SPX29151T5-L-5-0/TR Datasheet/PDFThe SPX29151T5-L-5-0/TR device is an advanced linear voltage regulator which also features integrated output disconnect. It offers up to 35 V of input voltage, adjustable output voltage of as low as 1 V, and as high as 4.999 V.It is designed to provide low noise, fast transient response and very low quiescent current in a wide range of applications.
The SPX29151T5-L-5-0/TR is specifically designed for consumer, industrial, medical and automotive applications where output voltage accuracy and load transient response time are critical.It has a fixed quiescent current, as low as 40μA and no external compensation is required, thus making it an excellent choice for low power applications like portable devices.The linear regulator can provide up to 2 A continuous current, up to 10 A transient current, with output ripple of 0.05% for small to mid size loads. It also has adjustable soft-start and short-circuit protection features.
Application Field
The SPX29151T5-L-5-0/TR is well-suited for a variety of voltage regulation applications that require high accuracy, fast transient response, and high power delivery. It is suitable for use in mobile phone chargers, set-top boxes, automotive applications, industrial control systems, personal electronics, and medical equipment.
The device can be used for high frequency applications such as notebook PCs, smart phones, Bluetooth headsets, and other portable or wearable devices that require low noise, low quiescent current, and low voltage drop.It is also suitable for powered and non-powered automotive applications such as navigation systems, powertrain control modules, telematics systems, electronic brake controls, and infotainment systems.
In medical equipment, the SPX29151T5-L-5-0/TR can be used for controlling power delivery in patient monitoring systems, patient bed monitors, and vital sign monitors.It can also be used in industrial control systems such as industrial automation, factory process control, and data acquisition systems.
Working Principle
The SPX29151T5-L-5-0/TR is a linear voltage regulator, which operates by taking a DC input voltage and reducing it to an adjustable output voltage.The device uses a feedback circuit to compare the output voltage with the setpoint voltage and make adjustments to the output voltage accordingly.This ensures that the output voltage stays within the required range, while still providing the necessary current demanded by the load.
The SPX29151T5-L-5-0/TR has a constant quiescent current, which allows the device to provide steady output voltage even when the load current changes.It also has low dropout voltage, which means that higher current can be supplied to the load at lower input voltage.The SPX29151T5-L-5-0/TR also features an internal soft-start function which helps reduce in-rush current and prevents the output ripple voltage from exceeding the setpoint voltage while start-up.
In order to protect against fault conditions, the SPX29151T5-L-5-0/TR also has a number of protection features, such as built-in over-temperature protection, over-current protection, and short-circuit protection.This helps to ensure that the device will operate safely and reliably even in the most challenging conditions.
In summary, the SPX29151T5-L-5-0/TR is a linear voltage regulator which is specifically designed for consumer, industrial, medical and automotive applications.It offers low dropout voltage, low quiescent current, adjustable output voltage and fast transient response, which make it an ideal choice for powering portable and low power applications.Moreover, the device features a number of protection features which ensure safe and reliable operation even in challenging conditions.