MAX5947AESA+T Maxim Integrated Products, MAX5947AESA+T Datasheet
MAX5947AESA+T
Specifications of MAX5947AESA+T
Related parts for MAX5947AESA+T
MAX5947AESA+T Summary of contents
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... Yes MAX5947B — MAX5947C — ________________________________________________________________ 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. ♦ Pin- and Function-Compatible with the LT1641-2 (MAX5947B) ♦ Provides Safe Hot Swap for +9V to +80V Power- Supply Range (MAX5947A/B/C) ♦ ...
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Positive High-Voltage, Hot-Swap Controllers ABSOLUTE MAXIMUM RATINGS (Voltages Referenced to GND) V .........................................................................-0.3V to +85V CC SENSE, FB, ON ..........................................-0. TIMER, PWRGD, PWRGD.......................................-0.3V to +85V GATE ......................................................................-0.3V to +95V Maximum GATE Current ....................................-50mA, +150mA Maximum Current into Any ...
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Positive High-Voltage, Hot-Swap Controllers ELECTRICAL CHARACTERISTICS (continued +24V (MAX5947A/B/C +48V (MAX5933A–MAX5933F), GND = 0V Typical values are +25°C.) (Note 1) A PARAMETER SYMBOL ON Hysteresis V ON Input Bias Current ...
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Positive High-Voltage, Hot-Swap Controllers SENSE MAX5933_ MAX5947_ PWRGD GATE 5kΩ TIMER GND Figure 1. Test Circuit 1.313V ON t PLHON 5V GATE Figure GATE Timing 4 _______________________________________________________________________________________ Test Circuit and ...
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Positive High-Voltage, Hot-Swap Controllers (V = +48V +25°C, unless otherwise noted vs 2.7 2.4 2.1 1 +85° +25°C A 1.5 1.2 0 -40°C A 0.6 ...
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Positive High-Voltage, Hot-Swap Controllers (V = +48V +25°C, unless otherwise noted TIMER PULLUP CURRENT vs. TEMPERATURE -60 -65 -70 -75 -80 -85 -90 -40 - TEMPERATURE (°C) ON HIGH-VOLTAGE THRESHOLD vs. TEMPERATURE 1.343 ...
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Positive High-Voltage, Hot-Swap Controllers PIN NAME ON/OFF Control Input used to implement the undervoltage lockout threshold and resets the part 1 ON after a fault condition for the latched-off version (MAX5933A/MAX5933C/MAX5947A, see the Detailed Description section). Power-Good Comparator ...
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Positive High-Voltage, Hot-Swap Controllers PWRGD (PWRGD FOR THE MAX5933C/D/F AND THE MAX5947A/C. *FOR THE MAX5933E/MAX5933F. 8 _______________________________________________________________________________________ FB V SENSE CC MAX5933_ MAX5947_ V GEN P CHARGE REF PUMP GEN 0.5V GATE DRIVER OPEN 12mV TO 47mV ...
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Positive High-Voltage, Hot-Swap Controllers Detailed Description The MAX5933_ and MAX5947_ are fully integrated hot- swap controllers for positive supply rails. The devices allow for the safe insertion and removal of circuit cards into live backplanes without causing glitches on the ...
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Positive High-Voltage, Hot-Swap Controllers Applications Information Hot-Circuit Insertion When circuit boards are inserted into a live backplane, the supply bypass capacitors on the boards draw high peak currents from the backplane power bus as they charge up. The transient currents ...
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Positive High-Voltage, Hot-Swap Controllers RESPONSE TIME TO OVERCURRENT 100 (mV) CC SENSE Figure 8. Response Time to Overcurrent TIMER provides a method for programming the maxi- mum time ...
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Positive High-Voltage, Hot-Swap Controllers V IN SHORT PIN R1 D1 49.9kΩ 30V 1% 1N5256B R2 3.4kΩ 0.68µF GND Figure 10. Overvoltage Detection OVERVOLTAGE WAVEFORMS 10µs/div Figure 11. Overvoltage Waveforms 12 ______________________________________________________________________________________ R SENSE Q1 0.025Ω IRF530 R5 10Ω ...
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Positive High-Voltage, Hot-Swap Controllers V IN SHORT PIN R1 0.1µF 294kΩ 10.2kΩ 5 TIMER 1% C2 0.68µF GND Figure 12. Active-Low Enable Module GATE DRIVE vs ...
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Positive High-Voltage, Hot-Swap Controllers MAX5933_ MAX5947_ IRF530 Figure 14. Recommended Layout for R1, R2, and R SENSE *SMBJ51A 49.9kΩ 3.4kΩ 0.68µF GND *DIODES, INC. 14 ______________________________________________________________________________________ TRANSISTOR COUNT: 1573 PROCESS: BiCMOS TOP VIEW ...
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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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15 © 2004 Maxim Integrated Products ...