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| Ordering number : EN3517A Monolithic Digital IC LB1834M Low-Saturation Bidirectional Motor Driver for Low-Voltage Applications Overview The LB1834M is a low-saturation bidirectional motor driver IC (with brake function) for use in low-voltage applications. It is especially suited for use in portable equipment such as VCR, camera, radio cassette recorder. Package Dimensions unit: mm 3097-MFP16FS [LB1834M] Features * 2 motors drivable due to on-chip 1.5ch bridge driver of IO=1.0A drive current. * Capable of being operated from low voltage (2.5V min). * Low saturation voltage. * Low current dissipation at standby mode. * Logic power supply and motor power supply are separate. * Brake function (Pins OUT1, OUT2 provide BS terminal for forced brake by external transistors). * On-chip spark killer diodes. * Compact package (MFP-16FS). SANYO : MFP16FS Specifications Absolute Maximum Ratings at Ta=25C Parameter Maximum supply voltage Output supply voltage Input supply voltage GND pin flow-out current Allowable power dissipation Symbol VCC/VS max VOUT VIN IGND Pd 1 Pd 2 Operating temperature Storage temperature Topr Tstg IC only Mounted on specified board (40x30x1.5mm glass epoxy) -20 to +75 -40 to +125 C C 3 Conditions Ratings -0.3 to +8.0 -0.3 to VS+VSF -0.3 to +8.0 2 900 1350 Unit V V V A mW mW Allowable Operating Condition at Ta=25C Parameter Supply voltage Input high level voltage Input low level voltage Symbol VCC VS VIH VIL Conditions Ratings 2.5 to 7.0 2.2 to 7.0 2.0 to 7.0 -0.3 to +0.7 Unit V V V V SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN O2097HA (KT)/9260JK No.3517-1/3 LB1634M Electrical Characteristics at Ta=25C, VCC=VS=3V Parameter Supply current Symbol ICC0 ICC1 ICC2 Output saturation voltage (upper+lower) (each channel) Output supply voltage variation Output sustain voltage Input current [Spark killer diode] Reverse current Forward current IS(leak) VSF VCC, VS=7V IOUT=1A 10 1.7 A V VO(sus) IIN VO(sat) IOUT=1A (VCC=VS=3.5V) IO=500mA IOUT=1A VIN=2V, VCC=7V -20 9 100 0.95 0 1.4 +20 V % V A VO(sat) Conditions Standby ICC+IS Forward/reverse ICC+IS Brake ICC+IS IOUT=500mA Ratings min typ 0.1 30 30 0.45 max 10 40 45 0.7 Unit A mA mA V Block Diagram Note) Use one of th FRAME-GND pins for grounding. When the Cu-foild side is soldered, heat radiation can be more improved. Truth Table Input MI 0 L H L L L H H H MI 1 L L H L H H L H L L L H H L H H H L L L H L L H L H L L H Output MI 1 OUT 1 OUT 2 OUT 3 BS 1/2 Controller Bland : OFF Mode Standby Forward ch1 Reverse Brake Forward ch2 Reverse Brake No.3517-2/3 LB1634M Pin Assignment Allowable power dissipation, Pd max - W Mounted on specified board (40x30x1.5mm3 glass epoxy) IC only Ambient temperature, Ta - C No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property lose. Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibilty for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of October, 1997. Specifications and information herein are subject to change without notice. No.3517-3/3 |
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