TPS75115QPWPG4

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The TPS75115QPWPG4 is a low-Iq, low drop out regulator (LDO) linear voltage regulator designated for the power management of wide range of industrial and consumer applications. This LDO was developed to provide better power solutions for a variety of system applications such as computer memory, cellular handsets, industrial control systems and portable electronic devices. This part is fully specified over the extended ambient temperature range of -40°C to 125°C.

The TPS75115QPWPG4 is ideal for use in a broad range of portable, power management applications. This low-profile part features an input voltage range of 2.7V to 14V, adjustable output voltage range of 0.7V to 5.5V, a low quiescent current of 7 μA, and a low dropout voltage of 300 mV. The TPS75115QPWPG4 offers a high current capability, excellent accuracy, and stability at low input voltage levels. It is available in a 6-pin WSON package, which allows PCB board space savings.

Application field

In portable and consumer electronics applications, the TPS75115QPWPG4 is ideal for powering core logic integrated circuits, memory, processors and similar voltage-sensitive systems. Due to its space-saving 6-pin WSON package and its low quiescent current, the TPS75115QPWPG4 offers a high level of power management efficiency. This low-profile LDO offers a wide input voltage range and excellent full-load accuracy.

In Industrial applications, the TPS75115QPWPG4 can be used to deliver a regulated voltage to control circuits such as heating elements, relays, and other high-voltage devices. The device is ideal for applications that require accurate control voltage in harsh conditions.

Working principle

The TPS75115QPWPG4 is a linear voltage regulator, which uses a pass transistor as a main element. It regulates an output voltage by controlling the current through a pass transistor and an internal reference voltage. The pass transistor and the reference voltage together form a feedback loop that maintains the output voltage of the device. The output voltage is regulated by adjusting the voltage at the base of the pass transistor. The regulating voltage is provided by the reference voltage in the TPS75115QPWPG4.

The TPS75115QPWPG4 has a voltage drop across its pass transistor, which is called its dropout voltage. The dropout voltage is the voltage at which the output voltage starts to drop below the reference voltage. The TPS75115QPWPG4 has an ultra-low dropout voltage of 300 mV and a quiescent current of 7 μA. This combination ensures that a stable output voltage can be maintained even at very low input voltages.

The TPS75115QPWPG4 also has a high current capability which allows it to efficiently power loads. The high current capability of the device makes it suitable for applications that require reliable power delivery even in extreme environmental conditions.

The TPS75115QPWPG4 is a highly reliable device with a wide ambient temperature range of -40°C to 125°C. This ensures that the device can operate safely even in harsh conditions. The device also features low output voltage ripple and excellent load transient response.

Overall, the TPS75115QPWPG4 is an excellent linear voltage regulator that offers high power efficiency, low quiescent current, low dropout voltage, wide input voltage range, and excellent load and line transient response. The device is suitable for a broad range of portable and power management applications.

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