IXD1701B502MR-G

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IXD1701B502MR-G is an integrated linear regulator from Infineon Technologies. This integrated linear regulator is designed for low-cost, low-power applications with adjustable output voltage for consumer, automotive, and industrial applications. This voltage regulator is capable of regulating its output voltage with simple feedback signals.

The IXD1701B502MR-G voltage regulator has a wide input voltage range of 4.5V to 30V and includes a low-dropout (LDO) regulator. The output voltage of the device can be adjusted from 5V to 18V using an external divider or ground-referenced resistor. The operating temperature range is -40°C to 85°C.

The device includes a low current power-on reset (POR) circuit that forces the output voltage to a minimum level. When the input voltage exceeds a programmed limit, the POR circuit forces the output to a lower voltage for protection. The POR threshold is adjustable with an external resistor.

The IXD1701B502MR-G features an internal noise filter for the input voltage. This noise filter is used to remove any unwanted noise components from the input voltage to ensure clean output power. The noise filter also reduces the power consumption of the device by eliminating the need for external filtering components.

The IXD1701B502MR-G has an adjustable current limit that can be set up with an external resistor. This current limit prevents the device from drawing excessively high levels of current, ensuring good thermal performance and reliable operation.

The IXD1701B502MR-G is protected from overvoltage, overcurrent, and short circuit conditions. If any of these conditions occur, the device will shut down to protect itself.

Application Field

The IXD1701B502MR-G is mainly used for various low-cost and low-power applications, such as consumer electronics, automotive, and industrial applications. It is suitable for powering microcontrollers and other low-power circuits. The adjustable output voltage makes it suitable for a variety of applications that require different output voltages. Additionally, the low-dropout (LDO) regulator and noise filter reduce power consumption and improve dynamic response time.

Working Principle

The IXD1701B502MR-G has an internal linear regulator that operates by comparing the output voltage with a voltage reference. An error amplifier measures the difference between the output voltage and the reference voltage. If the output voltage is lower than the reference voltage, the error amplifier increases the output voltage. If the output voltage is higher than the reference voltage, the error amplifier decreases the output voltage. The output voltage is adjusted in accordance with the differences between the actual output voltage and the reference voltage.

An external resistor is connected to the IXD1701B502MR-G to set the output voltage. This resistor divides the input voltage and provides a feedback signal to the error amplifier. The reference voltage and the feedback signal are compared to determine the output voltage. The output voltage can be adjusted by varying the resistance value of the external resistor.

The IXD1701B502MR-G includes an internal low current power-on reset (POR) circuit that holds the output voltage at a minimum level. When the input voltage rises above a predetermined limit, the POR circuit will force the output voltage to a lower level for protection.

The IXD1701B502MR-G also includes a low-noise, low-dropout (LDO) regulator. This LDO regulator is used to reduce power consumption and improve dynamic response time by removing unwanted noise components from the input voltage. An adjustable current limit is included to prevent the device from drawing excessively high currents and ensuring good thermal performance.

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