Datasheet |work| - 9e102

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A primary highlight of this regulator is ROHM's proprietary control mechanism. When an application drops into a low-power or standby state, the IC automatically scales down its switching activity, sustaining up to 80% efficiency even at a minimal 10mA output current . Key Specifications

Look at the physical component. Is there a logo (circle, square, letters like "M", "T", "P") next to the number? That will help identify the real manufacturer. 9e102 datasheet

The part number most commonly refers to the BD9E102FJ , a high-efficiency synchronous buck DC/DC converter manufactured by Rohm Semiconductor . It is frequently used in laptop motherboards and other consumer electronics requiring precise voltage regulation. Technical Overview

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| Manufacturer | Part Number | Capacitance | Voltage | Dielectric | Package | |--------------|-------------|-------------|---------|------------|---------| | AVX | 06035C102KAT2A | 1000 pF ±10% | 50V | X7R | 0603 | | Murata | GCM188R71H102KA37 | 1000 pF ±10% | 50V | X7R | 0603 | | KEMET | C0603C102K5RACTU | 1000 pF ±10% | 50V | X7R | 0603 | | TDK | C1608X7R1H102K | 1000 pF ±10% | 50V | X7R | 0603 | | Yageo | CC0603KRX7R9BB102 | 1000 pF ±10% | 50V | X7R | 0603 |

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." Is there a logo (circle, square, letters like

: Built-in low on-resistance MOSFETs (typically 250 mΩ for the high-side) simplify PCB design by reducing the need for external power components.