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Ordering number : ENN7245
Thick-Film Hybrid IC
STK412-010
Two-Channel Shift Power Supply Audio Power Amplifier ICs 70W + 70 W
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.
Package Dimensions
unit: mm 4196-SIP18
[STK412-010]
64.0 55.6 8.5
Features
* Pin compatible IC series that covers power ratings from 50 W x 2 channels to 180 W x 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 x 36.5x 8.5 mm* -- 150 W/ch to 180 W/ch (THD = 0.7%, f = 20 Hz to 20 kHz): 78 x 44x 9 mm* * Not including the IC pins. * Allowable load shorted time: 0.3 s
3.6
36.5
1
2.54 (6.21) 17x2.54=43.18
18
0.5 4.0 2.9 0.4 5.5
18.7
25.8
SANYO: SIP18
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, 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 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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
20703AS (OT) No. 7245-1/4
STK412-010 Series Organization These products are organized into a series based on their output power.
Parameter Output (20 Hz to 20 kHz) [THD] Maximum supply voltage, VH (No signal) Maximum supply voltage, VL (No signal) Recommended supply voltage, VH Recommended supply voltage, VL Recommended load impedance Package Type No. STK412-090 50 W + 50 W [0.8 %] 60 V 41 V 37 V 27 V STK412-000 STK412-010 STK412-020 STK412-030 STK412-040 STK412-150 STK412-170
60 W + 60 W 70 W + 70 W [0.8 %] [0.8 %] 65 V 42 V 39 V 29 V 69 V 44 V 43 V 30 V
80 W +80 W 100 W + 100 W 120 W + 120 W 150 W + 150 W 180 W + 180 W [0.8 %] [0.8 %] [0.8 %] [0.7 %] [0.7 %] 73 V 45 V 45 V 32 V 80 V 46 V 51 V 34 V 84 V 51 V 54 V 36 V 95 V 61 V 57 V 38 V 6 95 V 60 V 54 V 37 V 4
8 64 mm x 36.5 mm x 8.5 mm
78 mm x 44 mm x 9 mm
Specifications
Maximum Ratings at Ta = 25C
Parameter VH: Maximum supply voltage 1 (no signal) Symbol VH max(1) RL = 8, 6 RL = 4 RL = 8, 6 RL = 4 No load Per power transistor Both the Tjmax and Tcmax conditions must be met. Conditions Ratings 69 62 49 44 40 30 60 1.9 150 125 -30 to +125 VH = 43 V, VL = 30 V, RL = 8 , f = 50 Hz, PO = 70 W, one channel operating 0.3 Unit V V V V V V V C/W C C C s
VH: Maximum supply voltage 2 (signal present) VH max(2) VH: Maximum supply voltage 3 (signal present) VH max(3) VL: Maximum supply voltage 1 (no signal) VL: Maximum supply voltage 2 (signal present) VL: Maximum supply voltage 3 (signal present) VH-VL: Maximum supply voltage *4 Thermal resistance Junction temperature Operating IC substrate temperature Storage temperature Allowable load shorted time *3 VL max(1) VL max(2) VL max(3) VH-L max j-c Tj max Tc max Tstg ts
Operating Characteristics at Ta = 25C, RL = 8 , Rg = 600 , VG = 40 dB, VZ = 15 V, RL must be a noninductive load.
Parameter Symbol Test conditions *1 VCC (V) VH = 43 VL = 30 VH = 34 VL = 25 VH = 43 VL = 30 VH = 43 VL = 30 VH = 43 VL = 30 VH = 52 VL = 34 VH = 52 VL = 34 VH = 52 VL = 34 1k f (Hz) 20 to 20 k PO (W) THD (%) 0.8 RL = 4 min 70 Standard value typ max Unit
PO (1) Output power PO (2) Total harmonic distortion THD
W
1k
0.8
70
W
20 to 20 k
70
0.4
%
Frequency characteristics
fL, fH ri
1.0
+0 -3 dB
20 to 50 k
Hz
Input impedance Output noise voltage *2 Quiescent current
1.0
55
k
VNO ICCO VN
Rg = 2.2 k No load No load -70 0
1.0 30 100 +70
mVrms mA mA mV
Midpoint voltage
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).
No. 7245-2/4
STK412-010
*3. Use the transformer power supply specified in the figure below for allowable load shorted time and output noise voltage measurements. *4. Design circuits so that (|VH| - |VL|) is always less than 40 V when switching the power supply with the load connected. *5. Set up the VL power supply with an offset voltage at power supply switching (VL - LO) of about 8 V as an initial target.
DBA40C
10000F + 500 + 500 --VH 10000F +VH
DBA40C
10000F + 500 + 500 --VL 10000F +VL
Specified Transformer Power Supply (MG-250 equivalent)
Specified Transformer Power Supply (MG-200 equivalent)
Internal Equivalent Circuit
1 R41
TR41 13 TR9 TR1 TR2 D2 R3 TR6 C2 C1 TR3 R1 TR4 TR8 TR10 TR20 TR18 TR14 R14 TR19 R13 TR16 C12 C11 R11 TR13 D41 D43 2 D12 TR12 TR11 D42 Comparator 3
14 15
R4
R5 16 R6 TR5 R2 12 D1 TR7 R7 TR17 R17
R15 D51 R16 TR15 R12 Comparator TR51 D53 5
D52 4
7 R51 SUB 6
9
8
11
10
17
18
No. 7245-3/4
STK412-010 Sample Application Circuit
STK412-000 Series
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
*1
*1
*1
*1
56k
100pF
100pF
56k 3pF 3pF 100 /1W 100F /63V 100F /50V 100F /50V --VL --VH 100F /63V GZA 15X 1.5k /1W GZA 15X
33k 560 100F /10V 560 100F /10V 56k 56k
2.2F /50V
1k
Ch.2 IN 470pF GND 470pF Ch.1 IN
+VH +VL
2.2F /50V 3H
1k
100F /100V Ch.2 OUT 4.7 0.1F 4.7 /1W 4.7 /1W 0.1F
GND
1.5k /1W 100F /100V 100 /1W
*1:
GND Ch.1 OUT
3H
4.7
Cement resistor, 0.22 , 10% (5 W)
SUB.GND
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 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 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.
This catalog provides information as of February, 2003. Specifications and information herein are subject to change without notice. PS No. 7245-4/4

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