The LP3997MMX-3.3/NOPB is a low-dropout (LDO) linear voltage regulator designed and manufactured by Texas Instruments. This regulator is capable of delivering a fixed output voltage of 3.3V with an output current up to 150mA. The device is optimized for high performance and low noise operations, making it suitable for sensitive RF and analog circuitry.

Key Features

• Output Voltage: Fixed 3.3V with excellent load and line regulation.
• Output Current: Capable of delivering up to 150mA.
• Low Dropout: Maintains regulation with minimal difference between the input and output voltages.
• Low Noise: Designed for applications that require low output noise.
• High Accuracy: Output voltage accuracy of ±1% over the full temperature range.
• Thermal Protection: Built-in thermal shutdown protection safeguards the device from overheating.
• Power Supply Rejection Ratio (PSRR): High PSRR minimizes the effect of supply voltage variations on the output voltage.
• Stable with Low ESR Capacitors: Stable with ceramic capacitors as low as 1μF, providing more flexibility in design.
• Green Product: The NOPB designation indicates it is a lead-free (RoHS compliant) component.

Applications

The LP3997MMX-3.3/NOPB is ideal for a variety of applications that require a stable and clean power supply. These include:

• RF Circuits
• Portable and Battery-powered Equipment
• Analog and Digital Sensor Systems
• Microcontroller Power Supply
• Consumer Electronics
• Medical Devices

Package and Quality

The device is available in a small 8-pin VSSOP package, making it suitable for space-constrained applications. Texas Instruments ensures high-quality standards, and the LP3997MMX-3.3/NOPB is no exception, providing reliable performance for critical system requirements.