Linear Technology LTC1682CS8-3.3#PBF - Charge Pump DC-DC Converter

The LTC1682CS8-3.3#PBF is a high-efficiency, low noise, charge pump DC-DC converter manufactured by Linear Technology, now part of Analog Devices. Designed to provide a regulated output voltage of 3.3V, this device is ideal for applications that require a compact and efficient voltage source. The LTC1682CS8-3.3#PBF is perfect for battery-powered equipment, portable devices, and other space-constrained applications where extended battery life is critical.

This charge pump converter operates without the need for an inductor, using capacitors for energy storage, which makes it a solution that minimizes noise and allows for a smaller footprint on the PCB. It features a high switching frequency of up to 45kHz, which enables the use of small, low-cost capacitors while still providing low output voltage ripple.

The LTC1682CS8-3.3#PBF offers a wide input voltage range from 2.7V to 4.5V, making it versatile for various power supply configurations. This range is particularly suitable for applications powered by single-cell Li-Ion batteries or three-cell NiMH/NiCd batteries. The device's regulated output helps ensure consistent performance even as the battery voltage fluctuates during discharge.

With thermal shutdown and current limiting, the LTC1682CS8-3.3#PBF is designed to protect itself and the application from damage due to overheating and overcurrent conditions. The device comes in an 8-lead SOIC package, which is a common footprint for easy integration into a wide range of designs.

Key features of the LTC1682CS8-3.3#PBF include:

• Regulated 3.3V Output Voltage
• High Efficiency Charge Pump Operation
• Low Noise without Inductors
• Up to 45kHz Switching Frequency
• Wide Input Voltage Range: 2.7V to 4.5V
• Thermal Shutdown and Current Limiting Protection
• Compact 8-Lead SOIC Package

Overall, the LTC1682CS8-3.3#PBF from Linear Technology offers a reliable and efficient power conversion solution for designers looking to maximize performance in space-constrained and noise-sensitive electronic systems.