Manufacturer Part Number
TPS79518DCQR
Manufacturer
Texas Instruments
Introduction
The TPS79518DCQR is a low-dropout regulator designed for power-sensitive applications.
Product Features and Performance
Low dropout voltage
500mA output current
385 µA quiescent current
Power Supply Rejection Ratio (PSRR) 59dB ~ 39dB from 100Hz to 100kHz
Fixed 1.8V output voltage from input up to 5.5V
Enable feature for power management
Product Advantages
High current efficiency
Stable output with low quiescent current
Excellent noise rejection across a wide range of frequencies
Enables extended battery life for portable devices due to low Iq
Key Technical Parameters
Positive output configuration
Fixed output type
Operates with a single regulator
Maximum 5.5V input voltage
Fixed output voltage of 1.8V
Current output of 500mA
Current quiescent (Iq) of 385 µA
Surface mount SOT-223-6 package
Quality and Safety Features
Over Current protection
Over Temperature protection
Reverse Polarity protection
Under Voltage Lockout (UVLO)
Compatibility
Compatible with other surface mount devices in SOT-223-6 package
Application Areas
Ideal for battery-powered devices
Suitable for microprocessors and DSP core supplies
Used in power-sensitive applications such as handheld devices
Product Lifecycle
Active product status
No indication of discontinuation with replacement or upgrade availability
Several Key Reasons to Choose This Product
Optimized for portable and battery-powered applications
Low dropout feature is ideal for applications with low input voltage headroom
Built-in protection features ensure reliable operation and device safety
Enable pin allows for easy power management and system integration
Excellent PSRR and low quiescent current contribute to a low noise power supply
Wide operating temperature range suitable for industrial applications