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| KV1470 VARIABLE CAPACITANCE DIODE FEATURES s s s s s Very Low Operating Voltage (1 to 4.5 V) Excellent Linearity (CV Curve) Large Capacitance Ratio (A1 = 5.0 minimum) Two Diodes in a Miniature Package (SOT23-3) Very Small Capacitance Deviation at Tape/Reel APPLICATIONS s FM Radio s Voltage Controlled Oscillator DESCRIPTION The KV1470 is a 5 volt range variable capacitance diode designed for FM tuner applications. It contains two elements housed in the miniature SOT23-3 surface mount package. CLASSIFICATION RANK C MIN C1 MAX 1 65.80 69.25 2 68.27 71.72 (Unit: pF) 3 70.74 74.20 20 P KV1470 3 ORDERING INFORMATION 1 2 KV1470 Tape/Reel Code TAPE/REEL CODE TL: Tape Left October 1999 TOKO, Inc. Page 1 KV1470 ABSOLUTE MAXIMUM RATINGS Reverse Voltage ....................................................... 18 V Forward Current .................................................... 50 mA Power Dissipation .............................................. 100 mW Storage Temperature Range ................... -55 to +150 C Operating Temperature Range ...................-55 to +85 C Lead Soldering Temperature (10 s) ...................... 235 C ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 C SYMBOL V REV IREV C1 C4.5 RS A PARAMETER Reverse Voltage Reverse Current Diode Capacitance 1 Diode Capacitance 4.5 Series Resistance Capacitance Ratio TEST CONDITIONS IREV = 10 A VREV = 10.0 V VREV = 1.0 V, f = 1 MHz VREV = 4.5 V, f = 1 MHz VREV = 1.5 V, f = 100 MHz C1 / C5 MIN 16 TYP MAX UNITS V 50 65.80 12.00 70.00 13.40 0.43 5.0 74.20 14.80 0.5 nA pF pF Note 1: Diode Capacitance measured with HP 4279A or equivalent instruments (at OSC level 20 mVrms, 5 mVrms). Note 2: Series Resistance measured with HP 4191A or equivalent instruments. Page 2 October 1999 TOKO, Inc. KV1470 TYPICAL PERFORMANCE CHARACTERISTICS CAPACITANCE vs. REVERSE VOLTAGE 200 100 CAPACITANCE (pF) TA = 25 C f = 1 MHz 10 n IREV (A) REVERSE CURRENT vs. REVERSE VOLTAGE 100 n TA = 85 C TA = 55 C 1n TA = 25 C 30 100 p 10 0 1 2 3 4 5 VREV (V) QUALITY FACTOR vs. REVERSE VOLTAGE 1000 TA = 25 C 10 p 0 2 4 6 8 10 12 14 16 VREV (V) SERIES RESISTANCE vs. FREQUENCY 0.7 VREV = 1.5 V TA = 25 C 0.5 f = 50 MHz Q 70 MHz 100 100 MHz RS () 10 0.3 0 1 2 3 4 5 50 100 f (MHz) 300 500 VREV (V) C (TA) vs. REVERSE VOLTAGE C (25 C) TA = +85 C +55 C +25 C -15 C -55 C f = 1 MHz C / TA (ppm/ C) TEMPERATURE COEFFICIENT vs. REVERSE VOLTAGE 1000 TA = -55 C to +85 C f = 1 MHz 1.08 1.06 1.04 C (TA) C (25 C) 1.02 1.00 0.98 0.96 0.94 0.92 0 1 2 3 4 5 VREV (V) 300 100 0 1 2 3 4 5 VREV (V) October 1999 TOKO, Inc. Page 3 KV1470 PACKAGE OUTLINE Marking Information 0.8 3 1.0 SOT23-3 Product Code Marking 2.4 F7 e 0.95 e 0.95 1 2 0.4 e 0.95 e 0.95 + 0.15 0.05 Recommended Mounting Pad 0.1 M 2.8 1.5 + 0.3 0.7 1.15 1.1 0 ~ 0.1 + 0.15 0.05 e1 0.5 2.8 + 0.3 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-xxx-KV1471E 0798O0.0K 0.16 October 1999 TOKO, Inc. Printed in the USA |
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