The SC1112ATS.TR is a synchronous step-down (buck) regulator IC manufactured by Semtech. It is designed for high-efficiency power conversion, typically used in portable devices and other battery-powered applications. The device offers features like integrated power MOSFETs, adjustable output voltage, and comprehensive protection features.

Applications

• Portable Electronics: Powering smartphones, tablets, and other handheld devices.
• Battery-Powered Systems: Ideal for applications requiring efficient power conversion from a battery source.
• Point-of-Load Regulation: Provides a stable and regulated voltage source for specific components within a system.
• Embedded Systems: Used in embedded systems for efficient power management.

Features

• High Efficiency: Achieves high efficiency through synchronous rectification, minimizing power loss.
• Integrated Power MOSFETs: Simplifies design and reduces component count by integrating the power MOSFETs.
• Adjustable Output Voltage: Allows customization of the output voltage via external resistors.
• Over-Current Protection (OCP): Protects the device and load from excessive current draw.
• Short-Circuit Protection (SCP): Prevents damage from short circuits on the output.
• Thermal Shutdown: Shuts down the device when the junction temperature exceeds a safe limit.
• Enable/Disable Control: Allows for external control of the device's on/off state.
• Small Package: Available in a compact surface-mount package for space-constrained applications.

Benefits

• Extended Battery Life: High efficiency maximizes battery runtime in portable devices.
• Simplified Design: Integrated MOSFETs and minimal external components reduce design complexity.
• Improved System Reliability: Comprehensive protection features enhance system robustness.
• Precise Voltage Regulation: Ensures stable and accurate output voltage for optimal performance.
• Reduced Board Space: Compact package allows for smaller and more densely packed designs.

Additional Details

The SC1112ATS.TR operates with a wide input voltage range, suitable for various power sources. The switching frequency is optimized for efficiency and low EMI. The device is typically packaged in a thermally enhanced package to facilitate heat dissipation. Consult the datasheet for detailed electrical characteristics, application circuits, and layout recommendations. The part is RoHS compliant.