LT1076IQ#PBF

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The LT1076IQ#PBF is a DC-DC switching regulator, which falls under the category of PMIC (Power Management Integrated Circuit). It is designed for regulating voltages between 2.5 and 60V, and provides precision current and voltage regulation for a variety of electronic equipment. This device features an improved design to ensure output accuracy and stability in all working environments.

LT1076IQ#PBF offers a high efficiency performance when used as an adjustable voltage regulator. It is equipped with two current limit ranges, one of which can step up the output voltage up to 33V, while the other can step up the output voltage up to 10V. It has a wide operating temperature range of -40 to 150°C and maximum output power of 50W. Furthermore, it offers overvoltage and overcurrent protection, as well as a wide output adjust range of 0-100%.

The primary application field of the LT1076IQ#PBF is battery powered portable equipment, as it is ideally suited for low current and high voltage battery applications. It can also be used to provide on/off remote enable control for other devices, or for providing power stabilisation for power amplifiers, high performance audio applications, or medical equipment. In addition, this device can be used for providing high precision measurements in test and measurement equipment.

This device consists of a voltage conversion circuit, which consists of an internal switching transistor, inductor, diode rectifier and a feedback/control circuit. The transistor switches on and off at a frequency determined by the external components. When the transistor is on, current flows through the inductor, which creates a magnetic field. When the transistor is off, the magnetic field collapses, providing the energy stored in the inductor to the output. The input voltage should be higher than the output voltage, as the voltage regulator requires a voltage head to regulate the output voltage.

The feedback/control circuit compares the output voltage to the reference voltage and then adjusts the pulse width of the switching transistor to maintain site accuracy of the output voltage. The reference voltage is set by a voltage divider from the output voltage. The memory or state of the device is maintained by a latch circuit which is made up of three transistors.

The LT1076IQ#PBF can also be used as a current regulator, which limits the current through the output. This is achieved by using a resistor in series with the output and connecting it to the reference pin of the part. The reference voltage is then adjusted such that the voltage drop across the resistor equals the programmed output current. This results in the ability to provide an adjustable output current without changing the feedback resistor value.

In summary, the LT1076IQ#PBF is a versatile DC-DC switching regulator, which is ideal for regulating voltages between 2.5 and 60V. It has a wide operating temperature range of -40 to 150°C and maximum output power of 50W. It features two current limit ranges, one of which can step up the output voltage up to 33V, while the other can step up the output voltage up to 10V. Its primary application field is battery powered portable equipment, as it is ideally suited for low current and high voltage battery applications. It can also be used for providing on/off remote enable control for other devices, or for providing precision current and voltage regulation for a variety of electronic equipment.

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