LM2576TV-ADJG

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The LM2576TV-ADJG is a high performance monolithic step-down switching regulator. It offers low output noise and a wide operating range, which makes it well-suited for many different types of applications. With guaranteed output current of over 3 amps, the LM2576TV-ADJG is the perfect choice when high current is needed in a compact package. Common applications of the LM2576TV-ADJG include portable devices, such as cell phones, digital cameras and camcorders, and medical instruments.

The LM2576TV-ADJG utilizes the same patented peak current mode control scheme as its predecessors, the LM2576 and LM2576HV. This control scheme allows for excellent transient response, especially when used with ceramic capacitors. Additionally, the controller uses programmable current limit and soft-start and accepts a wide input voltage range of 3V to 48V. The adjustable versions of the LM2576TV-ADJG feature a trim potentiometer, which allows the user to fine-tune the output voltage ranging from 1.25V to 37V.

The operating principle of the LM2576TV-ADJG is based on the oscillator, the driver, and the switch. The oscillator is a fixed-frequency oscillator which is used to control the switching frequency. The driver is an output which is used to drive the switch. The switch is a power transistor which is switched on and off according to the feedback from the control loop. The output voltage is then regulated by controlling the duty cycle of the switch.

The LM2576TV-ADJG also features thermal shutdown protection and a built-in, adjustable soft start. The thermal shutdown protection prevents the device from overheating and ensures safe operation, while the adjustable soft start eliminates inrush current and eliminates acoustic noise. Additionally, the LM2576TV-ADJG includes input/output over-voltage protection and a low-noise terminal on/off control pin.

Overall, the LM2576TV-ADJG is a great choice for DC-DC switching regulator applications. It offers high performance, adjustable output voltage, and a wide range of features, making it well suited for a variety of applications.

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