Radiation Hardened Negative Low Dropout Adjustable Voltage Regulator

The radiation hardened ISL72991RH is a low dropout adjustable negative regulator with an output voltage range of -2.25V to -26V. The device features a 1A output current capability, an adjustable current limit pin (ILIM) and a shutdown pin (SD) for easy on/off control.

特性 Features

? Electrically Screened to DSCC SMD # 5962-02503

? QML Qualified per MIL-PRF-38535 Requirements

? Radiation Environment

- Total Dose (Max) . . . . . . . . . . . . . . . . . . . . 300krad(SI)

- Latch-Up Immune

? Line Regulation . . . . . . . . . . . . . . . . . . . . . . ±25mV (max)

? Load Regulation . . . . . . . . . . . . ±12mV (typ); ±15mV (max)

? Output Voltage Range . . . . . . . . . . . . . . . . -2.25V to -26V

? Dropout Voltage (100mA). . . . . . . . 0.2V (typ); 0.3V (max)

? Dropout Voltage (1A) . . . . . . . . . . . . . . . . . . . . . .1V (max)

? Minimum Load Current. . . . . . . . . . . . . . . . . . . . . . .3.0mA

? TTL Input-Level Shutdown (SD); Low = On

Applications

? Switching Power Supplies

? DC/DC Converters

? Motor Controllers