Manufacturer Part Number
TPS79425DCQ
Manufacturer
Texas Instruments
Introduction
The TPS79425DCQ is a high-performance, low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, providing a fixed 2.5V output from input voltages up to 5.5V.
Product Features and Performance
Fixed 2.5V output voltage
Low dropout voltage enhances efficiency
Low quiescent current (220µA) for power saving
PSRR: 65dB to 40dB over 100Hz to 100kHz frequency range ensures stable output
Output current capability of 250mA to support a wide range of applications
Integrated protection features: Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Product Advantages
High efficiency and low dropout voltage improve battery life
Stable output with high PSRR across a wide frequency range
Low quiescent current optimizes power usage
Robust protection features enhance system reliability
Wide operating temperature range (-40°C to 125°C)
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 2.5V
Current Output: 250mA
Current Quiescent (Iq): 220 µA
PSRR: 65dB ~ 40dB (100Hz ~ 100kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
Compatibility
Optimized for use in battery-powered devices and low-power applications.
Application Areas
Portable and handheld electronics
Wireless communication equipment
Battery-powered devices
Medical devices
Power-sensitive applications requiring a stable power supply
Product Lifecycle
Last Time Buy - The TPS79425DCQ is nearing discontinuation, with potential availability of replacements or upgrades from Texas Instruments.
Several Key Reasons to Choose This Product
High reliability and performance ensured by robust protection features and stable output voltage
Low quiescent current and dropout voltage extend battery life in portable applications
Supports a wide range of input voltages, making it versatile for various applications
High PSRR ensures noise-free operation, crucial for sensitive applications
Operates across a wide temperature range, suitable for harsh environments
TPS79428DCQG4Texas InstrumentsIC REG LIN 2.8V 250MA SOT223-6