Texas Instruments

TPS78225DDCR

The TPS78225DDCR is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and reliable voltage output for a wide range of applications.

Description:

The TPS78225DDCR is a compact, low-profile, and thermally efficient LDO regulator that operates from an input voltage range of 2.5V to 5.5V and provides a fixed output voltage of 2.5V, 2.8V, 3.0V, or 3.3V, depending on the selected model. It is available in a small DFN1006-1 package, making it suitable for space-constrained applications.

Features:

1. Low dropout voltage: The TPS78225DDCR has a low dropout voltage of 170mV at a 1A load, ensuring efficient operation even with low input voltages.
2. High PSRR: A high power supply rejection ratio (PSRR) of 70dB at 1kHz minimizes output voltage fluctuations due to input voltage variations.
3. Low quiescent current: The device consumes a low quiescent current of 55µA, which helps extend the battery life in portable applications.
4. Small package size: The DFN1006-1 package is compact and suitable for space-constrained applications.
5. Thermal protection: The TPS78225DDCR features thermal shutdown protection to safeguard against overheating.
6. Enable function: An enable/disable function allows for easy control of the regulator's operation.
7. Wide operating temperature range: The device operates over a wide temperature range of -40°C to +125°C.

Applications:

1. Portable devices: The TPS78225DDCR is ideal for use in battery-powered portable devices, such as smartphones, tablets, and wearable electronics, where efficient power management is crucial.
2. IoT devices: The low quiescent current and small package size make it suitable for Internet of Things (IoT) devices, where energy efficiency and compact form factor are essential.
3. Industrial equipment: The TPS78225DDCR can be used in industrial applications where a stable and reliable voltage supply is required, such as sensors and control systems.
4. Medical equipment: The device's low dropout voltage and high PSRR make it suitable for use in battery-powered medical equipment, where stable and precise voltage regulation is critical.
5. Automotive electronics: The TPS78225DDCR can be used in automotive applications, such as infotainment systems and sensor interfaces, where a stable power supply is necessary.

In summary, the TPS78225DDCR is a low-dropout linear voltage regulator that offers high efficiency, low quiescent current, and a compact package size. It is suitable for a wide range of applications, including portable devices, IoT devices, industrial equipment, medical equipment, and automotive electronics.