SC1458AWLTRT

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Linear voltage regulators are the most popular, simple, and low-cost type of power-management solutions used in a variety of electronic applications. Offering features like highly precise output voltage accuracy and cost-effective field-application adaptability, linear voltage regulators are used worldwide for many purposes. Of all the linear voltage regulators available, the SC1458AWLTRT is one of the most advanced integrated circuits (ICs) and offers the best performance on the market. This article will present an in-depth look into the SC1458AWLTRT\'s application field and working principle.

The SC1458AWLTRT is a dual low dropout (LDO) regulator IC produced by a leading semiconductor manufacturer, Texas Instruments. It is available in two versions: the “A” and “T” versions – A for Automotive Grade and T for Telecommunication Grade. It is a monolithic integrated circuit with two regulators intended for use with input supplies of 3 V to 6.5 V (5.5 V in case of the T version). The maximum output current of each regulator is 1.5 A and the desired output voltage ranges from 1.25 V to 5.5 V.

One of the key features of the SC1458AWLTRT IC is the accurate voltage output. This IC has a maximum output voltage accuracy of ±2.5 mV, which is substantially better than many other regulator ICs on the market. Other key parameters include a temperature range of -40°C to +125°C, a dropout voltage at full load of 1.9 V typical and 2.4 V maximum (1.4 V for T version), a quiescent current of 1 mA, and a ripple rejection of 77 dB.

The SC1458AWLTRT is a very low-power, power management IC. It has many applications in automotive, industrial, consumer and telecommunications applications. Some of the most common applications for the SC1458AWLTRT include powering wireless sensors, home appliances, digital meters, automotive devices, cellular phones, medical devices and many other electronic devices. The IC also provides power management and protection for point-of-load (POL) DC-DC & AC-DC converter components. It can also be used as a battery charger pre-regulator, USB current limiter, CPU and memory voltage regulator, and as a pre-regulator or post-regulator for many applications.

The SC1458AWLTRT works on a principle of low-dropout voltage regulation. This means that the voltage difference between the input and output should be as low as possible in order to regulate the output voltage accurately. This IC is designed to provide a stable output voltage with an input voltage range of 3 V to 6.5 V. It features two separate internal regulators to provide two independent regulated outputs. Each regulator has its own separate enable pin and feedback pin so that the output can be regulated independently. The regulators can also be disabled when not in use for further power savings.

The SC1458AWLTRT is protected by short-circuit, thermal, reverse voltage and overvoltage protection features. Its shut-down input and output current limit features help to avoid circuit damage due to transient over-currents. Additionally, an output tracking feature helps to ensure that the two regulators track each other within ±1%.

The SC1458AWLTRT also features accurate OVP (over-voltage protection) and IOT (current-limit) circuit protection. OVP is used to protect the IC from voltage surges and IOT is used to protect the sensitive components in the application from high currents. The IC also employs a high ripple rejection feature of up to 95dB to minimize noise caused by high load capacitance or input voltage transients.

Overall, the SC1458AWLTRT is a high-quality, high-performance linear voltage regulator IC. It is designed to provide low-noise, low-power, high-current voltage regulation and is ideal for a wide range of applications. With its high-accuracy output voltage regulation, excellent ripple rejection, short-circuit, thermal, reverse-voltage and overvoltage protection features, the SC1458AWLTRT is a superior choice for many electronic applications.

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