The LT1965EDD-3.3#TRPBF is a high-performance low dropout linear regulator (LDO) from Analog Devices Inc., designed to deliver a fixed output of 3.3 volts. This regulator features a wide input voltage range and is capable of supplying up to 1.1A of output current with a typical dropout voltage of just 340mV. Its small footprint and high efficiency make it an ideal choice for a variety of applications, including portable devices, microprocessor power supplies, and industrial equipment.

Key Features

• Fixed Output Voltage: 3.3V
• Maximum Output Current: 1.1A
• Low Dropout Voltage: Typically 340mV at full load
• Wide Input Voltage Range
• Low Noise: 40µVRMS (10Hz to 100kHz)
• Fast Transient Response
• Stable with Low ESR, Ceramic Output Capacitors (10µF minimum)
• Overcurrent and Overtemperature Protection
• No Protection Diodes Needed
• Adjustable and Fixed Low Noise Reference
• Thermal Shutdown

Applications

• Portable Electronics
• Microprocessor Power Supplies
• Power Management for DSPs and FPGAs
• Industrial Equipment
• Peripheral Power Supplies

The LT1965EDD-3.3#TRPBF is available in a small, thermally efficient DFN package, which allows for optimal power dissipation and space-saving on the PCB. Its robust design includes features such as overcurrent protection, which safeguards the device and the load from damage due to excessive currents, and thermal shutdown to prevent overheating.

With its excellent line and load regulation, the LT1965EDD-3.3#TRPBF maintains a consistent output voltage even with variations in input voltage and output load. This stability, combined with its low noise output, makes it particularly suitable for sensitive RF and audio applications where power integrity is crucial.

For design flexibility, the LT1965 series offers both adjustable and fixed output versions, allowing for a wide range of applications. The LT1965EDD-3.3#TRPBF with its fixed 3.3V output is ready to use in designs without the need for additional external resistors to set the output voltage, simplifying the design process and reducing component count.