gate driver for power mosfet Answered
I am strobing columns of LEDs at high currents very quickly (100mA for each LED, for 100us) with p-channel mosfets and LED drivers. The p-channel fets that can handle that sort of current (100mA * 24 LEDs) have gate capacitances of 1000pF and up. My microcontroller can't push too much current to the gate too quickly, which would result in the mosfet losing power to slow switch (and ghosting in the LEDs).
I KNOW that some sort of gate driver buffer ic exists, i just can't seem to find one. Everything I am finding is for high-voltage or high-current applications and motor-driving. I just need something that will drive my gates at 200-400mA, and since i need 9 of them, i'd like them to be cheap. I dont need any of these motor-driver ICs or 3A gate driver chips...
Can anyone help me out?