Low Voltage, High Accuracy, Triple/Quad Voltage Microprocessor Supervisory Circuit Data Sheet ADM6710 FEATURES FUNCTIONAL BLOCK DIAGRAM Accurate monitoring of up to four power supply voltages IN 1 ADM6710 5 factory set threshold options: 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V IN , V 2 CC Adjustable input threshold voltage = 0.62 V (1.5% accuracy) 200 ms typical reset timeout IN , 2 V CC RESET Open-drain output (10 A internal pull-up) RESET Reset output stage: active low, valid to IN = 1 V or IN = 1 V 200ms 1 2 TIMEOUT Low power consumption (35 A) IN 3 UVLO Power supply glitch immunity Specified from 40C to +125C 6-lead SOT-23 package IN 4 APPLICATIONS 0.62V REF Telecommunications Microprocessor systems Figure 1. Desktop and notebook computers Data storage equipment Servers/workstations GENERAL DESCRIPTION ADM6710Q) of typically 10 A. After all voltages rise above the The ADM6710 is a low voltage, high accuracy supervisory selected threshold level, the reset signal remains low for the circuit. The device monitors up to four system supply voltages. reset timeout period (200 ms typical). The ADM6710 incorporates a variety of internally pretrimmed The ADM6710 output remains valid as long as IN or IN undervoltage threshold options for monitoring 1.8 V, 2.5 V, 1 2 exceeds 1 V, whereas for the ADM6710Q, the output remains 3.0 V, 3.3 V and 5.0 V supply voltages. The ADM6710Q offers valid as long as V exceeds 2 V. three adjustable thresholds for monitoring voltages down to CC 0.62 V. See the Ordering Guide section for a list and description Unused monitored inputs must not be allowed to float or to be of all available options. grounded, instead they must be connected to a supply voltage greater than their specified threshold voltages. If a monitored power supply voltage falls below the minimum voltage threshold, a single active low output asserts, triggering a The ADM6710 is available in a 6-lead SOT-23 package. The system reset. The output is open-drain with a weak internal device operates over the extended temperature range of 40C pull-up to the monitored IN supply (or to V in the case of the 2 CC to +125C. Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 20072015 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Technical Support www.analog.com Trademarks and registered trademarks are the property of their respective owners. 06626-001ADM6710 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Typical Performance Characteristics ..............................................6 Applications ....................................................................................... 1 Theory of Operation .........................................................................8 Functional Block Diagram .............................................................. 1 Input Configuration ......................................................................8 General Description ......................................................................... 1 RESET Output Configuration .....................................................8 Revision History ............................................................................... 2 Addition Of Manual Reset ...........................................................8 Specifications ..................................................................................... 3 Outline Dimensions ..........................................................................9 Absolute Maximum Ratings ............................................................ 4 Ordering Guide .............................................................................9 ESD Caution .................................................................................. 4 Pin Configurations and Function Descriptions ........................... 5 REVISION HISTORY 11/15Rev. A to Rev. B Changes to Features Section and General Description Section ........ 1 Changes to Operating Voltage Range, VIN2 Parameter and RESET Output Low (V ) Parameter, Table 1 .............................. 3 OL Change to Storage Temperature Range Parameter and Operating Temperature Range Parameter, Table 2 ...................... 4 Changes to Figure 4, Figure 6, and Figure 9.................................. 6 Updated Outline Dimensions ......................................................... 9 Changes to Ordering Guide ............................................................ 9 10/10Rev. 0 to Rev. A Added Figure 17 ................................................................................ 9 6/07Revision 0: Initial Version Rev. B Page 2 of 12