ordering number : enn7250 20703as (ot) no. 7250-1/4 overview the stk412-000 series are class h audio power amplifier hybrid ics that feature a built-in shift power supply circuit. these ics provide high efficiency audio power amplification by controlling (switching) the supply voltage supplied to the power transistors according to the detected level of the input audio signal. features ? pin compatible ic series that covers power ratings from 50 w 2 channels to 180 w 2 channels at 0.7 or 0.8% thd, 20 hz to 20 khz. this allows the use of a common pcb for all output classes. ? the pin arrangement is also unified with that of the three-channel stk413-000 series. this means that pcbs designed for three-channel models can also be used for two-channel models. ? miniature package 50 w/ch to 120 w/ch (thd = 0.8%, f = 20 hz to 20 khz): 64 36.5 8.5 mm* 150 w/ch to 180 w/ch (thd = 0.7%, f = 20 hz to 20 khz): 78 44 9 mm* * not including the ic pins. ? allowable load shorted time: 0.3 s package dimensions unit: mm 4086a-sip22 78.0 70.0 3.6 (8.33) 2.54 0.5 2.9 9.0 0.4 5.5 21.5 44.0 26.5 4.0 22 1 sanyo: sip22 [STK412-150] STK412-150 sanyo electric co.,ltd. semiconductor company tokyo office tokyo bldg., 1-10, 1 chome, ueno, taito-ku, tokyo, 110-8534 japan two-channel shift power supply audio power amplifier ics 150w + 150 w thick-film hybrid ic any and all sanyo 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, aircrafts control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo representative nearest you before using any sanyo products described or contained herein in such applications. sanyo 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 products described or contained herein.
no. 7250- 2 /4 STK412-150 parameter type no. stk412-090 stk412-000 stk412-010 stk412-020 stk412-030 stk412-040 STK412-150 stk412-170 output (20 hz to 20 khz) 50 w + 50 w 60 w + 60 w 70 w + 70 w 80 w +80 w 100 w + 100 w 120 w + 120 w 150 w + 150 w 180 w + 180 w [thd] [0.8 %] [0.8 %] [0.8 %] [0.8 %] [0.8 %] [0.8 %] [0.7 %] [0.7 %] maximum supply voltage, v h 60 v 65 v 69 v 73 v 80 v 84 v 95 v 95 v (no signal) maximum supply voltage, v l 41 v 42 v 44 v 45 v 46 v 51 v 61 v 60 v (no signal) recommended supply voltage, 37 v 39 v 43 v 45 v 51 v 54 v 57 v 54 v v h recommended supply voltage, 27 v 29 v 30 v 32 v 34 v 36 v 38 v 37 v v l recommended load impedance 8 6 4 package 64 mm 36.5 mm 8.5 mm 78 mm 44 mm 9 mm series organization parameter symbol conditions ratings unit v h : maximum supply voltage 1 (no signal) v h max(1) 95 v v h : maximum supply voltage 2 (signal present) v h max(2) r l = 6 or greater, 150w, 50 ms 85 v v l : maximum supply voltage 1 (no signal) v l max(1) 61 v v l : maximum supply voltage 2 (signal present) v l max(2) r l = 6 or greater, 150w, 50 ms 55 v v h -v l : maximum supply voltage * 4 v h-l max no load 60 v thermal resistance q j-c per power transistor 1.4 c/w junction temperature tj max both the tjmax and tcmax conditions must be met. 150 c operating ic substrate temperature tc max 125 c storage temperature tstg C30 to +125 c allowable load shorted time * 3 ts v h = 57 v, v l = 38 v, r l = 6 , f = 50 hz, p o = 150 w, 0.3 s one channel operating specifications maximum ratings at ta = 25 c these products are organized into a series based on their output power. parameter symbol test conditions * 1 standard value unit v cc (v) f (hz) p o (w) thd (%) min typ max output power p o v h = 57 20 to 20 k 0.7 150 w v l = 38 total harmonic distortion thd v h = 57 20 to 20 k 150 0.4 % v l = 38 frequency characteristics f l , f h v h = 57 1.0 +0 C3 db 20 to 50 k hz v l = 38 input impedance ri v h = 57 1 k 1.0 55 k v l = 38 output noise voltage * 2 v no v h = 68 rg = 2.2 k 1.0 mvrms v l = 46 quiescent current i cco v h = 68 no load 70 ma v l = 46 no load 100 ma midpoint voltage v n v h = 68 C70 0 +70 mv v l = 46 operating characteristics at ta = 25 c, r l = 6 , rg = 600 , vg = 30 db, v z = 18 v, r l must be a non- inductive load. notes: * 1. unless otherwise specified, a constant-voltage power supply must be used during inspection. * 2. the output noise voltage rating gives the peak value read by an averaging vtvm. however, to eliminate the influence of flicker noise from the ac primary side line, use an ac stabilized power supply (50 hz). * 3. use the transformer power supply specified in the figure below for allowable load shorted time and output noise voltage measure ments. * 4. design circuits so that (|v h | - |v l |) is always less than 40 v when switching the power supply with the load connected. * 5. set up the v l power supply with an offset voltage at power supply switching (v l - l o ) of about 11v as an initial target.
no. 7250- 3 /4 STK412-150 internal equivalent circuit tr3 tr6 tr2 tr1 r3 tr7 r8 r4 c2 c1 r7 r2 tr5 tr4 13 15 9 16 12 8 1 1 10 19 20 21 22 17 18 tr9 tr10 tr12 tr24 tr22 r5 r6 tr8 d1 d2 n.c. d6 tr15 tr18 tr14 tr21 tr23 tr1 1 tr13 tr31 r13 r31 r14 r24 r20 r22 r23 r27 r26 r15 r16 c4 c3 tr19 r18 r17 r12 tr17 tr32 tr16 tr20 d7 d31 d3 d32 d34 d36 d35 d33 1 2 5 4 6 14 comparator r32 comparator 3 sub 7 current limiter for rl-short current limiter for rl-short 10000 f 10000 f dba40c 500 500 +v h - -v h + + 10000 f 10000 f dba40c 500 500 +v l - -v l + + specified transformer power supply (mg-250 equivalent) specified transformer power supply (mg-200 equivalent)
ps no. 7250- 4 /4 STK412-150 this catalog provides information as of february, 2003. specifications and information herein are subject to change without notice. specifications of any and all sanyo products 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 customers 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 customers products or equipment. sanyo electric co., ltd. strives to supply high-quality high-reliability products. however, any and all semiconductor products fail with some probability. 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 products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted 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 permission of sanyo electric co., ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the delivery specification for the sanyo product that you intend to use. 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. sample application circuit stk412-000 ser ies * 1 * 1 * 1 * 1 - -v l +v h - -v h +v l gnd 33k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 22 21 20 19 gnd gnd 100 f /100v 100 f /100v 100 f /63v 100 f /63v 100 f /100v 100 f /100v 2.2 f /50v 2.2 f /50v 470pf 220pf n.c . 220pf 470pf 0.1 f 1.8k 1.8k 100 f /10v 100 f /10v 3pf 56k 3.3k /1w 3.3k /1w gza 18y gza 18y 100 /1w 100 /1w 3pf 56k 1k 1k ch.2 in 56k 56k ch.1 in ch.1 out ch.2 out 3 h 3 h 4.7 4.7 4.7 /1w 0.1 f 4.7 /1w sub .gnd * 1: cement resistor, 0.1 , 10% (5 w)
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