LM5009SDC/NOPB

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LM5009SDC/NOPB is a high performance Step-Down Constant Frequency Current Mode Switching Regulator that provides 24V, 1A output power in a low-profile 8-lead SON package. It provides an ultra-fast and low sound mid-power solution for power-sensitive high power loads with an embedded microcontroller.

The LM5009SDC/NOPBs offer a few different modes of operations, including a buck mode, boost mode, and a combination buck/boost mode. In a buck (step-down) mode, the device can provide an output voltage in a range of 0.85 V to 12.5 V while in a boost (step-up) mode the voltage may range from 0.8 V to 20 V. The combination mode allows the device to provide an adjustable output voltage ranging from 0.65V to 16.5V.

The working principle of the LM5009SDC/NOPB is based on the switching regulator known as a buck converter. This type of DC–DC regulator operates by reducing the input voltage with the help of a switch that interrupts the power connected to the load at certain intervals. During each interval, a certain amount of energy is transferred from the input voltage to the load. The duty cycle of the converter is adjusted such that it can control the output voltage. The duty cycle is adjusted by a feedback signal from the output voltage of the regulator.

The LM5009SDC/NOPBis a particularly useful for applications that require an isolated output, such as LED drivers and isolated power supplies. It can also be used in a wide range of applications such as industrial and consumer machines, appliances and automotive electronics. Additionally, the LM5009SDC/NOPB can be used in applications that require relatively higher power levels as it provides a maximum output current of up to 1A.

The LM5009SDC/NOPB has several features that make it a suitable solution for many applications. It has an adjustable voltage accuracy range of 0.50V to 16.5 V, low dropout voltage, wide input voltage range from 4 V to 16 V, ultrafast transient response, and excellent line and load regulation. In addition, it has an internal softstart feature that allows for automatic output tracking with no external component requirement and an additional low dropout regulator (LDO) that is designed to provide higher voltage accuracy and protection from over-current conditions.

The LM5009SDC/NOPB also features an integrated power GOOD5 output that indicates whether the output voltage is stable. This signal can either be used for system monitoring or for providing an input signal for a controller that can be used to shut off the load in case of an over-voltage condition. It also incorporates under-voltage lockout circuit (UVLO) and thermal shutdown protection (TSD).

In summary, the LM5009SDC/NOPB is an excellent choice for a variety of applications. It has a wide input voltage range, low dropout voltage, and excellent line and load regulation. It also has integrated protections, power GOOD5 indicator, and an adjustable voltage accuracy that makes it a suitable solution for a broad range of applications.

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