LM78L05IBPX

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Application Field And Working Principle Of LM78L05IBPX

LM78L05IBPX is a Positive Voltage Regulator manufactured by Texas Instruments, belonging to their linear Voltage Regulator product line. It is a 5 V output voltage device, with a typical dropout voltage of 1.0 V. This Lower Dropout Regulator (LDO) is particularly suited for on-card/mother-board applications that require a regulated voltage source

The LM78L05IBPX is a through-hole package that contains a zener reference. It provides current limiting, output transistor safe area protection, and a thermal shutdown feature, making this voltage regulator well-suited for critical applications with harsh environmental conditions. It has a low input voltage of at least 2.25 V and a maximum of 30 V. It has a highly stable output voltage tolerance of ±2.5%, making the device ideal for applications that require precision voltage regulation. The thermal shutdown feature is latched and will remain so until the device is reset, making the device well-suited for monitoring and testing equipment.

The LM78L05IBPX operates in two distinct modes: linear and cutoff. In linear mode, the device\'s internal circuitry will precisely control an output voltage depending on current load conditions. This mode is enabled when the input voltage is higher than the output voltage. In cutoff mode, the device is inactive and no power is provided to the load. This mode is enabled when the input voltage is lower than the output voltage.

The LM78L05IBPX is also equipped with an enable pin that allows the output voltage to be quickly enabled and disabled in certain applications. This input pin can be configured as either as active high (Vin+ > Vout) or active low (Vin+ < Vout). The enable function is useful for monitoring and testing applications where the output needs to be switched off quickly and easily. The LM78L05IBPX is also protected from short-circuits from the output pin to ground or the input pin to ground. In the event of a short circuit, the device will shut down and the output will remain low until an overvoltage condition is detected, which will then result in the device resetting itself and resuming normal operation.

The LM78L05IBPX is a robust and reliable solution for many applications where a regulated voltage source is required. It has a wide temperature range of -40 to 85°C, making the device well-suited for both commercial and industrial applications. A wide supply current range of 1.2 mA to 25 mA makes it versatile and can be used in many portable electronic applications. In summary, the LM78L05IBPX is a highly efficient and cost effective voltage regulator, suitable for a variety of situations that require a regulation of the current or voltage.

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