LM2594N-12

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The LM2594N-12 is a DC-DC switching regulator IC manufactured by National Semiconductor, designed for use in a wide variety of applications. It is capable of delivering up to 12 volts, making it an ideal choice for power management circuits. The LM2594N-12 is a monolithic integrated circuit designed for use in applications that require up to 12 volts of output voltage. It offers a wide range of operating options, including adjustable output voltage, over-current protection and over-temperature protection.

The LM2594N-12 is a versatile, high-performance switching regulator capable of regulating the output voltage with outstanding line and load regulation. It contains a pair of PMOS FETs, allowing it to operate in both current-mode (MCM) and voltage-mode (VMCM) control, enabling the design of switching regulators with simple, fast and highly efficient performance. The operating frequency is determined by the external components and can range from 100kHz to 500kHz.

The LM2594N-12 integrates a host of features and capabilities that make it an ideal choice for a wide range of power management applications. It features an adjustable output voltage, allowing the designer to set the desired output voltage from 1.2V to 12V. It also provides manual or auto shutdown, allowing the circuit to turn off in the event of an overload or short-circuit. Additionally, it provides protection against overflights, under-voltage and thermal shutdown.

The LM2594N-12 has a wide input operating range, making it an ideal choice for applications that rely on power from a variety of sources. It is capable of accepting input voltages from 3V to 40V, making it ideal for use in medical, automotive and industrial applications. The input and output are opto-insulated, eliminating any potential ground loops and providing protection against interference and transient voltages.

The LM2594N-12 is also designed to provide efficiency in excess of 90%, making it an efficient and cost-effective choice for power management applications. Its switching frequency can be adjusted using external components, allowing the designer to optimize efficiency and reduce switching noise. It also features a slew rate of 8.6V/us, making it capable of providing fast transient response.

In summary, the LM2594N-12 is a versatile, highly efficient, and cost-effective DC-DC switching regulator IC ideal for use in a wide range of power management applications. It offers adjustable output voltage, a wide input operating range, over-current protection, wide operating frequency range, opto-insulated input and output and excellent transient response. Thanks to its low cost and high efficiency, the LM2594N-12 is an ideal choice for many designs.

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