MC642.REV3 ONSEMI | Alldatasheet

Document overview

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Technical content

Features

  • Integrated Temperature Sensor and Detector Operate from a Supply V oltage as Low as 2.7 V
  • Replaces Mechanical Thermostats and Switches
  • On-Chip Temperature Sense
  • 8-Pin SOIC for Direct PCB Mounting
  • 2 User-Programmable Temperature Set Points
  • 2 Independent Temperature Limit Outputs
  • Heat/Cool Regulate Output
  • Operating Temperature Range: -40°C to +85°C Typical Applications
  • CPU Thermal Management
  • System Over-or Under-Temperature Shutdown
  • Advanced Thermal Warning
  • Fan Speed Control Circuits
  • Accurate Appliance Temperature Sensing
  • Environmental Control SO-8 D SUFFIX CASE TBD PRELIMINARY INFORMATION Device Package Shipping

ORDERING INFORMATION

MC623DR2 8-Pin SOIC 2500 Tape/Reel PIN CONFIGURATION MC623D NC LOW SET HIGH SET GND VCC LOW LIMIT HIGH LIMIT CONTROL (Top View) http://onsemi.com

http://onsemi.com FUNCTIONAL BLOCK DIAGRAM MC623NC LOW SET HIGH SET GND Temp to Voltage Converter Vref Gen. Vref Gen. Vref Latch RS Q CONTROL HIGH LIMIT LOW LIMIT VCC1 R LOW < RHIGH MAXIMUM RATINGS* Rating Value Unit Package Power Dissipation (TA ≤ 70°C) 470 mW Derating Factors 6.0 mW/ °C Supply Voltage 5.5 V Input Voltage, Any Input (GND - 0.3) to (VDD + 0.3) V Operating Temperature Range -40 to +125 °C Maximum Chip Temperature 150 °C Storage Temperature Range -65 to +150 °C Lead Temperature (Soldering, 10 Seconds) +300 °C * Maximum Ratings are those values beyond which damage to the device may occur. ELECTRICAL CHARACTERISTICS (Over Operating Temperature Range, VDD = 2.7V to 4.5V, unless otherwise noted.) Characteristic Symbol Min Typ1 Max Unit Supply Voltage Range VDD 2.7 - 4.5 V Supply Current (2.7V ≤ VDD ≤ 4.5V) IDD - 150 250 µA Absolute Accuracy T = Programmed Temperature T-3 T±1 T+3 IOH = 250µA IOH = 500µA VOH 0.9 x VDD 0.8 x VDD V IOL = 500µA IOL = 1.0mA VOL - 0.1 x VDD 0.2 x VDD V Hysteresis (Falling Temperature) HYST - - -2.0 °C 1. Measured at 25°C.

http://onsemi.com PACKAGE DIMENSIONS 8-Pin SOIC PLASTIC PACKAGE CASE TBD ISSUE TBD 8 MAX. Dimensions: inches (mm) PIN 1 indicated by dot and/or beveled edge .157 (3.99) .150 (3.81) .244 (6.20) .228 (5.79) .050 (1.27) TYP. .197 (5.00) .189 (4.80) .018 (0.46) .014 (0.36) .010 (0.25) .004 (0.10) .069 (1.75) .053 (1.35) .050 (1.27) .016 (0.40) .010 (0.25) .007 (0.18)

http://onsemi.com ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. PUBLICATION ORDERING INFORMATION JAPAN : ON Semiconductor, Japan Customer Focus Center 2-9-1 Kamimeguro, Meguro-ku, Tokyo, Japan 153-0051 Phone : 81-3-5773-3850 ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative. MC623/D Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone : 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: ONlit@hibbertco.com N. American Technical Support: 800-282-9855 Toll Free USA/Canada