Linear Technology LTC3252EDE Step-Down Charge Pump
The LTC3252EDE is a high-performance step-down charge pump designed by Linear Technology, which is now part of Analog Devices. This versatile component is engineered to provide a low noise, dual output voltage from a single input. It operates without the need for inductors, providing a compact and noise-sensitive solution for a variety of applications.
Key Features:
- Wide Input Voltage Range: The device can handle an input voltage range from 2.7V to 5.5V, making it suitable for a variety of power sources including single-cell lithium-ion batteries.
- Dual Output Voltages: It offers two regulated outputs that can be set to fixed voltages of 3.3V and 5V or adjusted from 2.4V to 5V, providing flexibility for different circuit requirements.
- High Efficiency: The LTC3252EDE is capable of delivering efficiency as high as 94%, ensuring minimal power loss during the voltage conversion process.
- Compact Package: Housed in a 14-lead DFN package (4mm x 3mm), the LTC3252EDE is designed for space-constrained applications.
- Low Noise Operation: The charge pump technology minimizes EMI and ripple, making it ideal for noise-sensitive applications such as RF or precision analog circuits.
- Thermal Protection: It includes over-temperature protection, safeguarding the device from damage due to excessive heat.
Applications:
The LTC3252EDE is suited for a wide range of applications, particularly where space and noise are critical considerations. It is commonly used in:
- Portable Instruments
- Wireless Modems
- Handheld Devices
- Medical Devices
- Industrial Controls
Summary:
With its high efficiency, low noise operation, and dual output capabilities, the LTC3252EDE from Linear Technology is an excellent choice for designers looking to optimize their power management solutions while reducing space and complexity. Its robust feature set ensures reliable performance in a range of electronic products.
