TPS75915KTTR

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The TPS75915KTTR is an adjustable linear voltage regulator from Texas Instruments and part of their Wide VIN, 1.2A Low IQ Step-Down DC/DC Converter family. It is capable of providing a regulated output voltage from 0.6V to 4.3V with a maximum output load current of 1.2 A. Unlike other members of the family, the TPS75915KTTR offers improved efficiency for lower output current application by reducing the quiescent current to a mere 20 µA at no load. The device also provides power savings by allowing the output voltage to be programmed as low as 0.6V in 100 mV steps. With the low output ripple and EMI it is ideal for supplying power to low power and battery-powered applications such as medical and consumer.

The TPS75915KTTR is designed to provide an inexpensive and easy to use solution that can reduce the complexity of the system. It has an adjustable voltage range up to 4.3V and is capable of driving up to 1.2A output current with a typical external efficiency of 95%. It offers a very low quiescent current of 20 µA for no load applications and is available in a Tiny SOT-23 package. The device features integrated thermal protection.

The TPS75915KTTR is based on a PWM control architecture with peak current mode. The device operates in three modes - bypass, constant voltage and actual current limiting. If a short circuit occurs, the TPS75915KTTR will automatically switch to a current limit mode until the fault is removed. The peak current limit mode provides an adjustable over-current protection. The load transient response is fast enough to prevent the output voltage from dropping significantly during load steps.

The TPS75915KTTR provides excellent performance when used in applications such as manufacturing boards (PCBs), gaming consoles, Blu-ray/DVD players, and portable medical products. Its specific functionality and proper design techniques make it particularly suitable for a wide range of low-power applications.

The TPS75915KTTR is a programmable and accurate voltage regulator suitable for running at high frequencies. It supports wide input voltage range including 5V, 12V, 24V and even 36V. The output voltage is adjustable from 0.6V to 4.3V in 100 mV steps. With an external resistor divider, the device can provide regulated output voltage with a maximum accuracy of ±2%.

Despite its small size, the TPS75915KTTR is capable of providing low output ripple and excellent power supply transient response. This is ensured by the usage of internal components such as a small inductor, tight tolerance ceramic capacitors, and a high switching frequency of 1.2 MHz. This allows the device to perform under harsh operating conditions without compromising its overall performance.

In conclusion, the TPS75915KTTR from Texas Instruments is an adjustable linear voltage regulator suitable for applications which require a wide range of input voltage, low power consumption, and excellent transient response. It offers an adjustable output voltage range of 0.6V to 4.3V, maximum output current of 1.2 A and a quiescent current of 20 µA at no-load. The device is available in a Tiny SOT-23 package and features integrated thermal protection. Due to its features, the TPS75915KTTR provides improved efficiency for lower output current applications and is well suited for providing power to low power and battery powered applications such as medical and consumer devices.

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