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| ADVANCED INFORMATION ADVANCED INFORMATION FEATURES s s s s s s Regulated Output to 2 % 5 mA Output Current Operating Range 1.8 to 8 V Enable Pin Miniature Package (SOT-23L-6) Standby Current (2 A) TK65018 CMOS SWITCHED CAPACITOR VOLTAGE CONVERTER WITH REGULATOR APPLICATIONS s s s s Voltage Inverter Negative Voltage Doubler Voltage Regulator Positive Voltage Doubler DESCRIPTION The TK65018 is a monolithic switched capacitor converter with regulation. With just two capacitors, the TK65018 can create a negative voltage supply with regulation. With no external timing elements, the converter will selfoscillate at 166 kHz, nominal. Quiescent current is typically 50 A. Standby current is guaranteed less than 2 A over the full operating temperature and input voltage ranges. The TK65018 is available in miniature SOT-23L-6 surface mount package. Customized levels of output voltages are available. The TK65018 is available with the following output voltages: -5.0 V, -4.1 V, -3.5 V, -3.0 V, -2.1 V, -1.5, -0.5 V. 20 P TK65018 ENABLE VIN GND CHI VOUT CLO BLOCK DIAGRAM VIN REF + DRIVE CHI ORDERING INFORMATION VOUT DRIVE TK65018M Tape/Reel Code Ext. Temp. Range (Opt.) OSC DRIVE DRIVE CLO EXT. TEMPERATURE RANGE (OPT.) I: -40 TO +85 C TAPE/REEL CODE TL: Tape Left ENABLE GND January 1999 TOKO, Inc. Page 1 TK65018 ADVANCED INFORMATION ABSOLUTE MAXIMUM RATINGS Supply Voltage VIN For Doubler Conf. ....................... 8 V Power Dissipation (Note 1) ................................ 400 mW Storage Temperature Range ................... -55 to +150 C Operating Temperature Range ........................ 0 to 70 C Junction Temperature .......................................... 125 C Lead Soldering Temperature (10 s) ..................... 300 C TK65018 ELECTRICAL CHARACTERISTICS Test conditions: VIN = 3.1 V, TA = Operating Temperature Range, unless otherwise specified. SYMBOL ICC VCC VLOSS fOSC VOUT Line Reg LoadReg ISW(MAX) ISTBY PARAMETER Supply Current Supply Voltage Range Voltage Loss (VIN - VOUT) Oscillator Frequency Regulated Voltage Line Regulation Load Regulation Maximum Switch Current Standby Current 2 V VIN 8 V TEST CONDITIONS ILOAD = 0 mA, VIN = 1.8 V ILOAD = 0 mA, VIN = 5.0 V VCC + |VOUT| 9 1.8 TBD TBD 166 VOUT 5 60 5 1 35 150 10 2 MI N TYP 50 100 MAX 75 125 8 UNITS A A V V V kHz V mV mV mA A Note 1: Power dissipation is 400 mW when mounted as recommended (200 mW in Free Air). Derated at 1.6 mW/C for operation above 25 C. . Page 2 January 1999 TOKO, Inc. ADVANCED INFORMATION TYPICAL PERFORMANCE CHARACTERISTICS TK65018 January 1999 TOKO, Inc. Page 3 TK65018 ADVANCED INFORMATION TYPICAL APPLICATIONS VIN VOUT = -2.1 ENABLE Ni-Cad 2 F 2 F FIGURE 1: REGULATING INVERTER VOUT VOUT VIN ENABLE 2 F 2 F FIGURE 2: DEREGULATING DOUBLER Page 4 January 1999 TOKO, Inc. ADVANCED INFORMATION PACKAGE OUTLINE TK65018 SOT-23L-6 0.4 6 5 4 Marking +0.15 - 0.05 Marking Information Marking xxx 0.1 M 0.6 TK65018 1.0 Product Code Voltage Code 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 (3.4) 2.2 0.3 1.4 max e1 3.0 0 - 0.1 +0.15 - 0.05 15 max 0.4 + 0.3 1.2 0.15 Dimensions are shown in millimeters Tolerance: x.x = 0.2 mm (unless otherwise specified) 3.3 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. January 1999 TOKO, Inc. (c) 1999 Toko, Inc. All Rights Reserved IC-xxx-TK65018 0798O0.0K Page 5 Printed in the USA |
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