8681l Ic Datasheet _verified_

If you’d like, I can: (1) draft a sample application circuit for a specific 8681L variant (regulator, driver, or transceiver); (2) summarize a real 8681L datasheet if you provide a link or PDF; or (3) create a checklist for PCB layout and testing tailored to the IC’s role. Which would you prefer?

L1 (4.7uH) SW [Pin 3] ------(UUUUU)-------+-------+-----> V_OUT (3.3V / 3A) | | [R1] [C_OUT] (47uF) | | FB [Pin 5] --------------------+ | | | [R2] | | | GND [Pin 4] --------------------+-------+-----> GND Component Selection Guidelines 1. Setting the Output Voltage ( VOUTcap V sub cap O cap U cap T end-sub The output voltage is programmed via a resistor divider ( R1cap R sub 1 R2cap R sub 2 VOUTcap V sub cap O cap U cap T end-sub to the FB pin. Use the following formula: 8681l ic datasheet

The MAX8681L is a solid, simple step‑up for small to medium LED backlighting (e.g., 2–6 series LEDs at 20–200 mA). The datasheet is clear, with typical application schematics and efficiency plots. Watch for layout guidance and ensure your input capacitor is close to the IC. If you’d like, I can: (1) draft a

Because the QFN-16 package relies on a large ground pad underneath the silicon, use an infra-red preheater or a hot air rework station set carefully to roughly 330°C–350°C to uniformly melt the lead-free solder. Setting the Output Voltage ( VOUTcap V sub

Designed for "smart battery systems" (SBS), the 8681L includes several hardware-level protection layers to prevent damage to the laptop or battery:

: Typically housed in a compact, low-profile QFN-16 (Quad Flat No-leads, 16-pin) package.

: When the system is ON, the IC automatically allocates all remaining AC adapter current (not used by the system) to the battery charger to minimize charging time.