The LT1507IS8-3.3#PBF is a monolithic step-down switching regulator brought to you by Linear Technology, a leader in the design and manufacture of high-performance analog integrated circuits. This particular model is designed to deliver a fixed output voltage of 3.3V, which is a common requirement in many digital and mixed-signal applications. The device is housed in an 8-lead SO package, offering a compact solution for space-constrained applications.

Key Features

• Output Voltage: Fixed at 3.3V, which is ideal for logic-level power supplies and other standard 3.3V applications.
• High Efficiency: Capable of converting input voltages ranging from 4.5V to 30V, this regulator maintains high efficiency, which is crucial for battery-powered and energy-sensitive devices.
• Current Mode Operation: Provides fast transient response and excellent loop stability, making it suitable for a wide range of applications.
• Low Dropout Operation: Ensures that the output voltage is maintained even when the input voltage is very close to the output voltage, maximizing battery life in portable applications.
• Thermal Protection: Built-in thermal shutdown protects the device from overheating, enhancing reliability and longevity.
• No External Schottky Diode Required: Simplifies design and reduces external component count, further saving on board space and cost.

Applications

The LT1507IS8-3.3#PBF is versatile and can be used in a variety of applications, including but not limited to:

• Portable Instruments
• Wireless Modems and Communication Devices
• GPS Devices
• 3.3V Logic Supplies
• Peripheral Power Supplies for Computers and Servers

Quality and Reliability

Linear Technology is renowned for its commitment to quality, and the LT1507IS8-3.3#PBF is no exception. It is designed to meet the stringent requirements of industrial and commercial applications, ensuring reliable performance in a wide range of environments. The part number suffix 'PBF' indicates that the device is lead-free and RoHS compliant, making it suitable for use in environmentally sensitive applications.