LT1576IS8-5#TRPBF

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LT1576IS8-5#TRPBF is an integrated switched-mode power supply device which is an important member of DC-DC switching mode regulators family. This product is available in a 8-lead plastic package and the external connection of this regulator is TO-203AC that has a power dissipation of up to 1W.

The main application of LT1576IS8-5#TRPBF is its use as a Boost/Step-Up regulator in order to maintain a constant output voltage on diverseinputs. These regulators are beneficial for applications with multiple supply voltages, where the sensor/circuit/equipment needs a higher voltage of 1.2V or greater than the supply voltage. It is commonly used in appliances such as TVs, home theater systems and portable electronics like laptop chargers and cell phones.

The LT1576IS8-5#TRPBF utilises a special circuit which allows it to operate efficiently for both Boost or Buck-Boost operation. This DC/DC regulator is capable of generating output voltages up to +5V from inputs as low as 0.8V, with a working current range from 20mA to 800mA. It also offers a wide range of output voltages with a maximum temperature rating of 85°C.

The working and operating principle of the LT1576IS8-5#TRPBF involves controlling the output voltage through a pulse-width modulation (PWM) technique. This regulator works by generating pulses at a frequency of 250kHz which are then filtered to maintain a constant output voltage. The main features of this regulator can be summarized as:

• Switch-Mode regulator – It offers high efficiency, low EMI/RFI emission and low power loss output.
• Wide range of Input Voltage – Suitable for usage from 0.8V to 5V inputs.
• Wide range of Output Voltage and Current – Generates up to 5V output and handle up to 800mA.
• High Temperature Rating – It offers higher operating temperature ranges, up to 85°C.

The LT1576IS8-5#TRPBF is a very versatile and efficient DC/DC regulator due to its wide input and output voltage range, high temperature rating and robust design. It is suitable for a wide range of applications and can also be used in devices which require high power as it offers good line and load regulation.

In conclusion, the LT1576IS8-5#TRPBF is an excellent choice for applications which need to boost and regulate voltages. This DC/DC regulator offers the high efficiency, low EMI/RFI emissions and temperature rating which are all essential for its successful implementation.

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