWM input signal. It is suitable for both game machine and CPU cooler which need silent drivers. It features lock protection, thermal shutdown, PWM control, low noise and so on.
Application
- Silent Fan Motors
Features
- BTL Output Single-phase Full-wave Linear Driver
- Silent Driver
- Low Supply Current (Normal Operation，Less than 4mA)
- Low Standby Current (PWM=0 Duty) @ Supply Current Less than 200μA
- Speed Controllable by PWM Input Signal
- Built-in Quick Start Function
- Built-in Lock Protection and Auto Restart Function
- Built-in Hall Bias Circuit
- Built-in FG Output
- Built-in Thermal Shutdown Circuit
- Built-in Over Current Protection Circuit
MSOP-8
- AM9789.pdf AM9789
