Linear Technology LTC1872BES6 Step-Up DC/DC Converter

The LTC1872BES6 is a high-performance, constant-frequency, step-up DC/DC converter from Linear Technology, now part of Analog Devices. This compact and efficient power management integrated circuit is designed to provide a boost function in battery-powered applications, portable devices, and any system requiring a higher output voltage from a lower voltage source.

Key Features:

• Wide Input Voltage Range: The device operates from an input voltage range of 2.6V to 16V, making it suitable for single-cell Li-Ion batteries as well as multi-cell battery configurations and other low voltage power supplies.
• High Output Voltage: The LTC1872BES6 can produce an output voltage up to 36V, which is adjustable via an external resistor divider. This flexibility allows designers to tailor the output voltage to specific application needs.
• High Efficiency: With efficiencies up to 94%, this converter helps to maximize battery life and reduce heat, making it ideal for portable and space-constrained applications.
• No Schottky Diode Required: The LTC1872BES6 features an internal synchronous rectifier, which eliminates the need for an external Schottky diode, reducing both component count and system complexity.
• High Switching Frequency: A constant switching frequency up to 1.2MHz allows the use of small, low-cost capacitors and inductors, further minimizing the solution footprint.
• Low Shutdown Current: The quiescent current in shutdown mode is a mere 10µA, which is beneficial for battery-powered applications where conserving power is crucial.

Applications:

The LTC1872BES6 is versatile and can be used in a variety of applications, including:

• Portable Electronics
• GPS Devices
• Digital Cameras
• Medical and Healthcare Devices
• Wireless and DSL Modems
• PDAs and Smartphones

Its compact SOT-23 package makes it an ideal choice for space-constrained applications, while its robust design ensures reliable performance in the most demanding environments. With its combination of features, the LTC1872BES6 provides a compact and efficient solution for boosting power in a wide range of electronic devices.