KV1400 VARIABLE CAPACITANCE DIODE FEATURES APPLICATIONS ■ Excellent Linearity (CV Curve) ■ Large Capacitance Ratio (A = 2.10 minimum) with Very Low Series Resistance ■ Two Diodes in a Miniature Package (SOT23-3) ■ Very Small Capacitance Deviation at Tape/Reel ■ FM Electronic Tuning ■ Voltage Controlled Oscillator DESCRIPTION The KV1400 is an 8 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 1 2 3 4 5 MIN 69.13 71.08 73.09 75.15 77.27 MAX 71.23 73.24 75.30 77.43 79.61 C C2 (Unit: pF) KV1400 3 20 P ORDERING INFORMATION 1 2 KV1400 Tape/Reel Code TAPE/REEL CODE TL: Tape Left January 2000 TOKO, Inc. Page 1 KV1400 ABSOLUTE MAXIMUM RATINGS Reverse Voltage ........................................................ 18V 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 PARAMETER TEST CONDITIONS MIN V REV Reverse Voltage IREV = 10 µA IREV Reverse Current VREV = 15.0 V C2 Diode Capacitance 2 VREV = 2.0 V, f = 1 MHz 69.13 C3 Diode Capacitance 3 VREV = 3.0 V, f = 1 MHz C6 Diode Capacitance 6 C8 TYP MAX 17 UNITS V 10 nA 79.61 pF 57.71 64.63 pF VREV = 6.0 V, f = 1 MHz 33.56 39.18 pF Diode Capacitance 8 VREV = 8.0 V, f = 1 MHz 23.38 27.29 pF RS Series Resistance VREV = 3.0 V, f = 100 MHz 0.3 0.5 Ω A Capacitance Ratio C3 / C8 2.35 2.60 Note 1: Note 2: Note 3: Note 4: 2.10 74.37 Diode Capacitance measured with HP 4279A or equivalent instruments (at OSC level 20 mVrms, ± 5 mVrms). Series Resistance measured with HP 4191A or equivalent instruments. The tolerance of two adjacent parts on a reel is within 3% at C2, C3, C6, and C8. The value of capacitance is the average of 2 back to back type diodes. Page 2 January 2000 TOKO, Inc. KV1400 TYPICAL PERFORMANCE CHARACTERISTICS REVERSE CURRENT vs. REVERSE VOLTAGE CAPACITANCE vs. REVERSE VOLTAGE 200 1n TA = 25 °C f = 1 MHz TA = 85 °C 100 p IREV (A) CAPACITANCE (pF) 100 30 TA = 55 °C 10 p TA = 25 °C 1p 10 0 1 2 3 4 5 6 7 100 f 8 0 2 4 QUALITY FACTOR vs. REVERSE VOLTAGE SERIES RESISTANCE vs. FREQUENCY 0.5 TA = 25 °C VREV = 3 V TA = 25 °C 10 0.3 RS (Ω) Q f = 50 MHz 70 MHz 100 100 MHz 0 1 2 3 8 10 12 14 16 18 VREV (V) VREV (V) 1000 6 4 5 6 7 0.1 8 50 100 300 VREV (V) C (TA) C (25 °C) TEMPERATURE COEFFICIENT vs. REVERSE VOLTAGE 1000 TA = -55 °C to +85 °C f = 1 MHz f = 1 MHz 1.03 ∆C /∆ TA (ppm/ C) TA = +85 °C 1.02 C (TA) C (25 C) f (MHz) vs. REVERSE VOLTAGE 1.05 1.04 +55 °C 1.01 +25 °C -15 °C 1.00 0.99 -55 °C 0.98 500 300 0.97 0.96 0.95 0 1 2 3 4 5 VREV (V) January 2000 TOKO, Inc. 6 7 8 100 0 1 2 3 4 5 6 7 8 VREV (V) Page 3 KV1400 PACKAGE OUTLINE Marking Information SOT23-3 Product Code F0 Mark Recommended Mounting Pad + 0.10 0.15 0.05 0 ~ 0.1 1.1 + 0.1 M 0.1 1.3 max 0.10 0.4 + 0.05 2.8 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 © 1999 Toko, Inc. All Rights Reserved January 2000 TOKO, Inc. IC-xxx-KV1471E 0798O0.0K Printed in the USA