Texas Instruments

TPS78225DDCR  

Linear & Switching Voltage Regulators

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.

TPS78225DDCR Documents

Download datasheets and manufacturer documentation for TPS78225DDCR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Qualification of CARZ, HNT and ASESH as Additional Assembly and Test Site for Select Devices (PDF)       Product Change Notification (PDF)      

Models :

TPS78225DDCR Symbol & Footprint by SnapMagic      

Product Catalogs :

Low Dropout Regulators Quick Reference Guide (Rev. P)       LDO Solutions Selection Wheel (Rev. F)      

Application Notes :

No Tradeoffs: Linear Power Supplies for Ultra-Low Power and Dynamic Performance      

SPICE Models :

TPS78222 PSpice Transient Model (Rev. A)       TPS78230 Unencrypted PSpice Transient Model       TPS78223 PSpice Transient Model       TPS78233 Unencrypted PSpice Transient Model       TPS78236 Unencrypted PSpice Transient Model       TPS78225 PSpice Transient Model       TPS78218 PSpice Transient Model (Rev. A)       TPS78227 PSpice Transient Model       TPS78230 PSpice Transient Model (Rev. A)       TPS78228 PSpice Transient Model       TPS78222 Unencrypted PSpice Transient Model       TPS78223 Unencrypted PSpice Transient Model       TPS78225 Unencrypted PSpice Transient Model       TPS78218 Unencrypted PSpice Transient Model       TPS78236 PSpice Transient Model (Rev. A)       TPS78233 PSpice Transient Model       TPS78227 Unencrypted PSpice Transient Model       TPS78228 Unencrypted PSpice Transient Model