MAX5921FESA+ Maxim Integrated Products, MAX5921FESA+ Datasheet
MAX5921FESA+
Specifications of MAX5921FESA+
Related parts for MAX5921FESA+
MAX5921FESA+ Summary of contents
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... Server Line Cards Base-Station Line Cards 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. and High Gate Pulldown Current ♦ ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE ABSOLUTE MAXIMUM RATINGS All Voltages Are Referenced Unless Otherwise Noted Supply Voltage ( )................................-0.3V to +100V DRAIN, PWRGD, PWRGD ....................................-0.3V ...
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Hot-Swap Controllers with External R SENSE ELECTRICAL CHARACTERISTICS (continued 0V 48V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL PWRGD OUTPUT SIGNAL (REFERENCED TO DRAIN) ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE (V = +48V 0V +25°C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE 900 800 700 600 T = +85°C A ...
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Hot-Swap Controllers with External R SENSE Figure 1a. Test Circuit Figure 1b. Test Circuit 2 _______________________________________________________________________________________ and High Gate Pulldown Current R 5kΩ PWRGD/PWRGD DRAIN MAX5921 MAX5939 ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE 2V 1.255V PHLOV GATE 1V Figure GATE Timing 100mV 60mV SENSE PHLSENSE GATE 1V Figure 4a. SENSE to GATE ...
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Hot-Swap Controllers with External R SENSE DRAIN 1.4V t PHLDL PWRGD DRAIN 1.4V t PHLDL PWRGD DCEN DRAIN PWRGD /PWRGD Timing Figure 5a. DRAIN to UV REF OV 50mV V SENSE EE _______________________________________________________________________________________ and ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE PIN MAX5921A/ MAX5921B/ NAME MAX5921E MAX5921F MAX5939A/ MAX5939B/ MAX5939E MAX5939F PWRGD 1 — — 1 PWRGD ...
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Hot-Swap Controllers with External R SENSE 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 ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE 4ms/div Figure 6b. Inrush Control Waveforms If the voltage between V and SENSE reaches the cur- EE rent-limit trip voltage (V ), the MAX5921/MAX5939 pull CL down the ...
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Hot-Swap Controllers with External R SENSE 1ms/div Figure 7. Short-Circuit Protection Waveform Figure 10 shows how to program the undervoltage and overvoltage trip thresholds using three resistors. With R4 = 549kΩ 6.49kΩ, and R6 = 10kΩ, the ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE 10ms/div Figure 9. Automatic Restart After a Short Circuit Overcurrent Fault Integrator The MAX5921/MAX5939 feature an overcurrent fault inte- grator. When an overcurrent condition is detected, an internal ...
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Hot-Swap Controllers with External R SENSE -48V RTN (SHORT PIN) -48V RTN ∆ -48V *DIODES INC. SMAT70A Figure 11. Active-High Enable Module -48V RTN (SHORT PIN) -48V RTN ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE -48V RTN (SHORT PIN) GND R4 549kΩ 6.49kΩ 10kΩ 1% -48V *DIODES INC. SMAT70A Figure 13. Using PWRGD to Drive an Optoisolator Component ...
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Hot-Swap Controllers with External R SENSE SENSE V GATE 500µs x 128 Figure 14. MAX5921A Overcurrent Fault Example The lowest practical R , within budget constraints ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE PART DCEN POLARITY Active-Low PWRGD MAX5921AESA MAX5921BESA Active-High PWRGD Active-Low PWRGD MAX5921EESA MAX5921FESA Active-High PWRGD Active-Low PWRGD MAX5939AESA MAX5939BESA Active-High PWRGD Active-Low PWRGD MAX5939EESA MAX5939FESA Active-High PWRGD Ordering ...
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Hot-Swap Controllers with External R and High Gate Pulldown Current SENSE BACKPLANE CIRCUIT CARD GND GND (SHORT PIN INPUT1 -48V (INPUT1) -48V (INPUT2) INPUT2 ______________________________________________________________________________________ Typical Operating Circuit V DD MAX5921 PWRGD MAX5939 V SENSE GATE DRAIN ...
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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 © 2006 Maxim Integrated Products E ...