11707 ms im b8-7314 no.7815-1/7 LA6261 overview the LA6261 is a 6-channel driver ic that incorporates 4 channels of btl output and 2 channels of h-bridge output. it is optimal for the actuator driver for cds, mds, and other optical disk drives. features ? six power amplifier channels on a single chip (btl: 4 channles, h-bridge: 2 channels) ? i o max: 700ma (each channel) ? built-in level shifter ci rcuits (btl amplifier ) ? built-in thermal protection (thermal shutdown) circuit ? separate power supply for h-bridge (2 channels) ? onchip 3.3v regulator controller (uses an external output transistor) ? adjustment pin for the h-bridge output specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit supply voltage v cc max 14 v maximum output current i o max for each of the channel 1 to 6 0.7 a maximum input voltage v in b 13 v mute pin voltage v mute 13 v independent ic 0.8 w allowable power dissipation pd max mounted on the specified board * 2 w operating ambient temperature topr -30 to +85 c storage ambient temperature tstg -55 to +150 c * mounted on a specified board: 76.1mm 114.1mm 1.6mm, glass epoxy. recommended operating conditions at ta = 25 c parameter symbol conditions ratings unit supply voltage v cc 5.6 to 13 v ordering number : en7815a monolithic linear ic for optical disk drive 6-channel driver (btl: 4 channels, h bridge: 2 channels) any and all sanyo semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo semiconductor representative nearest you before using any sanyo semiconductor products described or contained herein in such applications. sanyo semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all sanyo semiconductor products described or contained herein.
LA6261 no.7815-2/7 electrical characteristics at ta = 25 c, v cc 1 = v cc 2 = 8v, v ref = 1.65v ratings parameter symbol conditions min typ max unit all blocks no-load current drain on i cc -on all outputs on *1, fwd=rev=0v 30 50 ma v ref input voltage range v ref -in 0.5 v cc -1.5 v btl amp output offset voltage v off btl amplifier, the voltage difference between each channel outputs -50 +50 mv input voltage range v in applied to pins v in 1 to v in 4 0 v cc v output voltage v o voltage between v o + and v o - for each channel when r l =8 ? *2 45 v closed-circuit voltage gain v g the gain from the input to the output 4 deg mute on voltage v mt on *3 2 sv cc v mute off voltage v mt off *3 0 0.5 v slew rate sr for the independent amplifier. times 2 when between outputs *4 0.5 v/ s h-bridge block output voltage v o -load voltage between v o + and v o - for each channel when r l =10 ? 6.2 6.7 v input low level v in -l 0 1 v input high level v in -h 2 sv cc v output setting voltage vcont voltage between v o + and v o - for each channel when vcont=3v and r l =10 ? 2.8 v regulator block output voltage vreg i l =100ma 3.05 3.3 3.55 v output load variation ? v rl i l =0 to 200ma -50 0 10 mv supply voltage variation ? vv cc v cc =6 to 12v, i l =100ma -15 21 60 mv *1: the total current dissipation for sv cc , pv cc 1, and pv cc 2 with no load *2: output in the saturated state *3: when the mute pin is high, the btl output will be on, and when low, the btl output will be off (hi impedance). *4: design guarantee value package dimensions unit : mm (typ) 3251 sanyo : hsop36r(375mil) (6.2) 36 1 19 18 0.8 2.0 17.8 0.3 (4.9) 2.7 0.65 0.25 (0.5) 7.9 10.5 (2.25) 2.45max 0.1 --30 0 100 0 3.0 2.5 ila06754 20 40 60 80 1.5 1.0 0.5 0.8 2.0 0.42 1.04 ambient temperature, ta - c allowable power dissipation, pd max - w pd max - ta independent ic mounted on a specified board mounted on a specified board : 76.1mm 114.3mm 1.6mm, glass epoxy
LA6261 no.7815-3/7 block diagram ila06744 1 ch3 ch2 ch1 voltage control amp 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 -- + -- + -- + -- + -- + -- + -- + -- + -- + -- + -- + -- + -- + -- + bandgap reference voltage buffer amp for 1 / 2 v cc buffer amp for v ref mode select tsd mode select pre drive pre drive 22k ? 22k ? 11k ? 11k ? 1k ? 1k ? 11k ? 11k ? 22k ? 22k ? 1k ? 1k ? sv cc btl ch6 ch5 ch4 -- +
