In a standard buck converter configuration, the 8681L requires minimal external components to function efficiently, keeping the overall bill of materials (BOM) low.
Before diving into the download details, it鈥檚 essential to understand why this IC is drawing so much attention. The 8681L is typically a (often functioning similarly to popular models like DW01 or 8205A, but with unique specifications). It is commonly found in:
Separate the sensitive analog ground (FB trace components) from the noisy power ground (PGND) until they meet at a single star-ground point.
Several electronic component distributors provide detailed product pages that effectively act as a . The Jotrin series of websites (e.g., Jotrin.com, Jotrin.jp, Jotrin.it) contain the most complete public specifications for the 8681L. Visit any of the following pages: 8681l ic datasheet pdf hot download
While you should always consult the specific datasheet for exact electrical characteristics, PWM controllers like the 8681L (LD7575 series) generally share these standard features:
Mainstream entertainment is passive. A datasheet search is interactive drama. Who made the 8681L? Was it a Fujitsu custom chip for a 1990s car stereo? A Samsung power regulator for a long-discontinued plasma TV? Each dead link is a cliffhanger. Each partial match 鈥� "8681" without the "L" 鈥� is a plot twist.
If the direct link ever changes, refer to the below; we have summarized the critical data to keep you working. In a standard buck converter configuration, the 8681L
Main power supply input pin. Must be decoupled with a high-quality ceramic capacitor to ground.
How to Download the 8681L Datasheet PDF: Provide a step-by-step guide on where to find the datasheet, including links to jotrin, Chinafix, and suggestions to request from O2Micro. Emphasize "hot download" tips.
OZ8681L / 8681L QFN16 - 泻芯薪褌褉芯谢谢械褉 蟹邪褉褟写邪 - ICishka It is commonly found in: Separate the sensitive
If the part is obscure or discontinued
| Pin | Name | Function | |-----|------|----------| | 1 | VAC | Power supply input (adapter voltage) | | 2 | IACP | Adapter current sense (positive) | | 3 | IACM | Adapter current sense (negative) | | 4 | ICHM | Battery charge current sense (negative) | | 5 | ICHP | Battery charge current sense (positive) | | 6 | VDDA | 5 V linear voltage output (for internal analog circuits) | | 7 | IAC | Adapter current detection output 鈥� high level when adapter current is normal | | 8 | COMP | Compensation pin (loop stability) | | 9 | ACAV | Adapter valid signal output 鈥� high when adapter is present | | 10 | SCL | SMBus clock line for EC / battery communication | | 11 | SDL | SMBus data line for EC / battery communication | | 12 | BST | Bootstrap pin for internal high鈥憇ide gate drive | | 13 | HDR | High鈥憇ide MOSFET gate control output | | 14 | LX | Switching node (connects to external inductor) | | 15 | VDDP | Power supply for internal analog circuits (lower gate drive supply) | | 16 | LDR | Low鈥憇ide MOSFET gate control output | | 17 | GND | Ground (note: QFN package may have a central ground pad) |