The **M28SL-X-T92-R** is a specific part number typically associated with a **Low Dropout (LDO) Voltage Regulator** or a **Voltage Detector IC**, commonly manufactured by UTC (Unisonic Technologies Co., Ltd). Below is a detailed breakdown of its electronic characteristics and specifications. --- ## 1. Technical Specifications The "M28SL" series is generally designed for low-power consumption and precision voltage management in battery-operated devices. | Parameter | Specification (Typical) | | :--- | :--- | | **Output Voltage** | 2.8V (Fixed) | | **Package Type** | TO-92 (Through-hole) | | **Function** | Linear Voltage Regulator / Voltage Detector | | **Quiescent Current** | Low (typically < 1.0 $\mu$A for detectors) | | **Input Voltage Range** | Up to 7V - 10V (Depending on specific series) | | **Mounting Type** | Through-Hole | --- ## 2. Part Number Deciphering Manufacturers use alphanumeric codes to define the physical and electrical properties of the component. | Code Segment | Meaning | | :--- | :--- | | **M28** | **Output Voltage:** Represents a 2.8V threshold or output. | | **SL** | **Series Code:** Often refers to "Standard Low-power" or a specific UTC series. | | **T92** | **Package:** Indicates a **TO-92** plastic package (3-pin transistor style). | | **R** | **Packing:** Indicates "Tape & Reel" or "Ammo Pack" for automated assembly. | --- ## 3. Key Features * **High Accuracy:** Usually provides ±2% tolerance on the output/threshold voltage. * **Low Power Consumption:** Optimized for CMOS technology to extend battery life. * **Stability:** Designed to be stable with low-value ceramic capacitors (if a regulator) or provide a clean reset signal (if a detector). * **Compact Form Factor:** The TO-92 package is standard for hobbyist electronics and industrial breadboarding. --- ## 4. Typical Application Circuit If this part is utilized as a simple 2.8V regulator, the wiring follows a standard 3-pin configuration: ```text [Input Voltage] ----(1: IN) [ M28SL ] (3: OUT) ---- [2.8V Output] | (2: GND) | [Ground] ``` *Note: Pinouts can vary by manufacturer; always consult the specific datasheet for Pin 1, 2, and 3 mapping.* ---