LM2576T-ADJ

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LM2576T-ADJ is a popular voltage regulator designed by Texas Instruments. It is a switching regulator that can be used to convert a wide range of DC voltages, from 5V to 40V, into a specific output voltage, normally between 1.23V and 37V. The LM2576T-ADJ is part of the Texas Instruments family of pulse-width modulation (PWM) switching regulators. It has been designed to accept a wide input voltage range and also has a 1.23V to 37V output range.

The LM2576T-ADJ is primarily used for applications such as LED drivers, battery Chargers, and DC/DC converters. For example, the device can be used to convert 3.3V from a Li-ion battery to 1.8V for application processors in portable and mobile devices. Alternatively, it can be used to convert a 3V from a USB adapter to 5V for powering electronics devices.

The LM2576T-ADJ is a step-down switching regulator that uses pulse-width modulation (PWM) to create a constant output voltage despite changes in the input voltage. The device consists of an internal oscillator, control logic, error amplifier and two drivers. The error amplifier compares the output voltage with the reference voltage and adjusts the duty cycle of the PWM pulse at the output. The switching frequency is adjustable within a range of 250kHz to 2MHz.

The regulator also has an integrated synchronous rectifier, which eliminates the need for an external Schottky diode and reduces the energy loss of the system. The rectifier also provides an improved power efficiency of over 90%. An additional feature of the LM2576T-ADJ is its built-in current limiting and thermal shut-down, which protects the circuit from over-current and over-temperature conditions. The LM2576T-ADJ also has an enable pin to control the power-up and power-down of the device.

The LM2576T-ADJ is available in a variety of packages. It is typically available in a adjustable TO-220 package, and also available in a 3-pin SOT-223 and 8-pin TO-263 packages. It also generates very little EMI and consumes very little quiescent current, making it suitable for a wide range of applications.

In summary, the LM2576T-ADJ is an efficient and cost effective constant voltage source designed for applications where the output voltage must be accurately regulated. The device has a wide input voltage range, which allows it to be used with a wide variety of power sources. It also has built-in protection features, allowing it to be used safely in a variety of settings. The device is also available in a wide variety of packages, making it suitable for many different applications.

The specific data is subject to PDF, and the above content is for reference