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| TK11041 TEMPERATURE SENSOR IC FEATURES s s s s s Linear Output Voltage 10 mV/C Output 4.5 to 10.0 V Supply Range Miniature Package (SOT-25) Minimum External Parts Count Low Power Consumption APPLICATIONS s s s s s s s s Home and Industrial Thermostats Automotive Climate Control Battery Charger Temperature Monitor Notebook Computer Temperature Monitor Electronic Thermometers Fish Finder Water Temperature Industrial Process Controllers Home Appliance Temperature Control DESCRIPTION The TK11041 is a temperature sensor IC with a linear output of 10 mV/C over the range of -30 to + 105 C. Its wide operating voltage range of 4.5 to 10.0 V makes it suitable for a number of applications requiring accurate temperature control, such as electronic thermostats for climate control, refrigerators, and industrial process controls. A typical application is to make a digital representation of temperature with an A/D converter, or to make a thermal detector with a comparator. The TK11041 has a compensation pin for a 0.1 F capacitor that ensures stability over the IC's operating temperature range. The TK11041 is available in a miniature SOT-25 surface mount package. BLOCK DIAGRAM VCC TK11041 VCC 01 S GND HS NC VOUT Note: Connect pin 2 to GND ORDERING INFORMATION TK11041M-1 Tape/Reel Code TEMPERATURE SENSOR X1 VOUT TAPE/REEL CODE TL: Tape Left January 1999 TOKO, Inc. Page 1 TK11041 ABSOLUTE MAXIMUM RATINGS Supply Voltage ......................................................... 12 V Operating Voltage .......................................... 4.5 to 10 V Power Dissipation (Note 1) ................................ 150 mW Junction Temperature ........................................... 150 C Storage Temperature Range ................... -55 to +150 C Operating Temperature Range ................. -30 to +105 C Lead Soldering Temperature (10 s) ...................... 235 C TK11041 ELECTRICAL CHARACTERISTICS Test Conditions: VCC = 5.0 V, IOUT = 0 A, TA = 25 C, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS TA = 25 C VOUT Output Voltage TA = 85 C TA = -30 C TC Line Reg Load Reg ICC IOUT Temperature Coefficient Line Regulation Load Regulation Supply Current Output Current TA = 25 C to 85 C VCC = 5 to 10 V IOUT = 0 to 100 A TA = 25 C VOUT 20 mV 9.2 -15 0 MIN 2.952 3.543 TYP 2.982 3.583 2.431 10.02 2 2 110 10.8 15 15 180 400 MAX 3.012 3.623 UNITS V V V mV/ C mV mV A A Note 1: Power dissipation is 150 mW when mounted as recommended. Derate at 1.2 mW/C for operation above 25 C. 3.78 3.58 OUTPUT (V) 3.23 2.98 2.73 2.53 -20 0 25 50 85 105 AMBIENT TEMPERATURE (C) FIGURE 1. OUTPUT CHARACTERISTICS Page 2 January 1999 TOKO, Inc. TK11041 TEST CIRCUIT VCC GND HS VCC + + 10 F VOUT NC 0.1 F Note: Connect pin 2 to ground TYPICAL PERFORMANCE CHARACTERISTICS VCC = 5 V, TA = 25 C, unless otherwise specified. OUTPUT VOLTAGE vs. SUPPLY VOLTAGE 3.02 200 3.00 VOUT (V) SUPPLY CURRENT vs. SUPPLY VOLTAGE 250 OUTPUT VOLTAGE vs. OUTPUT CURRENT 3.02 3.00 VOUT (V) 2.98 2.96 2.94 ICC (A) 150 100 50 2.98 2.96 2.94 0 0 2 4 6 8 10 0 2 4 6 8 10 0 200 400 600 800 1000 VCC (V) VCC (V) OUTPUT VOLTAGE vs. TEMPERATURE 5 +40 200 ICC (A) IOUT (A) LINEARITY ERROR vs. TEMPERATURE SUPPLY CURRENT vs. TEMPERATURE 250 VCC = 12 V VOUT (V) 4 3 2 1 VERR (mV) VERR = VOUT - VREAL +20 VREAL = 2.98 + (TA - 25) X 10 mV 0 -20 150 100 50 0 -40 0 40 TA (C) 80 120 VCC = 5 V -40 0 -40 0 40 TA (C) 80 120 -40 0 40 TA (C) 80 120 January 1999 TOKO, Inc. Page 3 TK11041 PACKAGE OUTLINE Marking Information Marking 41C SOT-25 (SOT-23-5) 0.7 TK11041 Marking 1.0 (0.6) 5 4 (0.6) 1.6 e 0.95 e' e 0.95 1.90 1 2 3 0.4 +0.15 -0.05 e 0.95 e 0.95 Recommended Mount Pad 0.1 M 2.9 1.4 max 1.1 (0.8) 0.15 - 0.05 0 - 0.1 +0.15 e1 2.4 0.3 0.1 Dimensions are shown in millimeters Tolerance: x.x = 0.2 mm (unless otherwise specified) Toko America, Inc. Headquarters 1250 Feehanville Drive, Mount Prospect, Illinois 60056 Tel: (847) 297-0070 Fax: (847) 699-7864 TOKO AMERICA REGIONAL OFFICES Midwest Regional Office Toko America, Inc. 1250 Feehanville Drive Mount Prospect, IL 60056 Tel: (847) 297-0070 Fax: (847) 699-7864 Western Regional Office Toko America, Inc. 2480 North First Street , Suite 260 San Jose, CA 95131 Tel: (408) 432-8281 Fax: (408) 943-9790 Eastern Regional Office Toko America, Inc. 107 Mill Plain Road Danbury, CT 06811 Tel: (203) 748-6871 Fax: (203) 797-1223 Semiconductor Technical Support Toko Design Center 4755 Forge Road Colorado Springs, CO 80907 Tel: (719) 528-2200 Fax: (719) 528-2375 Visit our Internet site at http://www.tokoam.com The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc. Page 4 (c) 1999 Toko, Inc. All Rights Reserved IC-227-TK11041 0798O0.0K 0 - 15 2.8 max January 1999 TOKO, Inc. Printed in the USA |
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