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L6451 Datasheet(PDF) 1 Page - STMicroelectronics |
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L6451 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 9 page L6451 28 CHANNEL INK JET DRIVER ADVANCE DATA 40V DMOS OUTPUT BREAKDOWN PRECISE OUTPUT ENERGY ESD OUTPUT PROTECTION WITH CLAMP- ING DIODES VERY LOW QUIESCENT CURRENT PLCC44 OR PQFP44 (10 x 10mm) DESCRIPTION The L6451 is realized in Multipower BCD Tech- nology which combines isolated DMOS power transistors with CMOS and Bipolar circuits on the same IC. By using mixed technology it has been possible to optimize the logic circuitry and the power stage to achieve the best possible perform- ances. Intended to be used in ink jet Printer Applications as 4 to 28 (2 x 14) lines selectable decoder/driver, the L6451 device driver has the advantages of low power CMOS inputs and logic, with 28 high current and high voltage DMOS outputs capable of sustaining a maximum of 40V. On system power up the output drivers are locked out using the chip enable function; two enable in- puts are available for the different driver banks. An internal power-on system is implemented in order to avoid wrong output commutation during the supply voltage transients. Using a mask option during manufacturing allows a different decoding. Control of the energy delivered to the print head is made by means of a special circuitry. All driver outputs are capable of withstanding a contact discharge of ±8kV with the IC biased. This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. May 1995 BLOCK DIAGRAM (case of 4 bit) PQFP44 PLCC44 MULTIPOWER BCD TECHNOLOGY 1/9 |
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