RT9011-FGGJ6

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The RT9011-FGGJ6 is a three-terminal linear regulator (LDO) offering 100mA of output current and excellent line regulation of 0.2%. It requires a minimal amount of external components, and the addition of an output capacitor enhances load transient response. The RT9011-FGGJ6 implements on-chip thermal shutdown and current limit protection, which guards against output overload and excessive die temperature. Moreover, its operation can be guaranteed from a wide input voltage range of 2.4V to 5.5V. The output voltage of RT9011-FGGJ6 is factory-trimmed to ensure an initial tolerance of ±2% over temperature and line conditions.

The RT9011-FGGJ6 has various application fields, such as battery-powered equipment and peripherals, automotive electronics, industrial systems, and point-of-load DC-DC converters. In battery-powered equipment and peripherals, it provides a stable power supply to enable long-term low power operation, reduce power dissipation, maintain battery life, and minimize heat dissipation. Furthermore, it can replace a large number of discrete components and save PCB area. The usage of the RT9011-FGGJ6 in automotive electronics, industrial systems, and point-of-load DC-DC converters can help with system cost, size, and power efficiency.

The working principle of the RT9011-FGGJ6 can be simplified to the following. A constant-current source and an error amplifier are used for current and voltage regulation. The current gain of the error amplifier is set to reduce the output voltage of the voltage regulator. When the output voltage-settle voltage exceeds the reference voltage, the error amplifier sends a signal to the constant-current source. The current source then reduces the output current, lowering the output voltage until a balance between the voltage and current is reached.

The output stage of the RT9011-FGGJ6 consists of MOSFETs and a resistor divider. The output voltage is set according to the different voltage divider resistors. The resistor divider works as an output voltage adjustable for the device. The output voltage can be adjusted from 0V to 6V without changing the output current. Furthermore, the circuit design with the current-control loop and the voltage-feedback loop minimize the output noise and improve the overall performance of the device.

The advantages and features of the RT9011-FGGJ6 align perfectly with the current demand of various industries. Its capability of adjusting output voltage, providing excellent line regulation and thermal shutdown protection are just some of the reasons of its popularity. These features make the RT9011-FGGJ6 ideal for use in battery-powered equipment, automotive electronics, industrial systems, and point-of-load DC-DC converters.

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