LTC3127EMSE - High Efficiency Synchronous Step-Up DC/DC Converter

The LTC3127EMSE from Linear Technology is a high-performance, synchronous step-up DC/DC converter that is designed to provide a continuous output current of up to 2A with a 2.2V to 15V input voltage range. This advanced power management IC is ideal for applications requiring a compact, high efficiency power solution that can deliver a regulated output voltage up to 15V from a single-cell Li-Ion or multiple alkaline/NiMH cells.

With its internal 2A switches, the LTC3127EMSE can achieve up to 95% conversion efficiency, making it an excellent choice for portable devices, wireless sensors, and other battery-powered applications where maximizing battery life is critical. The device operates in Burst Mode® operation, which reduces quiescent current to only 1.3µA, further extending battery runtime in light load conditions.

The LTC3127EMSE features selectable fixed output voltages of 3.3V, 5V, 12V, or an adjustable output voltage range from 2.5V to 15V, providing flexibility for various design requirements. Additionally, the converter integrates soft-start capability to limit inrush current during startup and has a programmable under-voltage lockout for optimal control over the input voltage range.

Safety and reliability are addressed with features such as over-temperature protection, short-circuit protection, and overvoltage protection. These protective measures ensure stable operation under abnormal conditions and safeguard the converter and the load from potential damage.

The LTC3127EMSE comes in a compact, thermally enhanced 16-lead MSOP package, making it suitable for space-constrained applications. Its robust design and comprehensive feature set make it an ideal choice for designers looking for a versatile and efficient power conversion solution.

Key features of the LTC3127EMSE include:

• Wide input voltage range: 2.2V to 15V
• Adjustable output voltage: 2.5V to 15V or fixed output options
• High efficiency: Up to 95%
• Low quiescent current: 1.3µA in Burst Mode® operation
• Continuous output current: Up to 2A
• Integrated safety features: Over-temperature, short-circuit, and overvoltage protection
• Compact package: 16-lead MSOP with thermal enhancements

Whether for handheld devices, medical equipment, or industrial applications, the LTC3127EMSE from Linear Technology is engineered to meet the demands of a wide range of power supply designs.