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CAT853STBI-T3 Datasheet(PDF) 1 Page - ON Semiconductor |
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CAT853STBI-T3 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 9 page © Semiconductor Components Industries, LLC, 2012 May, 2012 − Rev. 10 1 Publication Order Number: CAT853/D CAT853, CAT859, CAT863, CAT869 3-Pin Microprocessor Power Supply Supervisors Description The CAT853, CAT863, CAT859, and CAT869 are supervisory circuits that monitor power supplies in digital systems. These devices generate a reset signal, which is asserted while the power supply voltage is below a preset threshold level and for at least 140 ms after the power supply level has risen above that level. Industry standard threshold levels are offered to support +3.3 V or 5.0 V systems. The CAT859 and CAT869 feature a RESET push−pull output (active low) for the two pinout options. The CAT853 and CAT863 feature an open drain RESET output (active low). Both require a pull−up resistor on the RESET output. 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 1.0 V. Features • Precision Monitoring of +3.3 V (−5%, −10%), 5 V (−10% Power Supplies) • Active Low Reset Output • Reset Valid down to VCC = 1.0 V • 6 mA Power Supply Current • Power Supply Transient Immunity • Industrial Temperature Range: −40°C to +85°C • SOT−23 Package • These Devices are Pb−Free and are RoHS Compliant Applications • Computers, Servers, Laptops and Cable Modems • Wireless Communications • Embedded Control Systems • White Goods • Power Meters • Intelligent Instruments • PDAs and Handheld Equipment Table 1. THRESHOLD SUFFIX SELECTOR Nominal Threshold Voltage Threshold Suffix Designation 4.63 V L 4.38 V M 4.20 V F 4.00 V J 3.08 V T 2.93 V S 2.63 V R 2.40 V C 2.32 V Z http://onsemi.com PIN CONFIGURATION VCC RESET GND 1 See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet. ORDERING INFORMATION SOT−23 TB SUFFIX CASE 527AG 2 3 (Top Views) CAT853, CAT859 GND RESET VCC 1 2 3 CAT863, CAT869 XXXMG G XXX = Specific Device Code M = Date Code G = Pb−Free Package MARKING DIAGRAM (*Note: Microdot may be in either location) |
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