Negative Linear Regulators Analog Devices Inc. Negative Linear Regulators are a broad line of high-performance low dropout linear regulators. The LDOs offer very low dropout, fast transient response, and excellent line and load regulation. Analog Devices Inc. Negative Linear Regulators have a wide 0.9V to 80V input voltage range and an output currents range from 100mA to 10A with negative outputs.