MAX8585EUA Maxim Integrated Products, MAX8585EUA Datasheet
MAX8585EUA
Specifications of MAX8585EUA
Available stocks
Related parts for MAX8585EUA
MAX8585EUA Summary of contents
Page 1
... Logic-Enable Input ♦ Adjustable Overvoltage and Undervoltage Trip Points ♦ Fault-Indicator Output ♦ Space-Saving 8-Pin µMAX Package , DS(ON) PART MAX8535EUA ® MAX8535AEUA MAX8536EUA MAX8585EUA Applications SILVER BOX OR RECTIFIERS Features Ordering Information TEMP RANGE PIN-PACKAGE -40°C to +85°C 8 µMAX -40°C to +85°C 8 µ ...
Page 2
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies ABSOLUTE MAXIMUM RATINGS GATE to GND (MAX8535/MAX8535A/MAX8585)...-0.3V to +28V V to GND (MAX8535/MAX8535A/MAX8585) .....-0.3V to +18V CC FAULT to GND CS, (MAX8535/MAX8535A/MAX8585) ......................-0.3V to +15V GATE to GND (MAX8536) ...
Page 3
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies ELECTRICAL CHARACTERISTICS (continued 12V (MAX8535/MAX8535A/MAX8585 0.01µ 0°C to +85°C, unless otherwise noted.) A PARAMETER SYMBOL Charge-Pump Switching Frequency TIMER TIMER Voltage TIMER ...
Page 4
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies ELECTRICAL CHARACTERISTICS (continued 12V (MAX8535/MAX8535A/MAX8585 0.01µ 0°C to +85°C, unless otherwise noted.) A PARAMETER SYMBOL Startup Reverse-Current Blank Time Forward-Current Threshold OVERVOLTAGE ...
Page 5
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies ELECTRICAL CHARACTERISTICS (continued 12V (MAX8535/MAX8535A/MAX8585 0.01µ -40°C to +85°C, unless otherwise noted.) (Note 1) A PARAMETER SYMBOL CHARGE-PUMP VOLTAGE Gate Voltage TIMER ...
Page 6
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies ELECTRICAL CHARACTERISTICS (continued 12V (MAX8535/MAX8535A/MAX8585 0.01µ -40°C to +85°C, unless otherwise noted.) (Note 1) A PARAMETER SYMBOL OVERVOLTAGE PROTECTION OVP Fault Threshold ...
Page 7
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies CS + 0.01V 0.03V LATCH SHARE 500ms I BLANKING REVERSE I FORWARD I REVERSE ...
Page 8
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies (V = 12V 25k , UVP = 2V, OVP = 1V TIMER GATE-CHARGE CURRENT vs. TIMER RESISTANCE ( + ...
Page 9
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies MAX8535 Typical Operating Characteristics (continued 12V 25k , UVP = 2V, OVP = 1V TIMER TIMER-ENABLED STARTUP AND SHUTDOWN WAVEFORMS (V = 12V, ...
Page 10
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies (V = 12V 25k , UVP = 2V, OVP = 1V TIMER GATE-CHARGE CURRENT vs. TIMER RESISTANCE ( + ...
Page 11
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies MAX8536 Typical Operating Characteristics (continued 12V 25k , UVP = 2V, OVP = 1V TIMER TIMER-ENABLED STARTUP AND SHUTDOWN WAVEFORMS (V = 5V, ...
Page 12
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies PIN NAME 1 GATE Gate Drive Output. Bypass GATE with a 0.01µF capacitor to ground. 2 GND Ground 3 V Power-Supply Input. Bypass V CC Undervoltage Input. Connect a ...
Page 13
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies for the MAX8536 is 12µA. Increasing the charge-pump frequency increases the GATE drive current. Adding a resistor from GATE to the gate of the external MOSFETs further increases turn-on ...
Page 14
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies Normally, the external MOSFET’s gate capacitance is sufficient to serve as a reservoir capacitor. If the MOSFETs are located at a significant distance from the MAX8535/MAX8536/MAX8585, place a local ...
Page 15
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies V V FAULT TIMER Figure 1. MAX8535/MAX8585 Functional Diagram V V FAULT TIMER Figure 2. MAX8536 Functional Diagram ______________________________________________________________________________________ GATE V CHARGE CC PUMP 400mV 30mV* CLK SHUTDOWN VOLTAGE ...
Page 16
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies OUT+ 53.6k SILVER BOX OR RECTIFIERS 10k OUT- Figure 3. Typical Application Circuit for 12V/20A Output with OVP and UVP OUT+ 13.3k SILVER BOX OR RECTIFIERS 10k OUT- Figure ...
Page 17
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies OUT+ SILVER BOX C1 OR 0.01 F, RECTIFIERS 50V C2 0.1 F, 16V OUT- Figure 5. Typical Application Circuit for 12V/20A Output without OVP and UVP ______________________________________________________________________________________ Q1 SUB75N03-04 ...
Page 18
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies V+ V CCA OUT+ R3A 53.6k SILVER BOX A R4A 10k OUT- V CCB OUT+ R3B 53.6k SILVER BOX B R4B 10k OUT- Figure Redundant ...
Page 19
ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies Pin Configuration TOP VIEW GATE 1 8 GND 2 7 MAX8535 MAX8536 UVP 4 MAX8585 5 MAX ______________________________________________________________________________________ TRANSISTOR COUNT: 3011 PROCESS: BiCMOS CS FAULT ...
Page 20
... 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. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2004 Maxim Integrated Products 4X S ...