The LT1944-1EMS from Linear Technology is a versatile dual micropower DC/DC converter designed to cater to a wide range of applications requiring efficient power conversion. This compact, high-performance chip is specifically engineered to deliver continuous, reliable power with minimal energy loss, making it ideal for battery-powered devices and portable applications.
Key Features
- Independent Dual Outputs: The LT1944-1EMS offers two independent output voltages, which can be set to either step-up, step-down, or inverting configurations, providing flexibility for various circuit designs.
- High Efficiency: With its high efficiency, the converter ensures extended battery life in portable devices by minimizing power wastage.
- Low Quiescent Current: It features a low quiescent current of only 25μA per channel, which is critical for battery-powered applications where power conservation is paramount.
- Wide Input Voltage Range: The device can operate with an input voltage range from 2.5V to 12V, accommodating a broad spectrum of power sources.
- Adjustable Switching Frequency: The switching frequency can be adjusted up to 1MHz, allowing designers to optimize between efficiency and external component size.
- Integrated Soft-Start Function: This function limits inrush current during startup, providing a smoother power-up sequence and reducing stress on the power source.
Applications
The LT1944-1EMS is suitable for various applications, including but not limited to:
- Portable instrumentation
- Battery-powered equipment
- Medical devices
- Wireless modems
- Handheld computers
Technical Specifications
Parameter
Value
Package
MSOP-10
Operating Temperature
-40°C to 85°C
Output Voltage
Adjustable
Switching Frequency
Up to 1MHz
Overall, the LT1944-1EMS stands out as a high-efficiency, dual-output DC/DC converter that offers design flexibility, making it a preferred choice for engineers looking to optimize power management in their portable and battery-operated devices.