MAX6888BETE Maxim Integrated, MAX6888BETE Datasheet
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MAX6888BETE
Specifications of MAX6888BETE
Related parts for MAX6888BETE
MAX6888BETE Summary of contents
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... Adj * See thresholds options tables (Tables 1 and 2) for actual undervoltage and overvoltage thresholds. Selector Guides continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. o Hex/Quad Voltage Detectors ...
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... Hex/Quad, Power-Supply Supervisory Circuits ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND.) , RESET, OV, WDO .............................-0.3V to +6V IN1–IN6 WDI, MR, MARGIN ...................................................-0.3V to +6V BP .............................................................................-0.3V to +3V Input/Output Current (all pins)..........................................±20mA Continuous Power Dissipation (T = +70°C) A 16-Pin 5mm x 5mm Thin QFN (derate 20.8mW/°C above +70°C) ..............................1667mW Stresses beyond those listed under “ ...
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... Hex/Quad, Power-Supply Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued) = 2.7V to 5.8V, WDI = GND, MARGIN = – IN1 IN4 +25°C.) (Notes PARAMETER SYMBOL MR, MARGIN, WDI Input Voltage MR Input Pulse Width MR Glitch Rejection MR to RESET or OV Delay MR to Internal BP Pullup Current MARGIN to Internal BP Pullup ...
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... Hex/Quad, Power-Supply Supervisory Circuits = 5V, WDI = GND, MARGIN = – IN1 IN4 CC IN_ TO RESET OR OV PROPAGATION DELAY vs. TEMPERATURE 30 100mV OVERDRIVE -40 - TEMPERATURE (°C) MAXIMUM IN_ TRANSIENT vs. IN_THRESHOLD OVERDRIVE 200 175 150 125 100 PO_ ASSERTION OCCURS ...
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... Hex/Quad, Power-Supply Supervisory Circuits PIN NAME MAX6887 MAX6888 Manual Reset Input. Pull MR low to assert RESET. Connect MR to WDO to generate resets MR when the watchdog timer expires. Leave MR unconnected or connect to DBP if unused internally pulled through a 10µA current source. Margin Input. When MARGIN is pulled low, RESET is held in its existing state independent of subsequent changes in monitored input voltages or the watchdog timer expiration ...
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... Hex/Quad, Power-Supply Supervisory Circuits IN1 IN2 IN2 DETECTOR IN3 DETECTOR IN3 IN4 DETECTOR IN4 IN5 IN5 DETECTOR (N.C.) IN6 IN6 DETECTOR (N.C REFERENCE 1µF 2.55V LDO BP 1µF *FOR ADJUSTABLE INPUTS REFER TO THE ADJUSTABLE THRESHOLD INPUTS SECTION. 6 _______________________________________________________________________________________ *IN_ DETECTOR RESET TIMING BLOCK ...
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... Hex/Quad, Power-Supply Supervisory Circuits Detailed Description The MAX6887/MAX6888 provide several supply-detector inputs, one watchdog input, and three outputs for power- supply monitoring applications. The MAX6887 offers six voltage-detector inputs, while the MAX6888 offers four. Each voltage-detector input offers both an undervoltage and overvoltage threshold. ...
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... Hex/Quad, Power-Supply Supervisory Circuits detector input (IN1–IN6) to monitor a user-defined sup- ply voltage: ⎛ × ⎜ MON ⎝ where V is the desired voltage to be monitored. MON Use the following procedure to design the proper volt- age-divider and calculate thresholds: 1) Pick a value for R2 ...
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... Hex/Quad, Power-Supply Supervisory Circuits Table 2. MAX6888 Threshold Options PART IN1 MAX6888AETE 4.620 MAX6888BETE 4.620 MAX6888CETE 4.620 MAX6888DETE 3.060 MAX6888EETE 3.060 MAX6888FETE 3.060 MAX6888GETE 3.060 MAX6888HETE 3.060 MAX6888QETE 0.557 MAX6888IETE 4.380 MAX6888JETE 4.380 MAX6888KETE 4.380 MAX6888LETE 2.880 MAX6888METE 2.880 MAX6888NETE 2.880 MAX6888OETE 2 ...
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... Hex/Quad, Power-Supply Supervisory Circuits OVERVOLTAGE THRESHOLD V IN PRIMARY THRESHOLD OV RESET Figure 2. Output Timing Diagram 2. IN1–IN4 CC WDO RESET WDI D-PO RP WDI WDO NOT CONNECTED THE INITIAL WATCHDOG TIMER PERIOD WDI Figure 3. Watchdog, Reset, and Power-Up Timing Diagram ...
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... BP are internally generated voltages and should not be used to supply power to external circuitry. Chip Information PROCESS: BiCMOS ______________________________________________________________________________________ (see Figure 3). D-PO ) applies imme- WDI PART ) applies when- WD MAX6888AETE MAX6888BETE MAX6888CETE MAX6888DETE MAX6888EETE MAX6888FETE MAX6888GETE MAX6888HETE MAX6888QETE MAX6888IETE MAX6888JETE MAX6888KETE MAX6888LETE MAX6888METE MAX6888NETE ...
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... Hex/Quad, Power-Supply Supervisory Circuits TOP VIEW IN4 13 14 IN3 MAX6887 15 IN2 16 IN1 *EXPOSED PAD 1 2 THIN QFN *EXPOSED PAD CONNECTED TO GND. 12V DC-DC 1 DC-DC 2 DC-DC 3 IN1 IN2 MARGIN 12 ______________________________________________________________________________________ 9 8 I.C. 7 WDI 6 MARGIN DC-DC 4 1.5V IN3 IN4 IN5* IN6* OV WDO RESET MAX6887 ...
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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 ____________________ 13 © 2010 Maxim Integrated Products ...