Description
Pin Assignments
The AP3409/A is a current mode, PWM synchronous buck DC/DC converter, capable of driving a 3A load with high efficiency, excellent line and load regulation.It operates in continuous PWM mode.The AP3409/A integrates synchronous P-channel and N-channel power MOSFET switches with low on-resistance.It is ideal for portable applications powered from a single Li-ion battery.100% duty cycle and low on-resistance P-channel internal power MOSFET can maximize the battery life.The sw
Features
- Input Voltage Range: 2.6V to 5.5V.
- Adjustable Output from 0.8V to 5V.
- 0.8V Reference Voltage with ±2% Precision.
- Output Current: 3A.
- High Efficiency up to 95%.
- Low RDSON Internal Switches.
- Programmable Frequency: 300kHz to 4MHz.
- Current Mode Control.
- Forced Continuous-mode Operation.
- 100% Duty Cycle.
- Built-in Soft-start.
- Built-in Short Circuit Protection.
- Built-in Thermal Shutdown Protection.
- Built-in Current Limit Function.