The LTC1701BES5 from Linear Technology is a high-efficiency, monolithic synchronous buck regulator using a constant frequency, current mode architecture. This compact and versatile power management solution is designed for portable and space-constrained applications, delivering up to 300mA of continuous output current from a 2.65V to 5.5V input range. Its small form factor and high level of integration make it an ideal choice for modern electronic devices.

Key Features

• High Efficiency: Capable of converting power with up to 96% efficiency, the LTC1701BES5 ensures minimal heat generation and maximizes battery life in portable applications.
• Adjustable Output Voltage: The output voltage can be set from 0.6V to V_IN with an external voltage divider, providing flexibility for different voltage requirements.
• Low Dropout Operation: The regulator's low dropout operation is ideal for applications where the input voltage is close to the output voltage, further extending battery life.
• Internal Synchronous Rectifier: The inclusion of an internal synchronous rectifier eliminates the need for an external Schottky diode, reducing external component count and system complexity.
• Stable with Ceramic Capacitors: The LTC1701BES5 is stable with ceramic output capacitors, which are smaller, more reliable, and have lower equivalent series resistance (ESR) than other types of capacitors.
• No Schottky Diode Required: The LTC1701BES5's internal switches eliminate the need for an external Schottky diode, simplifying design and saving space.

Applications

The LTC1701BES5's small package and high feature integration make it perfect for a variety of applications, including:

• Portable Instruments
• Battery-Powered Equipment
• Handheld Devices
• Wireless Modems
• PDAs and Smartphones

Package and Availability

The LTC1701BES5 is available in a compact SOT-23 package, which is suitable for automated assembly processes and fits into tight PCB layouts. Check with Linear Technology or authorized distributors for pricing and availability.