MAX5949BESA+T Maxim Integrated Products, MAX5949BESA+T Datasheet
MAX5949BESA+T
Specifications of MAX5949BESA+T
Related parts for MAX5949BESA+T
MAX5949BESA+T Summary of contents
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... Distributed Power Systems Negative Power-Supply Controls Typical Operating Circuit and Selector Guide appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. -48V Hot-Swap Controllers with External R ♦ ...
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Hot-Swap Controllers with External R ABSOLUTE MAXIMUM RATINGS (All voltages are referenced unless otherwise noted.) EE Supply Voltage ( .................................-0.3V to +100V DD EE PWRGD, PWRGD .................................................-0.3V to +100V DRAIN (Note 1)........................................................-2V to ...
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ELECTRICAL CHARACTERISTICS (continued 0V 48V -40°C to +85°C. Typical values are PARAMETER SYMBOL PWRGD OUTPUT SIGNAL REFERENCED TO DRAIN DRAIN Input Bias Current D RAIN Thr eshol d for ...
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Hot-Swap Controllers with External 48V 0V +25°C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE 900 T = +85° +25° 800 700 600 500 T ...
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PWRGD/PWRGD MAX5949 OV V SENSE GATE EE TEST VOLTAGE 2V Figure 1. -2V DRAIN Voltage Test Circuit V UV Figure 2b. Test Circuit 2 _______________________________________________________________________________________ -48V Hot-Swap Controllers with External DRAIN V UV ...
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Hot-Swap Controllers with External R 2V 1.255V PHLOV GATE 1V Figure GATE Timing 100mV 60mV SENSE PHLSENSE GATE 1V Figure 5a. SENSE to GATE Timing 6 _______________________________________________________________________________________ SENSE 2V 1.235V ...
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DRAIN 1.4V t PHLDL PWRGD DRAIN 1.4V t PHLDL PWRGD PWRGD DRAIN Figure 6a. DRAIN to PWRGD /PWRGD Timing UV REF _______________________________________________________________________________________ -48V Hot-Swap Controllers with External R Timing Diagrams (continued) ∆V ...
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Hot-Swap Controllers with External R PIN NAME MAX5949A MAX5949B PWRGD 1 — — 1 PWRGD SENSE 6 6 GATE 7 7 DRAIN Detailed ...
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Figure 7a shows a typical hot-swap circuit for -48V sys- tems. When the circuit board first makes contact with the backplane, the DRAIN to GATE capacitance ( pulls up the GATE voltage to roughly ...
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Hot-Swap Controllers with External R CONTACT BOUNCE 4ms/div Figure 7b. Input Inrush Current In either case, when the MOSFET is turned off, the out- put capacitor continues to discharge by the IC supply current The I flows ...
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Figure 8. Short-Circuit Protection Waveform -48V RTN (SHORT PIN) -48V RTN 549kΩ 6.49kΩ * 10kΩ -48V *DIODES INC. SMAT70A. Figure 10. Circuit for Input Steps with Small C1 For C2 values less than 10nF, a positive voltage step on ...
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Hot-Swap Controllers with External R -48V RTN (SHORT PIN) -48V RTN 1MΩ 549kΩ 549kΩ NODE2 C4 1µF 100V * R9 R5 10kΩ 6.49kΩ 2N2222 ZVN3310 510kΩ 1N4148 ...
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RTN (SHORT PIN) -48V RTN ∆ -48V *DIODES INC. SMAT70A. Figure 13. Active-High Enable Module -48V RTN (SHORT PIN) -48V RTN ∆ -48V ...
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Hot-Swap Controllers with External R -48V RTN (SHORT PIN) -48V RTN R4 549kΩ 6.49kΩ 10kΩ 1% -48V *DIODES INC. SMAT70A. **OPTIONAL. Figure 15. Using PWRGD to Drive an Optoisolator When the DRAIN voltage of ...
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Component Selection Procedure • Determine load capacitance module input capacitance L • Determine load current, I LOAD • Select circuit-breaker current; for example LOAD • Calculate R : ...
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Hot-Swap Controllers with External set to twice 5A LOAD DS bles to ≤1.25V 4000µF, transient-line input OUT voltage is ∆36V, and the 5A charging-current pulse is: µ ...
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BACKPLANE CIRCUIT CARD -48V RTN -48V RTN (SHORT PIN) R4 549kΩ 649kΩ 1% 0.1µF 10V R6 10kΩ 1% INPUT1 -48V (INPUT1) -48V (INPUT2) INPUT2 Chip Information TRANSISTOR COUNT: 2645 PROCESS: BiCMOS ______________________________________________________________________________________ -48V Hot-Swap Controllers with External R ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 18 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2004 Maxim Integrated Products ...