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CAT803LSDI-GT3 Datasheet(PDF) 1 Page - Catalyst Semiconductor |
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CAT803LSDI-GT3 Datasheet(HTML) 1 Page - Catalyst Semiconductor |
1 / 14 page © 2007 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Doc. No. 3004, Rev. X CAT803, CAT809, CAT810 3-Pin Microprocessor Power Supply Supervisors FeATureS Precision monitoring of +5.0V (-5%, -10%, -20%), +3.3V (-5%, -10%), +3.0V (-10%) and +2.5V (-5%) power supplies Offered in three output configurations: - CAT803: Open-Drain Active LOW reset - CAT809: Push-Pull Active LOW reset - CAT810: Push-Pull Active HIGH reset Direct replacements for the MAX803, MAX809 and MAX810 in applications operating over the industrial temperature range reset valid down to VCC = 1.0V 6µA power supply current Power supply transient immunity Industrial temperature range: -40ºC to +85ºC Available in RoHS-compliant SOT-23 and SC70 packages APPLICATIOnS Computers Servers Laptops Cable modems Wireless communications embedded control systems White goods Power meters Intelligent instruments PDAs and handheld equipment ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIOn The CAT803, CAT809, and CAT80 are supervisory circuitsthatmonitorpowersuppliesindigitalsystems.The CAT803, CAT809, and CAT80 are direct replacements for the MAX803, MAX809 and MAX80 in applications operating over the industrial temperature range. These devices generate a reset signal, which is asserted while the power supply voltage is below a preset threshold level and for at least 40 ms after the power supply level has risen above that level. The underlying floating gate technology, AE2(TM) used by Catalyst Semiconductor, makes it possible to offer any custom resetthresholdvalue.Sevenindustrystandardthreshold levels are offered to support +5.0V, +3.3V, +3.0V and +2.5V systems. The CAT803 has an open-drain RESET output (active LOW). The CAT803 requires a pull-up resistor on the reset output. The CAT809 features a push-pull RESET output (active LOW) and the CAT810 features a push-pull RESET output (active HIGH). Fast transients on the power supply are ignored and the output is guaranteed to be in the correct state at Vcc levels as low as .0V. The CAT803, CAT809, and CAT80 are available in both the compact 3-pin SOT-23 and SC70 packages. PIn COnfIGuRATIOn (CAT803) CAT809 (CAT810) GND RESET (RESET) VCC 3-Lead SOT23 3-Lead SC70 1 2 3 THRESHOLD SuffIX SELECTOR nominal Threshold Voltage Threshold Suffix Designation 4.63V L 4.38V M 4.00V J 3.08V T 2.93V S 2.63V R 2.32V Z for Ordering Information details, see page 11. |
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