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.

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