MAX5920AESA Maxim Integrated Products, MAX5920AESA Datasheet
MAX5920AESA
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MAX5920AESA Summary of contents
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... Programmable Inrush and Short-Circuit Current Limits o Operates from -20V to -80V o Programmable Overvoltage Protection o Programmable Undervoltage Lockout o Powers Up into a Shorted Load o Power-Good Control Output o Thermal Shutdown Protects External MOSFET PART Applications MAX5920AESA MAX5920BESA TOP VIEW SENSE Features Ordering Information TEMP RANGE PIN-PACKAGE -40°C to +85° -40° ...
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Hot-Swap Controller with External R ABSOLUTE MAXIMUM RATINGS All Voltages are Referenced Unless Otherwise Noted. Supply Voltage ( .................................-0.3V to +100V DD EE DRAIN, PWRGD, PWRGD ....................................-0.3V to +100V PWRGD to DRAIN ...
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ELECTRICAL CHARACTERISTICS (continued 0V 48V -40°C to +85°C. Typical values are PARAMETER SYMBOL D RAIN Thr eshol d for ood GATE High Threshold PWRGD, ...
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Hot-Swap Controller 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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Figure 1a. Test Circuit Figure 1b. Test Circuit 2 _______________________________________________________________________________________ -48V Hot-Swap Controller with External R R 5kΩ PWRGD/PWRGD DRAIN V OV MAX5920A MAX5920B UV GATE V SENSE EE PWRGD/PWRGD ...
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Hot-Swap Controller with External R 2V 1.255V PHLOV GATE 1V Figure GATE Timing 100mV 60mV SENSE PHLSENSE GATE 1V Figure 4a. SENSE to GATE Timing 6 _______________________________________________________________________________________ SENSE 2V 1.205V ...
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DRAIN 1.4V t PHLDL PWRGD DRAIN 1.4V PWRGD PWRGD DRAIN Figure 5a. DRAIN to PWRGD /PWRGD Timing UV REF _______________________________________________________________________________________ -48V Hot-Swap Controller with External R ∆V GATE ...
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Hot-Swap Controller with External R PIN NAME MAX5920A MAX5920B PWRGD 1 — — 1 PWRGD SENSE 6 6 GATE 7 7 DRAIN Detailed ...
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Figure 6a 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 Controller with External R CONTACT BOUNCE 4ms/div Figure 6b. Input Inrush Current If the voltage between V and SENSE reaches the cur- EE rent-limit trip voltage (V ), the MAX5920_ pulls down CL the GATE pin and regulates ...
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Figure 7b. Short-Circuit Protection Waveform -48V RTN (SHORT PIN) -48V RTN 549kΩ 6.49kΩ * 10kΩ -48V *DIODES INC. SMAT70A. Figure 9. Circuit for Input Steps with Small C1 For C2 values less than 10nF, a positive voltage step on ...
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Hot-Swap Controller with External R -48V RTN (SHORT PIN) -48V RTN 1MΩ 549kΩ 549kΩ 1µF NODE1 100V * R6 R5 10kΩ 6.49kΩ 2N2222 Q3 ZVN3310 510kΩ ...
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RTN (SHORT PIN) -48V RTN ∆ -48V *DIODES INC. SMAT70A. Figure 12. Active-High Enable Module -48V RTN (SHORT PIN) -48V RTN ∆ -48V ...
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Hot-Swap Controller with External R -48V RTN (SHORT PIN) -48V RTN R4 549kΩ 6.49kΩ 10kΩ 1% -48V *DIODES INC. SMAT70A. **OPTIONAL. Figure 14. Using PWRGD to Drive an Optoisolator pulled high by the module’s ...
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Applications Information The circuit-breaker current-limit threshold is set to 50mV (typically). Select a sense resistor that causes a drop equal to or above the current-limit threshold at a current level above the maximum normal operating current. Typically, set the overload ...
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... D 1.1°C/W) at +25°C. Thermal calculations for the transient condition yield = 1.8V 0.5ms, transient θ 20A 36W and ∆t 0.12°C/ 4.3° PART MAX5920AESA MAX5920BESA 16 ______________________________________________________________________________________ SENSE momentarily dou 6.25W 0.96V DS 2 PAK exhibits Figure 15. Recommended Layout for Kelvin-Sensing Current Through Sense Resistor ≤ ...
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BACKPLANE CIRCUIT CARD -48V RTN -48V RTN (SHORT PIN) INPUT1 -48V (INPUT1) -48V (INPUT2) INPUT2 Chip Information TRANSISTOR COUNT: 2645 PROCESS: BiCMOS ______________________________________________________________________________________ -48V Hot-Swap Controller with External MAX5920A OV V SENSE GATE EE N SENSE ...
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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 © 2003 Maxim Integrated Products ...