9e102 Datasheet !!link!! Jun 2026

| Parameter | Generic 9E102 SOP-8 | ROHM BD9E102FJ-E2 | | :--- | :--- | :--- | | | General-purpose low-voltage IC | Synchronous Buck DC-DC Converter | | Input Voltage (VIN) | 2.7V to 5.5V | 7.0V to 26V (Max) | | Output Current (IOUT) | Not specified | 1.0A (Max) | | Switching Frequency | Not applicable | 570kHz (Typical) | | Package Type | SOP-8 | SOP-J8 (ROHM proprietary) | | Operating Temp | -40°C to +85°C | -40°C to +85°C |

Exceeding voltage or temperature may cause catastrophic failure (cracking or shorting). X7R capacitors exhibit microphonic effects under mechanical stress. 9e102 datasheet

The loop bandwidth is typically optimized around 22.4 kHz to manage load fluctuations efficiently. 5. Pin Configuration and Functions | Parameter | Generic 9E102 SOP-8 | ROHM

On a winter morning of no particular import, the amber pin stopped blinking altogether. Mara pressed her palm to the ceramic and felt nothing. She set the module on a shelf and wrote its last entry into the notebook that tracked its life: "Status: dormant. Condition: degraded. Notes: memories archived in situ. Recommend rest." She set the module on a shelf and

Months later, a child delivered a letter with wax the color of stale tea. Inside, in a hand Mara almost recognized, was a single line: "We remember because somebody had to." No signature. No return.

The SOP-J8 package has a on the pin 1 side. ROHM datasheets provide detailed mechanical drawings showing the orientation. Some distributors also provide PCB footprint and symbol resources for CAD tools like DesignSpark PCB.

When substituting a failed IC using a hot air rework station, preheat the target PCB to minimize thermal shock. Safely solder the SOP-8 component using a temperature target around 260°C to 350°C depending on board thickness and ground plane size.