The LT1965EQ#PBF from Linear Technology is a high-performance low dropout linear regulator (LDO) that offers excellent noise and regulation characteristics. It is designed to provide a stable and reliable power supply for sensitive electronic circuits, where a stable voltage is crucial for optimal performance.

Key Features

• Output Voltage Range: The LT1965EQ#PBF can deliver a variable output voltage from 1.2V to 20V, which can be set by an external resistor divider, providing flexibility for various applications.
• Low Dropout Voltage: With a low dropout voltage of only 300mV at full load, it ensures efficient operation even when the input voltage is close to the output voltage.
• High Output Current: This regulator can provide up to 1.1A of continuous output current, making it suitable for powering a wide range of devices.
• Low Noise: It features a low noise output, with only 40µVRMS across a 10Hz to 100kHz bandwidth, which is ideal for noise-sensitive applications such as precision instrumentation and RF circuits.
• Stable with Low ESR Capacitors: The LT1965EQ#PBF remains stable with ceramic, tantalum, or aluminum electrolytic capacitors, ensuring flexibility in the choice of output capacitors.

Thermal and Safety Features

• Thermal Protection: The device includes internal thermal shutdown protection to safeguard against overheating.
• Current Limiting: Built-in current limiting protects the device and the load from fault conditions.
• Reverse Battery Protection: The LT1965EQ#PBF can withstand a reverse battery connection without damage.

Applications

The LT1965EQ#PBF is versatile and can be used in a variety of applications, including but not limited to:

• Portable and battery-powered devices
• Microprocessor and logic supply
• Power supplies for sensitive RF and audio circuits
• Automotive power supplies
• Post-regulator for switching supplies

Package and Quality

The LT1965EQ#PBF is available in a 5-lead DD-Pak package, which is designed for optimal power dissipation and space efficiency. Linear Technology ensures high-quality standards for reliability and performance of their products.