The is a high-speed, low-side MOSFET driver designed to switch an N-channel enhancement-mode MOSFET in high-frequency applications. Manufactured by Microchip Technology (formerly Micrel), this device is optimized for low supply voltage operation and high peak output current capability. It is ideally suited for driving MOSFETs in switch-mode power supplies (SMPS), DC-DC converters, and motor control applications where low propagation delay and fast rise/fall times are critical.
While full manufacturer datasheets from O2Micro (the likely manufacturer) can be difficult to find directly, you can access technical summaries and part details via these platforms: 8681l datasheet
The device consists of an input buffer stage, logic control, and a totem-pole output stage designed to drive capacitive loads. The is a high-speed, low-side MOSFET driver designed
| Pin Number | Pin Name | Description | | :---: | :---: | :--- | | 1 | | Supply Voltage. Connect to the logic supply rail. Bypass with a ceramic capacitor to GND. | | 2 | GND | Ground. Reference ground for the device. Must be connected to the system ground plane. | | 3 | IN | Input. Logic input that controls the gate driver output. High = Output High. | | 4 | NC | No Connect. Not internally connected. Can be left floating or tied to GND. | | 5 | OUT | Output. Connects directly to the Gate of the external N-Channel MOSFET. | While full manufacturer datasheets from O2Micro (the likely