AP7315-185W5-7

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AP7315-185W5-7 is a linear voltage regulator designed for one or two-cell lithium battery inputs. It features a wide operating input range, high efficiency, fast transient response, very small size and excellent long-term stability.

Features

AP7315-185W5-7 is an IC that has several key features. First, it is capable of providing an output voltage from 5.75V to 7.0V with a nominal output voltage of 6.375V. It has an adjustable output voltage setting, adjustable output current setting and adjustable reference voltage setting. It also features high efficiency, fast transient response and very small size, making it suitable for a variety of applications such as notebooks, digital cameras and automotive systems.

The device comes with a built-in current limit and short circuit protection. It also has an over-temperature protection feature which is essential for the safe operation of the device in a variety of environmental conditions. In addition, the device is designed to provide a high level of electrical noise immunity and is designed to be compliant with the RoHS directive.

Application fields

AP7315-185W5-7 is an ideal linear voltage regulator for a variety of applications. It can be used in notebooks, digital cameras, medical and automotive systems, etc. It is suitable for use in applications where the operating temperature is between -40°C and +85°C. For example, the device can be used for single or dual-cell lithium battery applications such as portable consumer devices, PDAs, digital cameras, MP3 players and portable navigation devices.

The device can also be used in handheld medical devices, such as glucometers, and automotive systems, such as engine control units and differential controllers. In addition, the device can be used for DC-DC converters, switching regulators and power management applications. The device is also capable of handling input voltages from 10V to 20V and output currents up to 3A.

Working Principle

The working principle of the AP7315-185W5-7 linear voltage regulator is simple yet effective. The device is composed of a voltage reference, an amplifier and an output buffer. The voltage reference circuit provides a precise and stable output voltage which is set by a variable external reference voltage. The amplifier then amplifies the small differences between the output and the reference voltages, the output buffer then amplifies the amplified voltage and provides it to the load.

The device also has built-in protection features such as current limiting, over-temperature protection, over-voltage and under-voltage protection. These features ensure that the device operates safely and reliably. The device is also capable of providing very fast transient response times, making it suitable for high-speed applications.

In summary, the AP7315-185W5-7 is a linear voltage regulator designed for one or two-cell lithium battery inputs. It is capable of providing an output voltage of 5.75V to 7.0V with a nominal output voltage of 6.375V and is ideal for a variety of applications, including portable consumer devices, PDAs, medical devices and automotive systems. The device has built-in protection features such as current limiting and over-temperature protection and is capable of providing a very fast transient response time.

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