NCP1200AP100G

The NCP1200AP100G is a non-synchronous DC-DC converter widely used in battery powered, stand-alone systems. This device is essential to many modern applications because it increases efficiency and maximizes energy savings. The NCP1200AP100G boasts a wide input voltage range, low standby current, high switch efficiency, and a low output ripple. Aside from its feature set, the power module is designed with space and cost savings in mind, meaning it can be implemented in any system without taking up too much room.

Application Field

The NCP1200AP100G switch mode power supply is suitable for many applications, such as industrial and commercial systems, computers, portable devices, automotive and more. It can be used in applications requiring a 5V output such as processor power supplies, GPU power supplies, communications, medical, and backlighting. It is also suitable for applications requiring an adjustable output such as AWG power supplies, LED power supplies and battery chargers.

Working Principle

The NCP1200AP100G power module employs a synchronous, rectified buck converter topology that includes no-load quiescent current standby features. Its features include a wide input voltage range, high efficiency switchmode technology, and a low output ripple. The minimum operating voltage of the device is regulated with an external sampling resistor, and its over-voltage protection occurs when the input voltage crosses the OVP (over-voltage protection) level, which is then imposed on the output voltage. Additionally, the device is designed with a maximum load current and a thermal overload protection to protect the system from thermal conditions.

The NCP1200AP100G operates by switching between two modes: active and standby. In active mode, the input voltage is applied to the control/power circuits of the switch, thus enabling the buck converter section to provide the required output voltage. The device also has a separate regulated current source for soft start and a voltage and current monitor in the output. In standby mode, a low quiescent current and a low-dropout regulator draw a minimum amount of current from the system, essentially providing true zero-power operation. In this mode, the switch is disabled and the low dropout regulator draws a minimum amount of current. This ensures efficient operation and minimizes the thermal impact of the converter.

In summary, The NCP1200AP100G is a power-efficient DC–DC converter designed to improve efficiency and minimize power consumption in a wide variety of applications. Its wide input voltage range, high switch efficiency, and low output ripple make it an ideal choice for many modern applications.