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ISL72991RHQF Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL72991RHQF Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 3 page 1 ® FN9054.1 ISL72991RH 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. The device incorporates unique circuitry that enables precision performance over the -55°C to +125°C temperature range and post-irradiation. Specifications include a reference voltage of -1.25V +40mV/-50mV (max), line regulation of ±25mV (max), and load regulation of ±15mV (max). Constructed with the Intersil dielectrically isolated Rad Hard Silicon Gate (RSG) BiCMOS process, these devices are immune to Single Event Latch-up and have been specifically designed to provide highly reliable performance in harsh radiation environments. Specifications for Rad Hard QML devices are controlled by the Defense Supply Center in Columbus (DSCC). The SMD numbers listed here must be used when ordering. Detailed Electrical Specifications for these devices are contained in SMD 5962-02503. A ‘hotlink’ is provided on the Intersil website for downloading. Pinout ISL72991RHF (FLATPACK CDFP3-F28) TOP VIEW 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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VIN VIN NC NC NC NC NC NC NC NC GND ILIM VOUT VOUT VIN VIN NC NC NC NC NC NC NC NC ADJ SD VOUT VOUT Ordering Information ORDERING NUMBER INTERNAL MKT. NUMBER TEMP. RANGE (°C) 5962F0250301VXC ISL72991RHVF -55 to 125 5962F0250301QXC ISL72991RHQF -55 to 125 5962F0250301V9A ISL72991RHVX -55 to 125 ISL72991RHF/Proto ISL72991RHF/Proto -55 to 125 Data Sheet June 2004 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002, 2004. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. |
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