MAX5904ESA Maxim Integrated Products, MAX5904ESA Datasheet
MAX5904ESA
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MAX5904ESA Summary of contents
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... Adjustable Circuit Breaker/Current-Limit Threshold ♦ VariableSpeed/BiLevel Circuit-Breaker Response ♦ Autoretry or Latched Fault Management ♦ On/Off Sequence Programming ♦ Status Output Indicates Fault/Safe Condition ♦ Output Undervoltage and Overvoltage Monitoring and/or Protection PART MAX5904ESA* MAX5904USA MAX5905ESA* MAX5905USA MAX5906EEE* MAX5906UEE MAX5907EEE* MAX5907UEE MAX5908EEE* ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers ABSOLUTE MAXIMUM RATINGS IN_ to GND...........................................................................+14V GATE_ to GND..........................................+0. ON, PGOOD, COMP+, COMPOUT, TIM to GND.....-0.3V to the higher 0.3V) and (V IN1 SENSE_, MON_, LIM_ to GND ...................-0.3V to ...
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Low-Voltage, Dual Hot-Swap Controllers/Power ELECTRICAL CHARACTERISTICS (continued +1V to +13.2V provided at least one supply is higher than +2.7V Typical values are +5V, V IN1 IN2 PARAMETER SYMBOL V Channel 1 ON ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers ELECTRICAL CHARACTERISTICS ( +1V to +13.2V provided at least one supply is higher than +2.7V Typical values are +5V +3.3V, and T IN1 IN2 PARAMETER SYMBOL ...
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Low-Voltage, Dual Hot-Swap Controllers/Power ELECTRICAL CHARACTERISTICS (continued +1V to +13.2V provided at least one supply is higher than +2.7V Typical values are +5V, V IN1 IN2 PARAMETER SYMBOL ON Input Bias Current ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers (Typical Operating Circuits Fairchild FDB7090L and 2 are identical in performance. Where characteristics are interchangeable, channels 1 and 2 are referred and Y.) SUPPLY CURRENT vs. ...
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Low-Voltage, Dual Hot-Swap Controllers/Power (Typical Operating Circuits Fairchild FDB7090L and 2 are identical in performance. Where characteristics are interchangeable, channels 1 and 2 are referred and Y.) GATE STRONG DISCHARGE CURRENT ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers (Typical Operating Circuits Fairchild FDB7090L and 2 are identical in performance. Where characteristics are interchangeable, channels 1 and 2 are referred and Y.) STARTUP WAVEFORMS SLOW ...
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Low-Voltage, Dual Hot-Swap Controllers/Power PIN NAME MAX5904/ MAX5906– MAX5905 MAX5909 — 10 LIM2 GATE2 7 13 SENSE2 8 14 IN2 — 15 INC+ — 16 OUTC Detailed Description The MAX5904–MAX5909 are circuit breaker ICs for ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers Figure 1. MAX5906–MAX5909 Functional Diagram 10 ______________________________________________________________________________________ ...
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Low-Voltage, Dual Hot-Swap Controllers/Power ON PGOOD START PGDLY 4. GATE V OUT V SU,TH R SENSE I LOAD t ON Figure 2. Startup Waveforms Slow-Comparator Startup Period The slow comparator is disabled ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers V ON_,TH Figure 3. Power-Up with ON Pin Control (At Least One V 12 ______________________________________________________________________________________ t START t PGDLY is > IN_ UVLO Timing Diagrams GATE_ V OUT_ INTERNAL SIGNAL ...
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Low-Voltage, Dual Hot-Swap Controllers/Power OVERCURRENT CONDITION ≥ AND IN_ SENSE_ SC_TH < IN_ SENSE_ FC_TH Figure 4. Power-Down when an Overcurrent Fault Occurs SHORT-CIRCUIT CONDITION ≥ ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers UV/OV CONDITION Figure 6. Power-Down when an Undervoltage/Overvoltage Fault Occurs (MAX5906/MAX5907) UV/OV CONDITION Figure 7. Fault Report when an Undervoltage/Overvoltage Fault Occurs (MAX5908/MAX5909) 14 ______________________________________________________________________________________ Timing Diagrams (continued) MON_ GLITCH FILTER, 20µS DISCHARGE RATE DEPENDS ...
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Low-Voltage, Dual Hot-Swap Controllers/Power V UVLO t D,UVLO Figure 8. Power-Up with Undervoltage Lockout Delay (V ______________________________________________________________________________________ Timing Diagrams (continued) t START t PGDLY = 2.7V, the Other V is Below V ON IN_ UVLO Sequencers V IN_ V GATE_ ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers Output Voltage Monitor The MAX5905–MAX5909 monitor the output voltages with the MON1 and MON2 window comparator inputs. These voltage monitors are enabled after the startup period. Once enabled, the voltage monitor detects a fault if ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Table 2. Recommended n-Channel MOSFETs PART NUMBER MANUFACTURER IRF7413 International IRF7401 Rectifier IRL3502S MMSF3300 Motorola MMSF5N02H MTB60N05H FDS6670A NDS8426A Fairchild FDB8030L slow-comparator threshold is beneficial when operating with supply rails down to 1V because it allows ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers Q is the MOSFET total gate charge GATE I is the gate charging/discharging current GATE In this case, the inrush current depends on the MOSFET gate-to-drain capacitance (C ) plus any additional rss capacitance from ...
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Low-Voltage, Dual Hot-Swap Controllers/Power SLOW COMPARATOR 3ms 110µs 260ns V SC, SENSE VOLTAGE ( SENSE Figure 9. VariableSpeed/BiLevel Response R SENSE PULLUP IN SENSE MAX5906 PGOOD MAX5907 MAX5908 MAX5909 * ON ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers OFF GND Figure 11. Power Sequencing: Channel 2 Turns On t MAX5909 close to the card’s connector. Use a ground plane to minimize impedance and inductance. ...
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... IN IN SENSE GATE MAX590_ OPTIONAL COMPONENTS (SEE THE ON COMPARATOR SECTION). Figure 13. Using the MAX5904–MAX5909 on a Backplane PART MAX5904ESA/MAX5904USA MAX5905ESA/MAX5905USA MAX5906EEE/MAX5906UEE MAX5907EEE/MAX5907UEE MAX5908EEE/MAX5908UEE MAX5909EEE/MAX5909UEE ______________________________________________________________________________________ µP RESET Figure 14. Kelvin Connection for the Current-Sense Resistors REMOVABLE CARD WITH NO HOT-INSERTION Pin Configurations (continued) ...
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Low-Voltage, Dual Hot-Swap Controllers/Power Sequencers BACKPLANE REMOVABLE CARD GND V 2 BACKPLANE REMOVABLE CARD STAT GND V 2 *OPTIONAL COMPONENTS 22 ______________________________________________________________________________________ R SENSE1 0.1µF IN1 SENSE1 * ON * MAX5904 MAX5905 GND ...
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Low-Voltage, Dual Hot-Swap Controllers/Power (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages TOP VIEW FRONT VIEW ______________________________________________________________________________________ E H ...
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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. 24 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products Package Information (continued) ...