LA6261 no.7815-4/7 pin description pin no. pin name description equivalent circuit diagram 1 v o 3+ channel 3 (btl) output (+) 2 v o 3- channel 3 (btl) output (-) 3 v o 2+ channel 2 (btl) output (+) 4 v o 2- channel 2 (btl) output (-) 5 v o 1+ channel 1 (btl) output (+) 6 v o 1- channel 1 (btl) output (-) 7 pgnd power system ground for channels 1 to 4 (btl) 9 pv cc 1 power system power supply for channels 1 to 4 (btl) (shorted to sv cc ) 35 v o 4+ channel 4 (btl) output (+) 36 v o 4- channel 4 (btl) output (-) 8 regin regulator (to the base of the external pnp transistor) 10 regout regulator (to the collector of the external pnp transistor) 11 v in 1 channel 1 input 12 v in 1g channel 1 input (gain adjustment) 13 v in 2 channel 2 input 14 v in 2g channel 2 input (gain adjustment) 15 v in 3 channel 3 input 16 v in 3g channel 3 input (gain adjustment) 17 v in 4 channel 4 input 18 v in 4g channel 4 input (gain adjustment) 19 fwd5 channel 5 output direction switching (fwd), h-bridge logic input 20 rev5 channel 5 output direction switching (rev), h-bridge logic input 22 fwd6 channel 6 output direction switching (fwd), h-bridge logic input 23 rev6 channel 6 output direction switching (rev), h-bridge logic input continued on next page. pin7 pin9 pin 1 to 6, 35, 36 pin 8 pgnd pv cc sv cc 100 ? 10k ? pin 10 pgnd pv cc 11k ? 1k ? 300 ? 300 ? pin 11, 13, 15, 17 pin 12, 14, 16, 18 pgnd pv cc pgnd sgnd pv cc 50k ? 50k ? pin 19, 20, 22, 23 pgnd pv cc sgnd
LA6261 no.7815-5/7 continued from preceding page. pin no. pin name description equivalent circuit diagram 21 vcont5 channel 5 output voltage setting 24 vcont6 channel 6 output voltage setting 25 v ref in reference voltage input 28 pv cc 2 power system power supply for for channels 5 and 6 (h-bridge) 30 pgnd2 power system ground for channels 5 and 6 (h-bridge) 31 v o 6+ channel 6 (h-bridge) output (+) 32 v o 6- channel 6 (h-bridge) output (-) 33 v o 5+ channel 5 (h-bridge) output (+) 34 v o 5- channel 5 (h-bridge) output (-) 29 mute btl mute signal input 26 sgnd signal system ground 27 sv cc signal system power supply (shorted to pv cc 1) truth table input output fwd5(6) rev5(6) v o 5(6)+ v o 5(6)- l l z z l h h l h l l h h h l l *z: hi-impedance pin 21, 24 pgnd pv cc pgnd sgnd pin 25 pgnd pv cc 300 ? 300 ? pin 31, 32 33, 34 pin 30 pin 28 pin 29 pgnd pv cc sgnd 100k ? 100k ?
LA6261 no.7815-6/7 sample application circuit ila06743 1 v o 3+ 2 v o 3-- 3 v o 2+ 4 v o 2-- v o 1+ 6 v o 1-- -- 7 pgnd1 8 regin 9 pv cc 1 10 regout input input input input input input 1.65v input 11 v in 1 12 v in 1g 13 v in 2 14 v in 2g 15 v in 3 v in 3g 16 v in 4 17 18 v in 4g v o 4-- v o 4+ v o 5-- v o 5+ v o 6-- v o 6+ pgnd2 mute pv cc 2 sgnd sv cc v ref in vcont6 rev6 fwd6 vcont5 rev5 fwd5 36 36 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 5 spindle motor sled motor loading motor changer motor tracking coil focus coil 3.3v regulated voltage m m m m + -- -- + + input input input -- +
LA6261 no.7815-7/7 ps this catalog provides information as of january, 2007. specifications and information herein are subject to change without notice. specifications of any and all sanyo semiconductor p roducts described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics , and functions of the described products as mounted in the customer's products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. sanyo semiconductor co., ltd. strives to supply high- quality high-reliability products. however, any and all semiconductor products fail with some probabili ty. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo semiconductor produ cts (including technical data,services) described or contained herein are controlled under any of applic able local export control laws and regulations, such products must not be exported without obtaining t he export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or trans mitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permi ssion of sanyo semiconductor co., ltd. any and all information described or contained he rein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the "d elivery specification" for the sanyo semiconductor product that you intend to use. information (including circuit diagrams and circu it parameters) herein is for example only; it is not guaranteed for volume production. sanyo semiconductor 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.
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