Manufacturer Part Number
TPS79401DCQR
Manufacturer
Texas Instruments
Introduction
TPS79401DCQR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, providing adjustable output from a compact package.
Product Features and Performance
Adjustable output voltage from 1.2V to 5.5V
Supports input voltage up to 5.5V
Low quiescent current at 220 µA
Power Supply Rejection Ratio (PSRR): 65dB ~ 40dB across 100Hz to 100kHz
Integrated features: Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Product Advantages
High efficiency for power-sensitive applications
Flexible output voltage range suitable for various applications
Robust protection features ensure long-term reliability
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage (Min/Fixed): 1.2V
Output Voltage (Max): 5.5V
Current Output: 250mA
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
Compatibility
Surface mount compatible
Package / Case: SOT-223-6
Application Areas
Suitable for battery-powered devices, microcontrollers, and other sensitive electronic applications
Product Lifecycle
Product Status: Obsolete
No direct replacements or upgrades available
Several Key Reasons to Choose This Product
Versatile adjustable output for different needs
Compact size suitable for space-constrained applications
Built-in safety features enhance device longevity
Low quiescent current aids in energy conservation for battery-operated devices
Operational across a wide temperature range suitable for harsh environments
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