The LT1965HQ#PBF is a high-performance, low dropout linear regulator (LDO) brought to you by Linear Technology, now part of Analog Devices. This adjustable LDO is designed to provide precision voltage regulation with a low dropout voltage and fast transient response. It is suitable for a wide range of applications, including but not limited to automotive, industrial, and high-reliability systems.

Key Features

• Adjustable Output: The LT1965HQ#PBF offers an adjustable output from 1.2V to 20V, which can be set by external resistors. This feature provides flexibility for designers to use the same part in different applications requiring different output voltages.
• Low Dropout Voltage: With a low dropout voltage of typically 300mV at full load, the LT1965HQ#PBF ensures efficient operation even when the input-to-output voltage differential is small.
• High Output Current: It can deliver up to 1.1A of continuous output current, making it capable of powering a wide variety of loads.
• Fast Transient Response: The device's excellent transient response allows it to maintain output voltage stability in the face of rapid load changes, which is crucial for high-performance applications.
• Stability with Low ESR Output Capacitors: The regulator is stable with ceramic capacitors, which have lower equivalent series resistance (ESR) compared to other types of capacitors. This allows for more compact and cost-effective designs.
• Overtemperature and Overcurrent Protection: Built-in protection features safeguard the device and the load from adverse conditions.
• Thermal Performance: The LT1965HQ#PBF comes in a heat-dissipating TO-263 package, which is excellent for applications requiring enhanced thermal performance.

Applications

The versatility of the LT1965HQ#PBF makes it an ideal choice for a variety of applications, including:

• Power supplies for DSPs, FPGAs, and microcontrollers
• Battery-powered equipment
• Data communication systems
• Automotive electronics
• Industrial control systems

With its combination of features, the LT1965HQ#PBF is a robust and reliable choice for designers seeking an adjustable LDO with excellent performance characteristics.