AP1115BY28L-13 Integrated Circuits (ICs)

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AP1115BY28L-13 (hereinafter referred to as AP1115 ) is a linear voltage regulator that belongs to the PMIC - Voltage Regulators - Linear market segment.

AP1115 is manufactured by ANPEC Electronics and its type encapsulation is SOT-89. It has an output voltage range from Vout 5.0V to Vout 6.0V. The voltage accuracy for Vout is ±2%. The current output capability of the AP1115 is a maximum of 500 mA. Operating temperature range is-40°C to +85°C. The supply voltage range is Vcc 4.75V to Vcc 16.0V.

The input capacitance of AP1115 is between 1.0 μF and 10.0 μF, and the output capacitance range is from 1.0 μF to 10.0 μF. It complies with the AEC-Q100 automotive standards and requirements. The power dissipation at the junction for the AP1115 is no higher than 1.5W.

The AP1115 has a foldback current limit that provides an additional protection for the device when the output current rises above the set limit. The input saturation current of AP1115 is typically 50mA, and the output saturation current is typically 52mA. The voltage drop across the AP1115 at the start of its conduction is typically 0.40V.

AP1115 offers protection against over-voltage and over-temperature conditions. It features a thermal shutdown circuit with hysteresis to prevent the device from thermal runaway in the event of excessive temperature. It also features an active discharge circuitry that allows the output to discharge rapidly when it is disabled. The output state of the AP1115 can be controlled by an Enable input pin that can be set to high or low.

AP1115 is widely used in automotive and industrial applications. It can be used to regulate the output voltage of a switching power supply or for controlling the output current of DC motors. In automotive applications, it is used for providing power management to various circuits and components. It can also be used for providing power to electronic devices that require regulated output voltages.

The working principle of AP1115 is quite straightforward and can be explained as follows. It has an internal voltage reference that is set to the desired output voltage. The input voltage is then compared to this reference voltage by the device and accordingly, the output voltage is adjusted. If the input voltage is higher, then the device will start regulating the voltage, and the output voltage will be reduced accordingly.

In order to ensure a stable operation of the AP1115 and to protect it against current and temperature surges, there are several protection features incorporated in the device. Over-temperature protection is provided by a thermal shutdown circuit that shuts off the device when the junction temperature rises above a pre-programmed temperature limit. There is also an input under-voltage lockout that prevents the device from operating when the input voltage is too low. An over-voltage protection feature is also included in the device, which prevents it from turning on when the input voltage is too high.

Overall, AP1115 is a robust, high performance linear voltage regulator suitable for a wide range of automotive and industrial applications. It offers an excellent voltage accuracy and stability coupled with various protection features for enhancing the life of the component.

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