LM5025DMTCX/NOPB

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LM5025DMTCX/NOPB is a fixed frequency current mode Pulse Width Modulator (PWM) which can operate in both buck (step-down) and boost (step-up) configurations, provides an ideal solution for off-line or DC to DC converter applications. The LM5025DMTCX/NOPP is designed to get power from the input voltage and provides a regulated output voltage. It can be used to regulate the output voltage in applications such as PCs, consumer appliances, motor control and LED lighting.

The operating principle of the LM5025DMTCX/NOPB is based on a fixed-frequency current mode pulse width modulator (PWM) internal circuit. This controller has a very simple architecture and consists of two main units - the power stage and the control stage. The power stage consists of an external power MOSFET and the internal oscillator.The control section includes error amplifiers, PWM comparators, internal voltage references, an external clock source and an internal oscillator. The output voltage is set by an internal voltage reference, which is compared with a feedback signal from an external resistor network.

The major advantages of the LM5025DMTCX/NOPB is the high efficiency, the ultra-low standby power and the high-low EMI performance. It features a wide input voltage range from 2.7V to 28V and a wide output voltage range from 0.8V to 24V. It is capable of supplying up to 2A continuous current and up to 4A peak current. The LM5025DMTCX/NOPB has an adjustable current limit and over-tolerance protection. It is suitable for applications requiring fast transient response and low output voltage ripple.

The LM5025DMTCX/NOPB is suitable for a variety of voltage regulator and DC to DC converter applications such as DC/DC converters, voltage regulators, portable devices, laptop adapters, power management systems and more. It is also well suited for low-power applications such as telecommunication systems and medical equipment. The LM5025DMTCX/NOPB is available in 16-SOIC, PDSO16 and exposed pad packages and is qualified for the industrial temperature range of -40°C to +85°C.

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