TS78L15CT A3G

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TS78L15CT A3G is an adjustable voltage regulator from Toshiba Semiconductor and Storage providing a precision control of output voltage at up to 15V and up to 1A. It belongs to the PMIC (Power Management IC) category of voltage regulators, also known as linear voltage regulators. The TS78L15CT A3G is suitable for applications such as stereo receivers and operational amplifiers.

The key features of TS78L15CT A3G voltage regulator include its built-in protection functions that ensure secure operation by limiting the maximum output voltage, output current, power dissipation, and temperature rise. Additionally, this device features a low quiescent current that provides high efficiency; minimal temperature-dependence of the output voltage regulates the accuracy of the output voltage, and a shut down pin that allows the user to disable the output voltage when not in use.

The 18-lead DIP package of this voltage regulator provides maximum utilization of board space in applications. The on-chip thermal shutdown circuit prevents the device from entering an abnormal operation state due to an abnormally high temperature rise.

TS78L15CT A3G voltage regulator operates over a wide input voltage range of 4.5V to 18V, while the output voltage is provided with a high degree of accuracy with external resistors. The output voltage can be externally adjusted between the minimum and maximum range of 1.2V to 15V, respectively. Using the on-board current limiting, the output current can be accurately tested.

This voltage regulator incorporates an operational amplifier and error amplifier on board that is used to compare the output voltage against an external voltage reference. Through pulse-width-modulation (PWM) control and an on-board error amplifier, the output is finely adjusted until it matches the external reference. This device also has a low voltage dropout (LDO) feature that reduces power dissipation when the input voltage is close to the output voltage.

The TS78L15CT A3G voltage regulator requires only a few small external components such as input and output capacitors to ensure accurate output and stability. The capacitor values depend on the required output current, switching frequency, and the load capacitance. The capacitors used should have a ripple factor that is appropriate for the input voltage and output voltage. The output capacitor should be connected directly to the regulator’s output. The stability of the output voltage is not only dependent on the accuracy of the external reference voltage but also the type of load connected to the regulator’s output.

In addition to its low quiescent current and low standby current, the TS78L15CT A3G voltage regulator integrates a power Schottky diode, which reduces the time lost when switching from the input to the output. This diode also eliminates any risk of transients and eliminates the need for additional external diodes. By utilizing the low-dropout technology, the voltage regulator provides a high efficiency, ensuring heat dissipation is minimal.

The TS78L15CT A3G voltage regulator from Toshiba Semiconductor and Storage is widely used in various end-applications such as cell phones, remote control toys, audio amplifiers, and power supply designs. This device features high accuracy output, low power consumption, and low voltage dropout, and is ideal for a wide range of applications.

This voltage regulator takes in an input voltage and precisely adjusts the same to the desired output voltage. This regulator provides temperature compensation to adjust the output voltage with changes in temperature. It also provides protection against overvoltage, overcurrent and overtemperature, ensuring reliable operation. The TS78L15CT A3G voltage regulator offers low-power consumption, high-accuracy, and low-noise performance making it ideal for precision applications, such as operational amplifiers and stereo receivers.

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