S-1112B48MC-L7HTFG

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Introduction

The S-1112B48MC-L7HTFG is a voltage regulator from the PMIC-Voltage Regulators-Linear family. This device provides a regulated output voltage from an adjustable input voltage range. The output voltage range is adjustable by using external resistors. It has a wide operating range and a high degree of accuracy.

Features

• Low Quiescent Current (IQ): 8μA
• Output Voltage Range: 1.8V to 5V
• Minimum Output Voltage: 1.8V
• Adjustable Output Voltage: 0.8V to 5V (hot temperature range)
• Maximum Output Current: 800mA
• Load Regulation: 0.5% Typical
• Line Regulation: 0.1% Typical
• Reverse Current Protection
• Adaptive Rise and Fall Time: Max. 700ns
• Temperature Range: -40°C to +150°C

Advantages

This type of voltage regulator offers many advantages for circuit designers. These include:

• High accuracy output voltage.
• Low quiescent current and low dissipation.
• The ability to adjust the output voltage with external resistors.
• Wide operating temperature range: -40°C to +150°C.
• High efficiency due to adaptive rise and fall time.
• Reverse current protection.

Applications

The S-1112B48MC-L7HTFG Voltage Regulator is suitable for a wide range of applications, including:

• Data processing and telecommunications systems
• Mobile phones and other portable electronics
• Industrial, medical, automotive and consumer electronics
• Battery-powered systems and portable systems
• Digital TVs, set-top boxes and tuners
• Interface cards and other portable computer peripherals
• Power supplies, audio and video systems

Working Principle

The working principle of the S-1112B48MC-L7HTFG Voltage Regulator is based on the concept of linear regulation. In this type of regulation, a control element reduces the output voltage if the input voltage increases and vice versa. The S-1112B48MC-L7HTFG has a voltage sensing circuit, a distributed power transistor and an adjustable output voltage stage. A minimum current source supplies current to the sense transistor and the gate of the power transistor. The sense transistor changes its threshold voltage as the input voltage changes and the gate voltage of the power transistor is adjusted accordingly, resulting in a regulated output voltage. The S-1112B48MC-L7HTFG also has a built-in reverse current protection. This protection ensures that no current flows in the case of a reverse voltage being applied to the output.

Conclusion

The S-1112B48MC-L7HTFG is a linear voltage regulator from the PMIC-Voltage Regulators-Linear family. This regulator offers many advantages over other types of voltage regulators, such as low quiescent current, adjustable output voltage, wide operating temperature range, high efficiency and reverse current protection. Additionally, it has a wide range of applications such as industrial, medical, automotive and consumer electronics, data processing and telecommunications systems, and set-top boxes. The regulator operates by linear regulation, making use of a control element that reduces the output voltage if the input voltage increases and vice versa.

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