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HS-1825AEH Datasheet(PDF) 1 Page - Intersil Corporation |
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HS-1825AEH Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 3 page 1 Radiation Hardened High-Speed, Dual Output PWM HS-1825ARH, HS-1825AEH The Radiation Hardened HS-1825ARH, HS-1825AEH Pulse Width Modulator is designed to be used in high frequency switched-mode power supplies and can be used in either current-mode or voltage-mode. It is well suited for single-ended boost converter applications. Device features include a precision voltage reference, low power start-up circuit, high frequency oscillator, wide-band error amplifier, and fast current-limit comparator. The use of proprietary process capabilities and unique design techniques results in fast propagation delay times and high output current over a wide range of output voltages. Constructed with the Intersil Rad Hard Silicon Gate (RSG) Dielectric Isolation BiCMOS process, the HS-1825ARH, HS-1825AEH has been specifically designed to provide highly reliable performance when exposed to harsh radiation environments. Specifications for Rad Hard QML devices are controlled by the Defense Logistics Agency Land and Maritime (DLA). The SMD numbers listed below must be used when ordering. Detailed Electrical Specifications for the HS-1825ARH, HS-1825AEH are contained in SMD 5962-99558. That document may be easily downloaded from our website. www.intersil.com/ Features • Electrically Screened to DLA SMD # 5962-99558 • QML Qualified per MIL-PRF-38535 Requirements • Radiation Environment - Maximum Total Dose. . . . . . . . . . . . . . . . . . . . 300 krad(SI) - Vertical Architecture Provides Low Dose Rate Immunity - DI RSG Process Provides Latch-Up Immunity • Low Start-Up Current . . . . . . . . . . . . . . . . . . . . . . . 100µA (Typ) • Fast Propagation Delay . . . . . . . . . . . . . . . . . . . . . . . 80ns (Typ) • 12V to 30V Operation • 1A (Peak) Dual Output Drive Capability •5.1V Reference •Undervoltage Lockout •Programmable Soft-Start • Switching Frequencies to 500kHz • Latched Overcurrent Comparator with Full Cycle Restart • Programmable Leading Edge Blanking Circuit Applications • Current or Voltage Mode Switching Power Supplies • Motor Speed and Direction Control Pin Configuration HS-1825ARH, HS-1825AEH SBDIP (CDIP2-T16) AND FLATPACK (CDFP4-F16) TOP VIEW 14 15 16 9 13 12 11 10 1 2 3 4 5 7 6 8 INV NON-INV E/A OUT CLOCK RT CT SOFT START RAMP VREF 5.1V OUTPUT B VC POWER GND OUTPUT A GND ILIM/SD VCC NOTE: Grounding the Soft-Start pin does not inhibit the outputs. The outputs may be inhibited by applying >1.26V to the ILIM/SD pin. CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2002, 2005, 2008, 2012. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. May 10, 2012 FN4561.9 |
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