SC1548CSK1.5TRT

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The SC1548CSK1.5TRT is an IC from Semtech, which is a linear regulator controller. It has high power capability with a wide output voltage range and low quiescent current which can help to minimize power dissipation. It has advanced protection functions and high accuracy voltage regulation.

Features

• High power capability up to 10A
• Output Voltage Range: 1.2V to 35V
• Low quiescent current: 10µA
• Accuracy of Regulation ±1.5% (1.2V to 14V)
• Advanced protection functions like current limit, over voltage protection and thermal shutdown
• Low dropout voltage
• Operating temperature range -40°C to 105°C

Application Field

The SC1548CSK1.5TRT can be used in many applications such as notebook computers, LCD TVs, tablets and other devices. It can be used to provide a regulated voltage from 1.2V to 35V as given by the output voltage range. It is ideal for power supply designs where high power and low quiescent current are necessary.

Working Principle

The SC1548CSK1.5TRT regulator controller works by sensing the current flow through a transistor and adjusting the voltage drop across it to maintain a constant output voltage. This voltage is compared against a voltage reference to generate a control signal which is then used to switch the output transistor on and off. By using a high gain error amplifier and voltage reference the controller is able to achieve high accuracy voltage regulation.

The SC1548CSK1.5TRT also has advanced protection functions like over voltage protection and current limit, which help to protect the circuit from damage during fault conditions. The device also has thermal shutdown, which will shut down the regulator if the temperature rises too high.

The SC1548CSK1.5TRT has a wide output voltage range and low quiescent current, making it ideal for applications where power dissipation needs to be minimized and high accuracy voltage regulation is required.

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