AP7313-30SRG-7

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AP7313-30SRG-7 is a high performance linear voltage regulator designed for applications in aerospace, medical, and industrial systems. The device integrates a low dropout (LDO) regulator, a high accuracy reference, and a temperature compensation and fault protection circuit into a small 4-pin SOT-23 package. The device is ideal for automotive, telecommunications, and other applications where rapid, reliable start-up from power is required.

The AP7313-30SRG-7 features a 200 mA maximum output current, a reference voltage of 0.7V, a power-up reset with a hysteresis range of 0.2V to 0.6V, and an overvoltage protection of 7.5V. The device operates at an input voltage of 2V to 7V, with an operating temperature range of -40°C to +125°C. The AP7313-30SRG-7 has a low dropout voltage of 250 mV and provides high power supply rejection ratio (PSRR) over the full temperature range.

The AP7313-30SRG-7 is based on a linear topology, which includes a PNP pass transistor. The linear topology allows for operation with a wide supply voltage range from 2V to 7V, and a wide output voltage range from 0.7V to 7.5V. The linear technique is beneficial for its low ripple, low power consumption and low noise levels, however it requires large value bypass capacitors for good performance. The AP7313-30SRG-7 requires two external capacitors for stability, a 10µF capacitor for output voltage and an 0.1µF capacitor for the rising edge of the power-up reset circuit.

In order to protect AP7313-30SRG-7 from external overvoltage sources, the device includes an additional overvoltage protection (OVP) circuit. The OVP circuit provides a constant level of protection when the output voltage reaches a maximum level of 7.5V. This feature is ideal for automotive and other applications where external power sources may attempt to exceed the specified voltage levels. If an overvoltage is detected, the AP7313-30SRG-7 will disconnect the output and reset automatically.

AP7313-30SRG-7 is a high performance voltage regulator that is ideal for applications requiring rapid start-up, low dropout voltage and high accuracy reference. Its wide operating voltage range, power up reset range, and overvoltage protection make it suitable for use in a wide range of industrial, medical, and aerospace applications. The linear topology and two external capacitors also make it an ideal choice for applications requiring low noise, low ripple, and low power consumption.

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