The **MGFS304815-R** is a high-performance, isolated DC-DC converter manufactured by **Cosel**. It belongs to the MGFS series, which is known for its high power density, wide input range, and industry-standard 1x1 inch footprint. --- ### ## Technical Specifications Below are the primary electrical characteristics for the MGFS304815-R: | Parameter | Value / Range | | :--- | :--- | | **Manufacturer** | Cosel | | **Series** | MGFS (Isolated Type) | | **Nominal Input Voltage** | 48V DC | | **Input Voltage Range** | 18V to 76V DC | | **Output Voltage** | 15V DC | | **Output Current** | 2.0 A | | **Max Power Output** | 30 Watts | | **Efficiency** | 89% (Typical) | | **Isolation Voltage** | 1,500V DC (1 minute) | | **Package / Case** | 1" x 1" Six-sided Shielded Metal Case | --- ### ### Key Features 1. **Wide Input Range (4:1):** The "48" in the part number indicates a nominal 48V input, but it can handle anything from 18V to 76V. This makes it ideal for telecommunications and industrial battery systems. 2. **Remote ON/OFF:** Includes a control pin to turn the converter on or off remotely, reducing standby power consumption. 3. **Adjustable Output:** The output voltage can be trimmed (adjusted) using an external resistor. 4. **Protection Circuits:** * **Overcurrent Protection (OCP):** Automatically recovers after the fault is cleared. * **Overvoltage Protection (OVP):** Protects the load from voltage spikes. * **Thermal Protection:** Shuts down the unit if internal temperatures exceed safe limits. 5. **Built-in Capacitance:** Features high-quality ceramic capacitors internally, which reduces the need for external components and improves reliability. --- ### ### Pin Configuration (Top View) | Pin Number | Function | Description | | :--- | :--- | :--- | | 1 | +VIN | Positive Input Voltage | | 2 | -VIN | Negative Input Voltage | | 3 | RC | Remote Control (ON/OFF) | | 4 | +VOUT | Positive Output Voltage | | 5 | -VOUT | Negative Output Voltage | | 6 | TRM | Output Voltage Adjustment (Trim) | --- ### ### Typical Application Circuit To minimize noise in sensitive applications, a simple LC filter is often added to the input and output. ```markdown [Input 18-76V] ----[ C1 ]----( +VIN ) [MGFS304815-R] ( +VOUT )----[ C2 ]---- [Load] | ( -VIN ) ( -VOUT ) | -------( RC ) ( TRM )------- ```