Manufacturer Part Number
TPS78228DDCT
Manufacturer
Texas Instruments
Introduction
The TPS78228DDCT is a low-dropout linear regulator designed for power-sensitive applications, providing a fixed output voltage of 2.8V.
Product Features and Performance
Fixed 2.8V output voltage
High PSRR of 40dB at low frequencies
Low dropout voltage of 0.25V at 150mA load
Low quiescent current of 1.3 µA
Maximum output current of 150mA
Enable pin for on/off control
Product Advantages
High power supply rejection ratio maintains stable output
Low quiescent current extends battery life in portable devices
Low dropout voltage allows operation closer to the battery's end-of-life
Overcurrent and overtemperature protection enhance safety
Reverse polarity protection prevents damage from incorrect power connections
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage (Min/Fixed): 2.8V
Dropout Voltage (Max): 0.25V @ 150mA
Output Current: 150mA
Quiescent Current (Iq): 1.3 µA
Supply Current (Max): 8 µA
PSRR: 40dB ~ 15dB (10Hz ~ 1kHz)
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Reverse polarity protection
Compatibility
Compatible with surface mount technology
Mountable on SOT-23-5 Thin, TSOT-23-5 footprint
Application Areas
Portable electronics
Battery-powered devices
Wireless communication equipment
Medical devices
Product Lifecycle
The product status is active
Not indicated as nearing discontinuation
Replacements or upgrades not specified
Several Key Reasons to Choose This Product
Highly stable output for sensitive electronic applications
Energy-efficient operation suitable for battery-powered devices
Robust safety features to protect against common electrical faults
Small package size ideal for compact electronic assemblies
Active product status ensures ongoing availability and support from Texas Instruments
TPS78230DRVTexas Instruments