LT6657BHMS8-5#PBF

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PMIC (Power Management Integrated Circuits) refer to the semiconductor component that contains multiple voltage regulation and power management functions required by the system. LT6657BHMS8-5#PBF integrated circuit (IC) is a high precision reference IC which belongs to the PMIC family and can be used for multiple application fields. This article focuses on the LT6657BHMS8-5#PBF application field and working principles.

Working Principle

As a voltage reference IC, the LT6657BHMS8-5#PBF regulates the output voltage with a low power, low noise and high accuracy of 2.5 %. Controlled by a single external resistor, the LT6657BHMS8-5#PBF is designed to provide regulated voltage and current in all kinds of systems, such as point-of-load regulators, switch mode power supplies and battery-powered systems.

The LT6657BHMS8-5#PBF is a low current voltage reference (Vref) IC and a precision resistor-divider (R-DIV). It includes two high-precision, low-power, adjustable reference, a low-dropout (LDO) voltage regulator, a single resistor-divider, a buffered voltage comparator for over-temperature protection and a bandgap output reference for analog-to-digital converters (ADCs).

The LT6657BHMS8-5#PBF operates from an input voltage range of 2.5V to 5.5V. It has two internal reference voltages, one set to a bandgap voltage of 1.2V and the other adjustable between 0.6V and 3.2V. The excessive external resistor enables the user to set the output voltage of the voltage reference to any level within the input voltage range.

Application Fields

The LT6657BHMS8-5#PBF is used in a variety of applications and system such as digital-to-analog and analog-to-digital converters, digital logic circuits, wireless systems, computer systems, consumer electronic products, industrial systems, automotive sensor and control systems, etc. It is used to monitor voltage levels and regulate the output voltage across load. It is also used for voltage scaling, voltage setting and reference voltage applications.

The LT6657BHMS8-5#PBF is also used in amplifiers and filters, power supplies, portable devices and other industrial applications. It is designed to provide precision voltage and current regulation and is available in various package sizes, making it suitable for space-constrained designs. The LDO output on this IC can be used to provide a low-noise supply for analog circuit and to power the digital IC peripherals.

For battery powered applications, the LT6657BHMS8-5#PBF is used to monitor the battery voltage and provide a constant output voltage over a wide range of input voltage. The regulation tolerance is 2.5% over the temperature range. The low dropout voltage, low quiescent current, over-temperature protection logic and fast transient response make it a suitable choice for portable systems.

In summary, the LT6657BHMS8-5#PBF is a low-power, low-noise and accurate voltage reference IC and is used in multiple applications such as digital-to-analog and analog-to-digital converters, digital logic circuits, wireless systems, computer systems, consumer electronic products, industrial systems, automotive sensor and control systems and other battery powered applications.

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