Thick film thermal printhead (with thermal historical control) KD2003-DC72A DC72 series has our own internally developed heat-history control function. This product is best suited for applications which require 24 hours operation like factory production lines. zApplications High speed label printer High speed bar code printer High speed ticket printer Various high speed terminal printers zFeatures 1) Newly developed thick-film fast response thermal element and driver LSI with the function of thermal history control which is added the future history control are employed for this series. It is possible to print with super high speed of 10 inches / s or 250 mm / s. 2) 150km life realized by attributing durable new protection film. 3) New partial glaze construction makes it compatible with the thermal transfer application. zDimensions (Unit : mm) LABEL 3-M3(Effective Depth 3) 6.1±0.4 91 (5) 80(Effective Print Width) Dot #1 Dot #640 φ3H10 Length 4 (Effective Depth 3) DOT #640 40±0.3 20±0.3 (20.8) 25±0.5 60.5±0.3 17.8±0.2 7.3±0.3 Max.12 15.3±0.3 Ma x.φ 20 (3) Max.36 Max.45 20±0.2 20.5±0.3 Max.5.5 φ3H10 (Effective Depth 3) #2 #20 #1 CONNECTOR A #19 #6 #1 CONNECTOR B www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. ○ 1/3 2009.01 - Rev.A KD2003-DC72A Data Sheet zEquivalent circuit DOT #640 VH DOT #1 220µF 35V GND 0.1µF 50V #640 #257 #256 #1 VDD N.C. / STB2 / STB1 / RESET LATCH REGISTER CLKIN2 SHIFT REGISTER SHIFT REGISTER DI2 DO2 CLKOUT2 CLKIN1 DI1 DO1 / LOAD START INC To Each IC SEL2 SEL1 TM THERMISTOR 30kΩ B: 3950K TM CONNECTOR DI No. DOT No. CLK No. DOT No. DI2 640 to 385 / STB No. / STB2 640 to 385 CLKIN2 640 to 385 DI1 384 to / STB1 384 to CLKIN1 384 to DOT No. 1 1 1 Fig.1 zPin assignments CONNECTOR A CONNECTOR B No. Circuit No. Circuit No. Circuit 1 VDD 11 / RESET 1 VH (COM) 2 VDD 12 START 2 VH (COM) 3 SEL2 13 DO1 3 VH (COM) 4 SEL1 14 DO2 4 GND 5 CLKIN2 (CP) 15 TM 5 GND 6 NC 16 TM 6 GND 7 DI2 17 / STB2 8 DI1 18 / STB1 9 INC 19 CLKOUT2 10 / LOAD 20 CLKIN1 www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. ○ 2/3 2009.01 - Rev.A KD2003-DC72A Data Sheet zCharacteristics Parameter Symbol Typical Unit − 80 mm Dot pitch − 0.125 mm Total dot number − 640 dots Rave 550 Ω VH 24 V Effective printing width Average resistance value Applied voltage Applied power PO 0.80 W/dot SLT 0.49 ms Maximum number of dots energized simultaneously − 640 dots Maximum clock frequency − 8 MHz Maximum roller diameter − φ20.0 Running life / pulse life − 150/(1×10 ) km/pulses Operating temperature − 5 to 45 °C Print cycle mm 8 zData sheets 1.6 1.0 SLT : 0.82ms/line MAXIMUM ENERGY (mJ/dot) OPTICAL DENSITY Level1 0.9 1.4 1.2 1.0 0.8 0.6 0.4 Level2 0.8 0.7 Level3 0.6 0.5 Level4 0.4 Level5 Level6 0.3 0.2 0.2 0.1 0.0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.0 0 0.2 0.4 0.6 0.8 1.0 1.2 ENERGY (mJ/dot) SCANNING LINE TIME (ms/line) Fig.2 Representative density curve Fig.3 Maximum energy curve www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. ○ 3/3 1.4 2009.01 - Rev.A Appendix Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM CO.,LTD. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact your nearest sales office. ROHM Customer Support System www.rohm.com Copyright © 2009 ROHM Co.,Ltd. THE AMERICAS / EUROPE / ASIA / JAPAN Contact us : webmaster @ rohm.co. jp 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan TEL : +81-75-311-2121 FAX : +81-75-315-0172 Appendix-Rev4.0