LM2735XMF/NOPB

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The LM2735XMF/NOPB is a very versatile switch mode voltage regulator from Texas Instruments. It has a wide range of applications from providing regulated outputs from unregulated inputs in digital devices, to providing voltage conversion in automotive systems. This IC combines high efficiency, wide input voltage range, and excellent line and load transient response. It is well-suited for use in devices that are interfaced with multiple power sources, such as USB wall supplies and car adapters.

The LM2735XMF/NOPB is a DC-DC switching regulator with an integrated high-side switch, an adjustable current limit, and an adjustable frequency. The regulator has a wide input voltage range, from 4.5V to 42V, and a wide output voltage range, from 0.7V to 36V. It is a synchronous rectifier with a constant frequency architecture and a PWM control architecture. The regulator also features low power dissipation, a low dropout voltage, and excellent line and load transient performance.

The LM2735XMF/NOPB regulator is ideal for use in applications where low dropout voltage, high efficiency and low supply current are desired. It can be used for automotive applications such as power management systems, motor control, and battery monitoring. It is also suitable for use in digital signal processors (DSPs) for supplying core power, as well as for providing step-down conversion in peripheral processors.

The internal circuitry of the LM2735XMF/NOPB consists of a low-side MOSFET switch, an adjustable current limit and a PWM control loop. The PWM control loop consists of an error amplifier, a voltage reference, and clock frequency synthesizer components. The LM2735XMF/NOPB operates as a buck regulator, sourcing current from the input and providing a regulated output voltage by switching the MOSFET switch at a constant frequency. The internal error amplifier senses the output voltage and adjusts the duty cycle of the output MOSFET switch to maintain the desired output voltage. The current limit is adjustable from 0.25A to 1A and is used to protect the output MOSFET switch from damage due to over-current conditions.

The LM2735XMF/NOPB is a versatile and efficient regulator designed to meet a wide range of applications. It is well-suited for use in automotive and digital device applications requiring low power operation, wide input voltage range, low dropout voltage and excellent line and load transient response. The internal error amplifier and current limit ensure consistent and reliable operation of the regulator.

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