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MAX16003 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX16003 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 26 page General Description The MAX16000–MAX16007 are low-voltage, quad-/hex-/ octal-voltage µP supervisors in small thin QFN and TSSOP packages. These devices provide supervisory functions for complex multivoltage systems. The MAX16000/ MAX16001/MAX16002 monitor four voltages, the MAX16003/MAX16004/MAX16005 monitor six voltages, and the MAX16006/MAX16007 monitor eight voltages. The MAX16000/MAX16001/MAX16003/MAX16004/ MAX16006 offer independent outputs for each moni- tored voltage. The MAX16001/MAX16002/MAX16004– MAX16007 offer a reset output that asserts whenever any of the monitored voltages fall below their respective thresholds or the manual reset input is asserted. The reset output remains asserted for the reset timeout after all voltages are above their respective thresholds and the manual reset input is deasserted. The minimum reset timeout is internally set to 140ms or can be adjust- ed with an external capacitor. All open-drain outputs have internal 30µA pullups that eliminate the need for external pullup resistors. However, each output can be driven with an external voltage up to 5.5V. Other features offered include a manual reset input, a tolerance pin for selecting 5% or 10% input thresholds, and a margin enable function for deasserting the outputs during margin testing. The MAX16001/MAX16002/MAX16004–MAX16007 offer a watchdog timer that asserts RESET or an indepen- dent watchdog output (MAX16005) when the watchdog timeout period (1.6s typ) is exceeded. The watchdog timer can be disabled by floating the input. These devices are offered in 12-, 16-, 20-, and 24-lead thin QFN and 16-lead TSSOP packages. These are fully specified from -40 °C to +125°C. Applications Storage Equipment Servers Networking/Telecommunication Equipment Multivoltage ASICs Features o Fixed Thresholds for 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, and 0.9V Systems o Adjustable Thresholds Monitor Voltages Down to 0.4V o Open-Drain Outputs with Internal Pullups Reduce the Number of External Components o Fixed 140ms (min) or Capacitor-Adjustable Reset Timeout o Manual Reset, Margin Enable, and Tolerance Select Inputs o Watchdog Timer 1.6s (typ) Timeout Period 54s Startup Delay After Reset (Except MAX16005) o Independent Watchdog Output (MAX16005) o RESET Output Indicates All Voltages Present o Independent Voltage Monitors o Guaranteed Correct Logic State Down to VCC = 1V o Small (4mm x 4mm) Thin QFN Package o TSSOP (5mm x 4.4mm) Package (MAX16005) Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors ________________________________________________________________ Maxim Integrated Products 1 MAX16005 GND µP TOL VCC SRT MR IN1 MARGIN VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 RESET WDI WDO RST I/O NMI IN2 IN3 IN4 IN5 IN6 Ordering Information Typical Operating Circuit 19-3870; Rev 3; 12/08 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. Note: The “_” is a placeholder for the input voltage threshold. See Table 1. + Denotes lead(Pb)-free/RoHS-compliant package. For tape-and-reel, add a “T” after the “+.” Tape-and-reel are offered in 2.5k increments. * EP = Exposed pad. Ordering Information continued at end of data sheet. PART TEMP RANGE PIN-PACKAGE MAX16000_TC+ -40 °C to +125°C 12 TQFN-EP* Selector Guide appears at end of data sheet. |
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