LT1521IS8-3.3#PBF

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The LT1521IS8-3.3#PBF is a CMOS Low Dropout (LDO) regulator feature extremely low quiescent current and a 1.2V dropout voltage at 400mA of output current. It is the ideal choice for powering low power ICs from a higher voltage bus, such as those found in portable devices. The use of CMOS technology enables the LT1521IS8 to consume very low quiescent current while providing fast line and load regulation.The LT1521IS8-3.3 is suitable for applications like mobile phone radio subsystems, handheld instrumentation and personal digital assistants. It operates over a wide input voltage range of 4.5V to 17V. It provides fast line and load regulations, with typical line and load transient response times of 100μs. The output of the LT1521IS8-3.3 is adjustable from 0.8V to the input voltage minus 1.2V.

The LT1521IS8-3.3#PBF is a high-performance low-dropout linear voltage regulator with a wide supply voltage range and very low quiescent current. The regulator works on principles of linear regulation, using a control loop to regulate voltage in proportion to the change in current. Regulation is achieved by comparing the output voltage and the reference voltage, then adjusting the output voltage with a feedback loop to maintain a constancy of output voltage.

The LT1521IS8-3.3#PBF is designed to provide a fixed output voltage with minimum current consumption over a wide input voltage range and also provide excellent transient response. The LT1521IS8-3.3#PBF is laser trimmed to get a tighter tolerance and good quadrature adjustment. The LT1521IS8-3.3 features very low dropout voltages and low quiescent current and is available in 8-lead PDIP, SOIC and TSSOP packages.

The LT1521IS8-3.3#PBF is ideal for portable devices such as cellular phones, laptop computers and PDAs. It also can be used in automotive and non-automotive applications. Its low-dropout feature makes it suitable for circuits requiring less than 1.2V differential between input and output. Its low quiescent current and wide voltage range make it an optimal solution for powering low-voltage, ultra-low power ICs. For example, it can be used to power voltage references, RF transceivers, opamps, clocks and logic circuits. The LT1521IS8-3.3#PBF is also well-suited for powering Microcontroller Unit (MCU) circuits, as it helps reduce power dissipation and increase system efficiency.

The LT1521IS8-3.3#PBF Low Dropout Linear Voltage Regulator offers an adjustable solution with an ultra-low dropout voltage and low quiescent current. It is easy to use and provides excellent transient response times, making it an ideal choice for many applications that require a fixed, low-power output voltage. It is available in an 8-lead PDIP, SOIC and TSSOP packages, making it a flexible solution for a wide variety of system designs. The LT1521IS8-3.3#PBF LDO regulator is the ideal choice for a wide range of portable, automotive and non-automotive applications.

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