MAX8555AEUB+ Maxim Integrated Products, MAX8555AEUB+ Datasheet
MAX8555AEUB+
Specifications of MAX8555AEUB+
Related parts for MAX8555AEUB+
MAX8555AEUB+ Summary of contents
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... Telecom Power Supplies Rectifiers Redundant Power Supplies in High-Availability Systems Typical Operating Circuit appears 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. MOSFET Controllers Simple, Integrated, and Inexpensive MOSFET Controllers ORing FET Drive for 0 ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers ABSOLUTE MAXIMUM RATINGS GATE to GND .........................................................-0.3V to +12V FAULT GND ...................................................-0.3V to +6V OVP, UVP, TIMER, CS+, CS- to GND .......-0. GND..................................................(V DD Continuous Power ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing ELECTRICAL CHARACTERISTICS (continued 12V 1.4V 1.5V CS- CS 0°C to +85°C, unless otherwise noted.) A PARAMETER TIMER TIMER Voltage TIMER Maximum Source Current V ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers ELECTRICAL CHARACTERISTICS (continued 12V 1.4V 1.5V CS- CS 0°C to +85°C, unless otherwise noted.) A PARAMETER OVERVOLTAGE PROTECTION OVP rising OVP Fault ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing ELECTRICAL CHARACTERISTICS (continued 12V 1.4V 1.5V CS- CS -40°C to +85°C, unless otherwise noted.) (Note 3) A PARAMETER TIMER TIMER Voltage TIMER Maximum Source ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers (V = 12V 1.5V 25kΩ CS+ TIMER +25° 2Ω in Figure 3, MAX8555A, unless otherwise noted.) GATE-CHARGE CURRENT vs. TIMER RESISTOR (V = 12V) ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing (V = 12V 1.5V 25kΩ CS+ TIMER +25° 2Ω in Figure 3, MAX8555A, unless otherwise noted.) POWER-UP AND DOWN WAVEFORMS USING TIMER V TIMER V GATE ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers PIN NAME FUNCTION Gate-Drive Output. Nominal GATE load is a 0.01µF capacitor to ground. Gate is discharged to GND in 1 GATE shutdown. 2 GND Ground Low-Voltage Optional Input Power. Leave disconnected ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing GATE VL CHARGE PUMP CLK VL CONTROL LOGIC FAULT I OSC TIMER 1.25V REF MAX8555/ (MAX8555A) V Figure 1. MAX8555/MAX8555A Functional Diagram _______________________________________________________________________________________ MOSFET Controllers 100mV (50mV) SHUTDOWN VOLTAGE SHARE REVERSE CURRENT FORWARD CURRENT ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers CS- + 10mV CS- CS- - 40mV/20mV CS- - 100mV/50mV V LATCH SET SHARE CS+ 4.1ms I FORWARD I REVERSE V = ((CS-) - CS+) < 0.1V/0.05V SHARE I = ((CS+) - ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing General Description Critical loads often employ parallel-connected power supplies with redundancy to enhance system reliability. The MAX8555/MAX8555A are highly integrated, inex- pensive MOSFET controllers that provide isolation and redundant power capability in high-reliability systems. ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers Table 1. Fault Modes FAULT MODE VL UVLO VL < VL UVP V Undervoltage Protection OVP V Overvoltage Protection V V Reverse-Current Protection GATE is on for > 2048 charge-pump cycles V ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing OUT+ R3 5kΩ INPUT SUPPLY R4 10kΩ OUT- Figure 3. Application Circuit for 12V IC Supply Voltage OUT+ R3 5kΩ INPUT SUPPLY R4 10kΩ OUT- Figure 4. Application Circuit for 5V IC Supply Voltage ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers Set the UVP Fault Threshold Use a resistor-divider from the input supply to GND with the center tap connected to UVP to set the undervoltage threshold. Use a 10kΩ resistor from UVP ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing OUT+ INPUT SUPPLY OUT- Chip Information TRANSISTOR COUNT: 2309 PROCESS: BiCMOS ______________________________________________________________________________________ MOSFET Controllers GATE CS 13.25V CS FAULT MAX8555/ UVP MAX8555A VL OVP TIMER GND Typical Operating Circuit OUTPUT: ...
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Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers (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 PIN 1 INDEX AREA NUMBER OF LEADS ...
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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 ____________________ 17 © 2004 Maxim Integrated Products ...