S-1112B28MC-L6NTFG

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The S-1112B28MC-L6NTFG is a three-terminal, low-dropout voltage regulator that provides an output voltage of 28V from an input voltage range of 4.5V to 28V. It features a highly efficient, low-voltage drop internal P-channel MOSFET, allowing it to deliver up to 72mA at low input voltages. It has very low current requirements, just 10µA quiescent current, and is ideal for applications that require low quiescent current while delivering a steady output voltage.

The S-1112B28MC-L6NTFG is designed for use in automotive and industrial applications such as actuators, battery-related products, protection devices, and communication systems. It is also suitable for use in portable medical devices and consumer electronics, where its low quiescent current and high output current can help reduce battery drain and extend battery life.

The S-1112B28MC-L6NTFG is designed to operate down to input voltages as low as 4.5V, allowing the device to maintain a steady output voltage even when used in battery-powered applications with a limited input voltage range. The device features low maximum current requirements, allowing it to be used in a wide variety of applications without the need for an external heat sink. The device has a maximum output current of 72mA and a maximum dropout voltage of 1.45V at 72mA output current.

The S-1112B28MC-L6NTFG is a linear low-dropout (LDO) regulator. This type of regulator uses a linear voltage drop between the input voltage and the output voltage and is therefore more efficient than other types of regulators. The linear regulator includes an error amplifier, a P-channel MOSFET pass transistor, and an output section. The error amplifier monitors the output voltage and compares it to the reference voltage. If the output voltage is higher than the reference voltage, the pass transistor is turned on and its resistance decreases, causing the output voltage to drop. If the output voltage is lower than the reference voltage, the pass transistor is turned off and its resistance increases, allowing more current to flow from the input voltage to the output voltage and raising the output voltage.

The S-1112B28MC-L6NTFG also includes a thermal protection circuit that prevents the device from overheating by turning off the pass transistor when the die temperature reaches a certain limit. This helps to ensure that the device can continue to operate safely and reliably even when subjected to high temperature environments.

The S-1112B28MC-L6NTFG is designed to be able to withstand vibration, shock, and high temperature environments. It is rated to operate over a temperature range of -40°C to 125°C. The device is mechanically rugged and stable, making it well suited for automotive and industrial applications. The device also features a low-noise design and can be used with ceramic capacitors.

In summary, the S-1112B28MC-L6NTFG is an ideal device for applications requiring low quiescent current, a wide input voltage range, and a high output current. It is especially suited for automotive and industrial applications, where it is able to maintain a steady output voltage even in the most demanding environments. The device offers good thermal protection and is mechanically rugged, making it a reliable and stable choice for a wide range of applications.

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