MAX6886ETP Maxim Integrated, MAX6886ETP Datasheet
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MAX6886ETP
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MAX6886ETP Summary of contents
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... Factory Default Reset and Watchdog Timeout Periods o Margining Disable and Manual Reset Controls o -40°C to +85°C Operating Temperature Range o Small 5mm x 5mm 20-Pin Thin QFN Package o Few External Components o ±1% Threshold Accuracy PART MAX6886ETP+ + Denotes a lead(Pb)-free/RoHS-compliant package. 2 DC-DC 3 DC-DC 4 IN2 ...
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Pin-Selectable, Hex Power-Supply Supervisory Circuit ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND.) , RESET, SRT, SWT .............................-0.3V to +6V IN1–IN6 TH0–TH4, WDI, MR, MARGIN ..................................-0.3V to +6V DBP ..........................................................................-0.3V to +3V Input/Output Current (all pins)..........................................±20mA Continuous Power ...
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ELECTRICAL CHARACTERISTICS (continued) = 2.7V to 5.8V, WDI = GND, TH0–TH4 = MARGIN = MR = DBP – IN1 IN4 CC Typical values are +25°C.) (Notes PARAMETER SYMBOL MR, MARGIN, ...
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Pin-Selectable, Hex Power-Supply Supervisory Circuit = 5V, WDI = GND, TH0–TH4 = MARGIN = MR = DBP – IN1 IN4 CC IN1–IN4 SUPPLY CURRENT vs. IN1–IN4 SUPPLY VOLTAGE 1.00 0. +85°C A 0.90 0.85 ...
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WDI = GND, TH0–TH4 = MARGIN = MR = DBP – IN1 IN4 RESET OUTPUT PROPAGATION DELAY vs. TEMPERATURE 3.00 2.75 2.50 2.25 2.00 1.75 1.50 1.25 1.00 -40 -15 10 ...
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Pin-Selectable, Hex Power-Supply Supervisory Circuit PIN NAME 4 GND Ground Watchdog Timer Input. Logic input for the watchdog timer function. If WDI is not strobed with a valid low-to-high or high-to-low transition within the selected timeout period, RESET asserts. WDI ...
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Pin-Selectable, Hex Power-Supply IN1 IN2 IN2 DETECTOR IN3 IN3 DETECTOR IN4 IN4 DETECTOR IN5 IN5 DETECTOR IN6 IN6 DETECTOR VIRTUAL DIODES V CC REFERENCE 1µF 2.55V LDO DBP 1µF *SEE THE VOLTAGE-DETECTOR INPUTS (IN_) SECTION FOR ADJUSTABLE INPUTS. _______________________________________________________________________________________ *IN_ ...
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Pin-Selectable, Hex Power-Supply Supervisory Circuit Detailed Description The MAX6886 pin-selectable, multivoltage supply supervisor monitors six voltage-detector inputs and one watchdog input. RESET asserts when any of the config- ured input thresholds have been reached assert- ed, or the ...
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IN inputs only at power-up. Use the voltage-divider circuit of Figure 1 and Equation 1 to set the threshold for the user-adjustable inputs as described in the Voltage-Detector Inputs (IN_) section. Many microprocessor-based (µP) products require manual reset capability ...
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Pin-Selectable, Hex Power-Supply Supervisory Circuit Table 2. Threshold Options SELECTION TH4–TH0* IN1 1 11111 4.62 2 11110 4.62 3 11101 4.62 4 11100 4.62 5 11011 4.62 6 11010 4.62 7 11001 4.62 8 11000 4.62 9 10111 3.06 10 ...
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Margin Output Disable ( MARGIN allows system-level testing while power sup- plies exceed the normal operating ranges. Drive MARGIN low to hold RESET in its existing state while system-level testing occurs. Leave MARGIN uncon- nected or connect to DBP if ...
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Pin-Selectable, Hex Power-Supply Supervisory Circuit Set the RESET time delay by connecting a capacitor from SRT to GND using the following equation SRT 4 348 . x 10 where seconds and C is ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance. 13 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2012 Maxim Integrated Products ...