AP1501A-50K5G-13

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AP1501A-50K5G-13 is a high efficiency zero standby current synchronous switching buck regulator. With PWM control and the external N-channel MOSFET, it makes the output voltage adjustable in the wide range from 1.2V to 5V. The other features of the AP1501A-50K5G-13 make it an ideal choice for a variety of applications such as mobile phone, digital camera, and MP3 players. The power device is built-in switch, so it can reduce the part number and achieve space saving. In addition, it is equipped with the functions of soft start, power good indicator, analogue programming, frequency modulation, and over temperature and over voltage protection.

The AP1501A-50K5G-13 is a DC-DC switching regulator, and is one of the many products within the category of PMIC. This type of voltage regulator is used to convert a higher voltage DC signal into a lower voltage DC signal. The process involves controlling the switching of the external power devices to draw current from the input source to the output load. This is done by regulating the duty cycle of the switching devices. The switching regulator is capable of delivering greater efficiency than linear voltage regulators as it has a continuously variable duty cycle, as opposed to the fixed duty cycle found in linear regulators.

The AP1501A-50K5G-13 operates in the Pulsed Width Modulation (PWM) mode. This mode deals with the primary control loop of a voltage regulator. With a high frequency signal, the ratio between the charge time and the discharge time determines the output voltage. The AP1501A-50K5G-13 measures the output voltage to control the duty cycle. It will adjust the duty cycle to maintain a constant output voltage when the load current changes.

The electrical performance of the AP1501A-50K5G-13 includes higher efficiency with low losses, lower to zero standby current, excellent line and load regulation. It uses an internal MOSFET and requires few external components, which reduces the board space and costs. The AP1501A-50K5G-13 also offers voltage tracking, frequency modulation, and over temperature protection, as well as other current protection and monitoring features.

The AP1501A-50K5G-13 is a perfect choice for application fields that require high efficiency, such as mobile phones, digital cameras, MP3 players and etc. The AP1501A-50K5G-13 can deliver a maximum output current up to 1A, and offers an adjustable output voltage from 1.2V to 5V at 3.2V to 4.2V input. The switching frequency of the AP1501A-50K5G-13 is programmed to 500KHz, offering a high frequency with low output ripple for power supply applications.

In summary, the AP1501A-50K5G-13 is a high efficiency, low standby current, synchronous switching buck regulator, which is able to provide up to 1A and adjustable output voltage from 1.2V to 5V, and is suitable for application fields like mobile phones, digital cameras, and MP3 players. The AP1501A-50K5G-13 is one of the many products within the category of PMIC, and more specifically, DC-DC switching regulators.

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