Manufacturer Part Number
LP2989AILD-3.3
Manufacturer
Texas Instruments
Introduction
The LP2989AILD-3.3 is a linear, low drop-out voltage regulator designed for power-sensitive applications, providing a steady 3.3V output from inputs up to 16V.
Product Features and Performance
Fixed 3.3V output with high accuracy
Low dropout voltage: 0.65V @ 500mA load
Output current capability of 500mA suitable for a wide range of applications
Quiescent current of 175 µA, increasing power efficiency
Excellent PSRR of 60dB at 1kHz, ensuring stable output
Enable feature for power-saving mode
Over Current, Over Temperature, and Short Circuit protection for enhanced safety and reliability
Product Advantages
High-efficiency operation reduces power consumption
Low dropout enhances performance in low input voltage situations
Built-in protection features extend product life
Minimal quiescent current is ideal for battery-powered applications
Key Technical Parameters
Voltage Input (Max): 16V
Voltage Output (Min/Fixed): 3.3V
Voltage Dropout (Max): 0.65V @ 500mA
Current Output: 500mA
Current Quiescent (Iq): 175 µA
Current Supply (Max): 9mA
PSRR: 60dB (1kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Integrated Over Current, Over Temperature, and Short Circuit protection
Compatibility
Surface Mount compatible with 8-WDFN Exposed Pad and 8-WSON (4x4) package for flexible PCB design
Application Areas
Mobile Phones
Portable Electronics
Battery-Powered Devices
Peripheral Devices
Product Lifecycle
Status: Obsolete
Not recommended for new designs, with potential for replacements or upgrades within Texas Instruments' portfolio
Several Key Reasons to Choose This Product
High-efficiency and low quiescent current make it ideal for battery-operated devices
Robust built-in protection features ensure long-term reliability
Broad compatibility with various surface mount technologies facilitates easy integration
Obsolescence status necessitates consideration for end-of-life management or identifying newer alternatives
LP2989AILD-5.0/NOPB