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| ADVANCED INFORMATION ADVANCED INFORMATION FEATURES s s s s s Linear Output Voltage 10 mV/C Output 2.4 to 8.0 Volt Supply Range Miniature Package (SOT-23L) Minimum External Parts Count Low Power Consumption s s s s s s s s TK11044 TEMPERATURE SENSOR IC APPLICATIONS 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 TK11044 The TK11044 is a temperature sensor IC with a linear output of 10 mV/C over the range of -25 to + 105 C. Its wide operating voltage range of 2.4 to 8.0 volts 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 TK11044 has a compensation pin for a 0.1 F capacitor that insures stability over the IC's operating temperature range. The TK11044 is available in a miniature SOT 23L-6 surface mount package. VCC GND NC VOUT GND NC 20 P Note: Both GND pins must connect to GND BLOCK DIAGRAM VCC VCC VOUT ORDERING INFORMATION TEMPERATURE DETECTION CIRCUIT GND + GND TK11044M-1 Tape/Reel Code NC NC TAPE/REEL CODE TL: Tape Left May, 1998 TOKO, Inc. Page 1 TK11044 ADVANCED INFORMATION ABSOLUTE MAXIMUM RATINGS Supply Voltage ......................................................... 12 V Operating Voltage ............................................ 2.4 to 8 V Power Dissipation (Note 1) ................................ 200 mW Junction Temperature ........................................... 150 C Storage Temperature Range ................... -55 to +150 C Operating Temperature Range .................-25 to +105 C Lead Soldering Temp. (10 s) ................................. 235 C TK11044 ELECTRICAL CHARACTERISTICS Test Conditions: VCC = 3.0 V, IOUT = 0 A, TA = 25 C, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS TA = 25 C MIN 965 1573 TYP 995 1613 480 MAX 1025 1653 UNITS mV mV mV V OUT Output Voltage TA = 85 C TA = -25 C TC Line Reg Load Reg ICC IOUT Temperature Coefficient Line Regulation Load Regulation Supply Current Output Current TA = 25 C to 85 C V CC = 3 V to 5 V IOUT = 0 A to 400 A TA = 25 C VOUT 20 mV 9.5 -20 10.3 -5 3 160 11.1 20 20 200 400 mV/ C mV mV A A Note 1: Power dissipation is 200 mW when mounted as recommended. Derate at 1.6 mW/C for operation above 25 C. Page 2 May, 1998 TOKO, Inc. ADVANCED INFORMATION TEST CIRCUIT VCC TK11044 + VOUT COUT 0.1 F 10 F TYPICAL PERFORMANCE CHARACTERISTICS VCC = 3 V, IOUT = 0 A, TA = 25 C, unless otherwise specified. LINEARITY ERROR vs. TEMPERATURE 16 8 200 180 OUTPUT VOLTAGE vs. TEMPERATURE 2.0 1.5 VOUT (V) 1.0 0.5 0 -40 0 40 TA (C) 80 120 INPUT CURRENT vs. TEMPERATURE VERR (mV) ICC (A) -40 0 40 TA (C) 80 120 0 -8 -16 160 140 120 -40 0 40 TA (C) 80 120 INPUT CURRENT vs. INPUT VOLTAGE 200 180 ICC (A) 160 140 120 2 4 6 VCC (V) 8 10 20 10 0 -10 -20 2 LINE REGULATION 20 10 0 -10 -20 4 6 VCC (V) 8 10 0 LOAD REGULATION VERR (mV) VERR (mV) 100 200 IOUT (A) 300 400 May, 1998 TOKO, Inc. Page 3 TK11044 ADVANCED INFORMATION TYPICAL PERFORMANCE CHARACTERISTICS VCC = 3 V, IOUT = 0 A, TA = 25 C, unless otherwise specified. RIPPLE REJECTION RATIO A 80 60 RR (dB) 40 20 0 10 100 1k f (Hz) 10 k 100 k COUT = 0.1 F RR (dB) 80 60 40 20 0 RIPPLE REJECTION RATIO B 1.8 COUT = 0.1 F VOUT (V) 1.6 1.4 1.2 1.0 10 100 1k f (Hz) 10 k 100 k TEMPERATURE RESPONSE A 25 C TO 85 C Vrr = 100mVrms Vrr = 100mVrms 0 20 40 TIME (s) 60 80 TEMPERATURE RESPONSE B 1.2 1.0 VOUT (V) 0.8 25 C TO -30 C 0.6 0.4 0 20 40 TIME (s) 60 80 Page 4 May, 1998 TOKO, Inc. ADVANCED INFORMATION PACKAGE OUTLINE SOT 23L-6 TK11044 Marking Information Marking 44C TK11044 0.6 6 5 4 marking 1.0 1 e 2 e 0.95 3 0.32 5 PL 0.95 +0.15 - 0.05 0.1 M e 0.95 e 0.95 Recommended Mount Pad 3.5 +0.3 - 0.1 2.2 0.3 (3.4) 1.4 max e1 3.0 0 ~ 0.1 +0.15 - 0.05 0.1 0.15 + 0.3 3.3 Dimensions are shown in millimeters Tolerance: x.x = 0.2 mm (unless otherwise specified) 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. 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 15 max 0.4 1.2 Semiconductor Technical Support Toko Design Center 4755 Forge Road Colorado Springs, CO 80907 Tel: (719) 528-2200 Fax: (719) 528-2375 http://www.ictoko.com May, 1998 TOKO, Inc. (c) 1998 Toko, Inc. All rights reserved Printed in the USA IC-???-TK11044 Page 5 |
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