The S-1135D28-M5T1S is a positive voltage regulator IC manufactured by ABLIC U.S.A. Inc. This regulator is designed to provide a fixed 2.8V output voltage and is well-suited for various applications that require a stable voltage source. Its low current consumption, small package size, and built-in protection features make it an ideal choice for battery-powered and space-constrained applications.

Applications

• Powering microcontrollers and logic circuits requiring 2.8V: Ensures stable operation of the connected digital components.
• Voltage regulation in portable devices: Suitable for smartphones, tablets, wearable devices, and other battery-powered equipment.
• Post-regulation in DC-DC converters: Improves the output voltage stability and accuracy of switching regulators.
• Power supply for sensors and analog circuits: Provides a clean and stable 2.8V source to minimize noise and ensure accurate measurements.
• Battery management systems: Regulates voltage for battery charging and discharging circuits.

Features

• Output Voltage: Fixed 2.8V output.
• Input Voltage Range: Wide input voltage range supports various power sources.
• Low Quiescent Current: Minimizes power consumption and extends battery life.
• Overcurrent Protection: Protects the regulator and connected circuits from damage due to excessive current.
• Small Package: Compact package allows for use in space-constrained applications.
• High Ripple Rejection: Effectively filters input voltage ripple, providing a stable output.
• Thermal Shutdown Protection: Protects the regulator from damage due to overheating.

Benefits

• Stable 2.8V Power Supply: Provides a consistent voltage output for reliable device operation.
• Energy Efficient: Low quiescent current reduces power consumption and extends battery life.
• Compact Design: Small package allows for integration into space-limited applications.
• Enhanced Reliability: Overcurrent and thermal shutdown protection improve overall reliability.
• Simplified Circuit Design: Fixed output voltage simplifies design and reduces component count.
• Clean and Stable Output: High ripple rejection ensures a stable output voltage, minimizing noise and interference.

Additional Details

The S-1135D28-M5T1S is designed for optimal performance in low-power applications. The integrated protection features ensure reliable operation, even under potentially damaging conditions. The regulator's low dropout voltage allows it to maintain regulation even when the input voltage is close to the output voltage, making it suitable for battery-powered devices where the battery voltage decreases over time. Specific specifications include a typical quiescent current in the microamp range and an operating temperature range suitable for industrial applications. The device is RoHS compliant.