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5962F0251102VEC Datasheet(PDF) 1 Page - Intersil Corporation |
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5962F0251102VEC Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 3 page 1 ® FN9065.3 IS-1825ASRH, ISL71823ASRH Single Event and Total Dose Hardened, High-Speed, Dual Output PWMs The single event and total dose hardened IS-1825ASRH and ISL71823ASRH pulse width modulators are designed to be used in high frequency, switching power supplies in either voltage or current-mode configurations. Both designs include a precision voltage reference, a low power start-up circuit, a high frequency oscillator, a wide-band error amplifier and a fast current-limit comparator. The IS-1825ASRH features dual, alternating outputs operating from zero to less than 50% duty-cycle, while the ISL71823ASRH features dual, in-phase outputs operating from zero to less than 100% duty cycle. Constructed with the Intersil Rad-hard Silicon Gate (RSG) dielectrically isolated BiCMOS process, these devices are immune to single event latch-up and have been specifically designed to provide a high level of immunity to single event transients. All specified parameters are guaranteed and tested for 300krad(Si) total dose performance. Detailed Electrical Specifications for these devices are contained in SMD 5962-02511. A “hot-link” is provided on our website for downloading the SMD. Features • Electrically Screened to DSCC SMD # 5962-02511 • QML Qualified per MIL-PRF-38535 Requirements • Radiation Environment - Total Dose. . . . . . . . . . . . . . . . . . . . . 300krad(SI) (max) - Latch-up Immune . . . . . . . . . . . . . Dielectrically Isolated - SEU immune . . . . . . . . . . LET = 35MeV/mg/cm2(max) • Oscillator Frequency . . . . . . . . . . . . . . . . . . . .1MHz(max) • High Output Drive Current . . . . . . . . . . . . . . . 1A peak(typ) • Low Start-up Current . . . . . . . . . . . . . . . . . . . 300µA(max) • Undervoltage Lockout - Start Threshold . . . . . . . . . . . . . . . . . . . . . . . .8.8V(max) - Stop Threshold . . . . . . . . . . . . . . . . . . . . . . . . 7.6V(min) - Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . 300mV(min) • Improved Soft-Start Function Compared with Commercial 1825A/1823A Types • Pulse-by-Pulse Current Limiting • Latched Overcurrent Comparator with Full Cycle Restart • Programmable Leading Edge Blanking Applications • Voltage or Current-Mode Switching Power Supplies • Control of High Current MOSFET Drivers • Motor Speed and Direction Control Pinouts IS1-1825ASRH, ISL71823ASRHQD (CDIP2-T16 SBDIP) TOP VIEW IS9-1825ASRH, ISL71823ASRHQF (CDFP4-F20 FLATPACK) TOP VIEW 14 15 16 9 13 12 11 10 1 2 3 4 5 7 6 8 INV NON-INV E/A OUT CLK/LEB RT CT SS RAMP VREF OUT B VC PGND OUT A GND ILIM/SD VCC 2 3 4 5 6 7 8 120 19 18 17 16 15 14 13 NC INV NON-INV E/A OUT CLK/LEB RT CT RAMP 9 10 12 11 SS NC VREF VCC OUT B PGND VC VC PGND OUT A GND ILIM/SD Data Sheet September 25, 2008 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002, 2005, 2008. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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