LM2576T-ADJ IC Step−Down Switching Regulator

The LM2576T-ADJ is a monolithic IC that provides all the active functions for a step-down (buck) switching regulator. 2576T ADJ is capable of driving a 3-A load with excellent line and load regulation. The LM2576T-ADJ is available in an adjustable output version, which allows you to set the output voltage to any value between 1.2 and 30 V.

The LM2576T-ADJ is a high-efficiency Step−Down Switching Regulator (Buck Converter) , with typical efficiency of up to 90%. LM2576T ADJ IC also features TTL shutdown capability, which allows you to turn off the regulator by applying a low logic level to the SHUTDOWN pin.

The maximum output voltage is limited by the input voltage and the internal circuitry of the LM2576T-ADJ. The maximum input voltage is 40 V, so the maximum output voltage is 37 V.

The minimum output voltage is limited by the ADJ pin voltage and the RSET resistor. The minimum ADJ pin voltage is 1.23 V, so the minimum output voltage is 1.23 V + 1.23 V = 2.46 V.

The LM2576T-ADJ is an adjustable output voltage regulator IC, which means that you can set the output voltage to any value between 1.2 and 30 V. The output voltage is set by the feedback network, which consists of the ADJ pin, the RSET resistor, and the CADJ capacitor.

This LM2576 IC is a switching regulator, which means that it uses a switching circuit to convert the input voltage to the output voltage. This is in contrast to a linear regulator, which uses a series resistor to drop the input voltage to the output voltage.

Features : –

The LM2576T-ADJ is a versatile and efficient voltage regulator that can use in a wide variety of applications. The adjustable output voltage makes it a good choice for applications where the output voltage needs to be precisely controlled. The LM2576T ADJ is a versatile and efficient voltage regulator that offers a number of benefits, including

• High efficiency
• Adjustable output voltage
• TTL shutdown capability
• Simple to use
• Inexpensive
• Small size
• Wide operating temperature range
• Robust design

LM2576T-ADJ IC Specifications : –

The 2576T ADJ IC is a very efficient regulator, with typical efficiency of up to 90%. This is because the switching circuit only turns on and off for a very short period of time, which minimizes power dissipation.

The higher efficiency of the 2576 IC means that it can dissipate less power, which can lead to a smaller heat sink or no heat sink being required. This can make the 2576 IC a more compact and affordable solution than a linear regulator. Here are the specifications of the LM2576T ADJ:

• Input voltage: 4.5 to 40 V
• Output voltage: 1.2 to 30 V
• Output current: 3 A
• Efficiency: Up to 90%
• Shutdown current: 80 μA
• Operating temperature: -40 to 125°C
• Package: TO-220-5

LM2576T-ADJ IC Pin Description : –

The 2576T ADJ IC is also a very versatile regulator, with adjustable output voltage and TTL shutdown capability. This makes it a good choice for a wide variety of applications, including power supplies for electronic devices, LED drivers, battery chargers, and DC-to-DC converters.

• VIN pin is the input voltage pin. The input voltage must be within the specified range of 4.5 to 40 V.
• OUTPUT pin is the output voltage pin. The output voltage is determined by the feedback network, which consists of the ADJ pin, the RSET resistor, and the CADJ capacitor.
• GND pin is the ground pin. The ground pin must be connected to the negative terminal of the input voltage.
• ADJ pin is the feedback pin. The ADJ pin is used to set the output voltage of the 2576T ADJ.
• SHUTDOWN pin is the shutdown pin. The SHUTDOWN pin can be used to turn off the 2576T ADJ by applying a low logic level to the pin.

LM2576T-ADJ IC Applications : –

The LM2576T IC is a versatile and efficient voltage regulator that can be used in a wide variety of applications. Some of the most common applications for the LM2576T IC include:

• Simple high-efficiency step-down (buck) regulator
• Efficient pre-regulator for linear regulators
• On-card switching regulators
• Positive to negative converter (buck-boost)
• Negative step-up converters
• Power supply for battery chargers

In addition to these common applications, the LM2576T IC can also use in a variety of other applications. The versatility of the LM2576T IC makes it a popular choice for a wide variety of electronic designs.

Package : –

1 x LM2576T-ADJ IC

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