Ordering number: EN 1357D Monolithic Digital IC LB1640N Forward/Reverse Motor Driver with Brake Overview Package Dimensions The LB1640N is a motor driver IC with a forward/reverse control feature. This IC is optimal for driving motors used in front-loading VCRs and auto-reverse cassette decks. unit : mm 3046B-SIP10F [LB1640N] Features . Brake function on chip . Dash current absorption diode on chip . Broad operating voltage range (4 to 18 V) . Direct drive made possible by TTL SANYO : SIP10F Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC 20 V Input voltage VIN –0.3 to VCC 1.6 V Output current IOmax Allowable power dissipation Pd max t = 5 ms, with cycle time of 5 sec. or more A No heat sink 2.5 W When using heat sink ( 100 x 100 x 1.5 mm3 ) 7.0 W Operating temperature Topr –25 to +75 °C Storage temperature Tstg –55 to +125 °C Allowable Operating Ranges at Ta = 25 °C Parameter Symbol Ratings Unit Supply voltage VCC 4 to 18 V High-level input voltage VIH 3 to VCC V Low-level input voltage VIL –0.3 to +0.4 V IO –500 to +500 mA TOFF 10 or longer µs Output current Forward ↔ Reverse inhibit time SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 51695HA(II) No.1357-1/3 LB1640N Electrical Characteristics at Ta = 25 °C, VCC = VCC’ = 12 V Parameter Supply Current Symbol ICC VOH1 VOH2 VOL1 VOL2 VO1-VO2 VI High-level output voltage Low-level output voltage Interoutput voltage Input voltage Output leakage current Output VI1 or VI2 = 3 V , RL = ∞ , VCC = VCC’ = 16 V VI1 or VI2 = 3 V , IO = –300 mA VI1 or VI2 = 3 V , IO = –500 mA VI1 or VI2 = 3 V , IO = 300 mA VI1 or VI2 = 3 V , IO = 500 mA VI1 or VI2 = 3 V , IO = ±300 mA II = 500 µA VCC = VCC’ = 20 V VIN1 = VIN2 = 0 V, VO = 20 V or 0 V IO Leak min typ max 40 10.8 10.7 0.5 0.65 10.3 3 ±100 Unit mA V V V V V V µA Control Modes Input Output Remarks 1 2 1 2 0 0 — — Open 1 0 1 0 Forward 0 1 0 1 Reverse 1 1 0 0 Brake Equivalent Circuit Block Diagram Sample Application Circuit Input logic In brake mode (when inputs 1 and 2 are both ‘‘1’’) In forward mode (when input 1 or 2 is ‘‘1’’) Supply voltage, VCC- V High-level output voltage, VOH - V Supply current, ICC - mA Note: Do not use the NC pin. Output current, IO - A No.1357-2/3 Low-level output voltage, VOL - V Allowable power dissipation, Pd max - W LB1640N No heat sink Ambient temperature, Ta - °C Input current, IIN - µA Output current, IO - A Infinite heat sink Input voltage, VIN - V 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 loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 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: 2 Not impose any responsibility 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 May, 1995. Specifications and information herein are subject to change without notice. No.1357-3/3