The **78L06ACD-R1** is a fixed-output positive voltage regulator belonging to the popular 78Lxx series. It is designed to provide a stable 6V output for low-current applications. --- ### ## Technical Specifications Below are the primary electrical characteristics for the 78L06ACD-R1: | Parameter | Specification | | :--- | :--- | | **Output Voltage** | 6.0 V | | **Input Voltage (Max)** | 30 V | | **Output Current (Max)** | 100 mA | | **Quiescent Current** | ~3 mA to 5 mA | | **Package Type** | SOIC-8 (Small Outline Integrated Circuit) | | **Operating Temperature** | 0°C to +125°C | | **Dropout Voltage** | ~1.7 V (Typical) | --- ### ### Key Features 1. **Short-Circuit Protection:** Includes internal current limiting to prevent the device from burning out during a fault. 2. **Thermal Overload Protection:** The device will shut down if the internal junction temperature exceeds safe limits. 3. **Safe-Area Compensation:** Ensures the output transistor operates within safe limits under varying load/voltage conditions. 4. **Low Noise:** Provides a cleaner DC signal compared to switching regulators, making it ideal for sensitive analog circuits. --- ### ### Typical Application Circuit To ensure stability and filter out noise, external capacitors are recommended. ```c Input (7.7V - 20V) ----[In 78L06 Out]---- Output (6V) | | Cin Cout | | GND ---------------------|-------|--------- GND /* Cin: 0.33 uF (Ceramic or Tantalum) Cout: 0.1 uF (Ceramic) */ ``` --- ### ### Pin Configuration (SOIC-8 Package) Note: In the SOIC-8 version of the 78L06, pins are often grouped to help with heat dissipation. * **Pin 1:** Output Voltage * **Pins 2, 3, 6, 7:** Ground (GND) * **Pin 8:** Input Voltage * **Pins 4, 5:** No Connection (NC) or Ground (Check specific manufacturer datasheet as this can vary). --- ### ### Common Use Cases * **Local On-Card Regulation:** Eliminating noise distribution problems associated with single-point regulation. * **Sensor Power Supply:** Providing steady 6V to analog sensors. * **Consumer Electronics:** Used in low-power handheld devices, toys, and remote controls.