SLG55021-200010V

The SLG55021-200010V from Dialog Semiconductor is a high voltage N-Channel FET gate driver designed for advanced power management systems. It controls the delayed turn-on and ramping slew rate of source voltage on N-Channel FET switches using a CMOS logic level input.

Key electrical specifications include a 5V ±5% power supply and a drain voltage range from 1.0V to 20V. The device features an internal gate voltage charge pump, controlled turn-on delay, controlled load discharge rate, and controlled turn-on slew rate. The turn-on slew rate is stable within ±2% over the temperature range. The operating temperature range is -55°C to 125°C.

This gate driver supports a variety of configurations with turn-on slew rates from 0.80 V/ms up to 4 V/ms, resulting in ramp times from 200 µs to over 20 ms. Delays before the ramp begins are source voltage independent, ranging from 250 µs to 5 ms. A power good output indicates when the ramp-up slew is finished. An internal discharge circuit provides a controlled path to remove charge from open power rails.

The SLG55021-200010V is available in an 8-pin TDFN (2x2) package, suitable for surface mounting. It is RoHS compliant and designed for applications such as power rail switches, hot plugging, and soft switching in personal computers and data communications equipment.