EVAL-ADM1185EBZ Analog Devices Inc, EVAL-ADM1185EBZ Datasheet
EVAL-ADM1185EBZ
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EVAL-ADM1185EBZ Summary of contents
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FEATURES Powered from 2 5 the VCC pin Monitors 4 supplies via 0.8% accurate comparators Logical core with internal timeouts provides power supply sequencing and fault protection 4 inputs can be programmed to monitor different voltage ...
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ADM1185 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Applications Diagram ...................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 4 Thermal Resistance ...................................................................... 4 REVISION ...
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SPECIFICATIONS −40°C to +85°C, unless otherwise noted Table 1. Parameter VCC PIN Operating Voltage Range Supply Current, I VCC VIN1 TO VIN4 (VINx) PINS Input Current, I ...
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ADM1185 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 2. Parameter VCC Pin VINx Pins OUTx, PWRGD Pins Storage Temperature Range Operating Temperature Range Lead Temperature Soldering (10 sec) Junction Temperature Stresses above those listed under Absolute ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 GND Chip Ground Pin. 2 VIN1 Noninverting Input of Comparator 1. The voltage on this pin is compared with a 0.6 V reference. Can be ...
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ADM1185 TYPICAL PERFORMANCE CHARACTERISTICS 0.5 1.0 1.5 2.0 2.5 3.0 SUPPLY VOLTAGE (V) Figure 4. Supply Current vs. Supply Voltage VCC = 5V 30 ...
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OVERDRIVE 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 VOLTAGE (V) Figure 10. VIN1 to OUT1 Falling Delay vs. Supply Voltage 50 VCC = 3.3V, 100mV OVERDRIVE 40 30 ...
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ADM1185 100 1mA SINK 100µA SINK 0 1.0 1.5 2.0 2.5 3.0 3.5 SUPPLY VOLTAGE (V) Figure 16. Output Low Voltage vs. Supply Voltage 4.0 4.5 5.0 5.5 Rev ...
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THEORY OF OPERATION The operation of the ADM1185 is explained in this section in the context of the device in a voltage monitoring and sequencing application (see Figure 18). In this application, the ADM1185 monitors four separate voltage rails, turns ...
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ADM1185 VOLTAGE MONITORING AFTER POWER-ON Once PWRGD is asserted, the logical core latches into a different mode of operation. During the initial power-up phase, each output directly depends on an input (for example, VIN3 asserting causes OUT3 to assert). When ...
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V (RISING) T VIN1 OUT1 t PROP 190ms OUT2 OUT3 PWRGD Figure 20. Power-Up Waveforms VIN1 OUT1 OUT2 OUT3 PWRGD 190ms Figure 21. Waveforms Showing Reaction to a Temporary Low Glitch OUT1 1 OUT2 2 OUT3 3 PWRGD 4 CH1 ...
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ADM1185 CASCADING MULTIPLE DEVICES Multiple ADM1185 devices can be cascaded in situations where a large number of supplies must be monitored and/or sequenced. There are numerous configurations for interconnecting devices. The most suitable configuration depends on the application. Figure 23 ...
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... OUTLINE DIMENSIONS ORDERING GUIDE Model Temperature Range 1 ADM1185ARMZ-1 −40°C to +85°C 1 ADM1185ARMZ-1REEL7 −40°C to +85°C 1 EVAL-ADM1185EBZ RoHS Compliant Part. 3.10 3.00 2. 5.15 3.10 4.90 3.00 4.65 2. PIN 1 0.50 BSC 0.95 0.85 1.10 MAX 0.75 0.15 0.33 SEATING 0.23 0.05 PLANE 0 ...
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ADM1185 NOTES Rev Page ...
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NOTES Rev Page ADM1185 ...
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ADM1185 NOTES ©2007–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06196-0-6/09(B) Rev Page ...