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MAX16061_TP+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX16061_TP+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 18 page General Description The MAX16060/MAX16061/MAX16062 are 1% accurate, quad-/hex-/octal-voltage µP supervisors in a small thin QFN package. These devices provide supervisory func- tions for complex multivoltage systems. The MAX16060 monitors four voltages, the MAX16061 monitors six volt- ages, and the MAX16062 monitors eight voltages. These devices offer independent outputs for each mon- itored voltage along with a reset output that asserts whenever any of the monitored voltages fall below their respective thresholds (down to 0.4V) or the manual reset input is asserted. The reset output remains assert- ed 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 adjusted 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. An additional feature is a watchdog timer that asserts RESET when the watchdog timeout period (1.6s typ) is exceeded. The watchdog timer can be disabled by leaving WDI unconnected. These devices are offered in 16-, 20-, and 24-pin thin QFN packages (4mm x 4mm) and are fully specified from -40 °C to +125°C. Features o Fixed Thresholds for 3.3V, 2.5V, and 1.8V Systems o Adjustable Thresholds Monitor Low Voltages (Down to 0.4V) o 1% Accurate over Temperature 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 o Monitors Four (MAX16060), Six (MAX16061), or Eight (MAX16062) Voltages o RESET Output Indicates All Voltages Present o Independent Voltage Monitors o Guaranteed to Remain Asserted Down to VCC = 1V o Small (4mm x 4mm) Thin QFN Package 1% Accurate, Quad-/Hex-/Octal-Voltage µP Supervisors _ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ _ Maxim Integrated Products 1 MAX16061A GND μP TOL VCC SRT MR IN1 MARGIN VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 RESET WDI OUT1 RST I/O IN2 IN3 IN4 IN5 IN6 OUT2 OUT3 OUT4 OUT5 OUT6 Ordering Information Typical Operating Circuit 19-4099; Rev 0; 4/08 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. The MAX16060/MAX16061/MAX16062 are avail- able in factory-preset thresholds/configuration combinations. Choose the desired combination and complete part number from Table 1. + Denotes a lead-free package. For tape-and-reel, add a “T” after the “+.” Tape-and-reel are offered in 2.5k increments. * EP = Exposed pad. PART TEMP RANGE PIN-PACKAGE MAX16060_TE+ -40 °C to +125°C 16 TQFN-EP* MAX16061_TP+ -40 °C to +125°C 20 TQFN-EP* MAX16062_TG+ -40 °C to +125°C 24 TQFN-EP* Storage Equipment Servers Networking/Telecommun- ication Equipment Multivoltage ASICs Automotive Applications |
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