Product Overview: LT3028IFE#PBF

The LT3028IFE#PBF is a high-performance, low-noise, dual low dropout linear regulator (LDO) designed and manufactured by Linear Technology. This advanced power management component is well-suited for applications that demand clean, stable, and reliable power supplies. With its dual independent LDOs, the LT3028IFE#PBF offers designers the flexibility to power two separate circuits with different output voltage requirements, while maintaining exceptional power regulation and noise performance.

Key Features

• Wide Input Voltage Range: The device can operate with an input voltage range from 1.8V to 20V, making it versatile for various applications.
• Dual Independent Outputs: Each LDO can supply up to 150mA of output current, with the ability to set the output voltage from 1.22V to 20V via external resistors.
• Low Noise: The LT3028IFE#PBF boasts an exceptionally low output noise of only 20µVRMS across a 10Hz to 100kHz bandwidth, making it ideal for sensitive RF and precision analog circuits.
• Low Dropout Voltage: It has a low dropout voltage of only 300mV at full load, which enhances efficiency and allows operation with minimal input-to-output differential.
• High PSRR: With a high power supply rejection ratio (PSRR) of up to 60dB at 1kHz, the device ensures stable output voltage despite variations in input voltage.
• Thermal Protection: The LT3028IFE#PBF includes internal thermal shutdown protection to safeguard the device under high-temperature conditions.
• Stable with Low ESR Capacitors: It remains stable with ceramic, tantalum, or aluminum electrolytic capacitors, providing flexibility in choosing output capacitors.

Applications

The LT3028IFE#PBF is suitable for a wide array of applications, including but not limited to:

• Portable and battery-powered equipment
• Medical devices
• Telecommunications
• Instrumentation
• Automotive electronics

Quality and Reliability

Encased in a 16-lead TSSOP package with an exposed pad for enhanced thermal performance, the LT3028IFE#PBF is designed to meet the stringent requirements of industrial and automotive environments. Its robust design ensures long-term reliability for critical applications where consistent performance is paramount.

With its combination of dual outputs, low noise, and high PSRR, the LT3028IFE#PBF from Linear Technology is an excellent choice for designers looking to enhance the performance and reliability of their power supply circuits.