AT1369 is a 2-channel synchronous buck PWM controller with features such as high efficiency, external MOSFET, maximum duty cycle of 100%, soft start, and output voltage accuracy of ±2%.
The Aimtron AT1369 is a 2-channel synchronous buck PWM controller designed for high-performance microprocessor applications. It integrates control, output adjustment, monitoring, and protection functions to drive external P-Channel and N-Channel MOSFETs in a synchronous-rectified buck topology. The device features a maximum duty cycle of 100% and supports oscillation frequencies of 300kHz or 600kHz.
| Oscillation Frequency (AT1369B) | 600 kHz |
|---|---|
| Input Voltage Range | 2.5V to 7.0V |
| Output Voltage Accuracy | +2% |
| Quiescent Current | 1.5mA |
| Stand-by Current | 10 uA |
| Operating Temperature | -20°C to +85°C |
It is suitable for Slim-Type CD-ROM/DVD-ROM/CD-RW drives and power supplies for portable devices.
Yes, the device includes built-in short-circuit protection.
The maximum duty cycle is 100%.