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Ordering number : ENN7345
Thick-Film Hybrid IC
STK404-100
One-Channel Class AB Audio Power Amplifier IC 60 W
Overview
The STK404-000 series products are audio power amplifier hybrid ICs that consist of optimally-designed discrete component power amplifier circuits that have been miniaturized using SANYO's unique insulated metal substrate technology (IMST). The adoption of a newlydeveloped low thermal resistance substrate allows this series of devices to be provided in miniature packages significantly more compact than earlier Sanyo products with similar specifications.
Package Dimensions
unit: mm 4199-SIP12
[STK404-100]
Features
· Series of pin compatible power amplifiers ranging from 45 W to 180 W (10%/1 kHz) devices. The same printed circuit board can be used depending on the output power grade. · Miniature packages -- 30 W to 40 W (THD = 0.4%, f = 20 Hz to 20 kHz); 44.0 mm × 25.5 mm × 8.5 mm * -- 50 W to 80 W (THD = 0.4%, f = 20 Hz to 20 kHz); 46.6 mm × 25.5 mm × 8.5 mm * -- 100 W to 120 W (THD = 0.4%, f = 20 Hz to 20 kHz); 59.2 mm × 25.5 mm × 8.5 mm * *: Not including the pins. · Output load impedance: RL = 6 · Allowable load shorted time: 0.3 seconds · Built-in thermal protection circuit · Supports the use of standby, muting, and load shorting protection circuits.
SANYO: SIP12
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
21504TN (OT) No. 7345-1/5
STK404-100 Series Organization These products are organized as a series based on their output capacity.
Item Output 1 (0.4%/20 Hz to 20 kHz) Output 2 (10%/1 kHz) Maximum supply voltage (6 ) Recommended supply voltage (6 ) Remarks Package Type No. STK404-050 30 W 45 W ±37 V ±26 V -- 44.0 mm × 25.5 mm × 8.5 mm STK404-070 40 W 60 W ±43 V ±30 V STK404-090 50 W 80 W ±46 V ±32 V STK404-100 60 W 90 W ±51 V ±35 V STK404-120 80 W 120 W ±59 V ±41 V STK404-130 100 W 150 W ±64 V ±45 V STK404-140 120 W 180 W ±73 V ±51 V
Built-in thermal protection circuit 46.6 mm × 25.5 mm × 8.5 mm 59.2 mm × 25.5 mm × 8.5 mm
Specifications
Maximum Ratings at Ta = 25°C
Parameter Maximum supply voltage (No signal) Maximum supply voltage Thermal sensor maximum voltage Thermal sensor maximum current Thermal resistance Junction temperature Operating IC substrate temperature Thermal sensor operating temperature *2 Storage temperature Allowable load shorted time *4 Symbol VCC max(0) VCC max(1) RL = 6 Vp Ip j -c Tj max Tc max Tp max Tstg ts VCC = ±35.0 V, RL = 6 , f = 50 Hz, PO = 60 W Between pins 1 and 4 Between pins 1 and 4 Per power transistor Both the Tj max and the Tc max conditions must be met. Conditions Ratings ±55 ±51 16 30 1.9 150 125 145 30 to +125 0.3 Unit V V V mA °C/W °C °C °C °C s
Operating Characteristics at Tc = 25°C, RL = 6 (noninductive load), Rg = 600 , VG = 30 dB
Parameter Symbol PO (1) PO (2) fL, fH ri VNO ICCO VN Rp Tp Conditions*1 VCC (V) ±35.0 ±35.0 ±35.0 ±35.0 ±42.0 ±42.0 ±42.0 Tp = 25°C, between pins 1 and 4 Rp = 4.7 k, between pins 1 and 4 1k f (Hz) 20 to 20 k 1k 1.0 1.0 Rg = 10 k No loading 100 0 470 145 PO (W) THD (%) 0.4 10 +0 3 dB min 60 90 20 to 20 k 55 1.2 50 +100 Ratings typ max Unit
Output power Frequency characteristics Input impedance Output noise voltage *3 Quiescent current Neutral voltage Thermal sensor resistance Thermal sensor temperature
W Hz k mVrms mA mV °C
Notes: 1. Unless otherwise noted, use a constant-voltage supply for the power supply used during inspection. 2. The thermal sensor temperature (+125 to +145°C) is designed to prevent incorrect operation, but does not guarantee continued operation of the hybrid IC. The total integrated time this device spends operating in the temperature range +125 to +145°C must not exceed 12 hours. 3. The output noise voltage values shown are peak values read with a VTVM. However, an AC stabilized (50 Hz) power supply should be used to minimize the influence of AC primary side flicker noise on the reading. 4. Use the transformer power supply circuit shown in the figure below for allowable load shorted time measurement and output noise voltage measurement. This IC is designed assuming that applications will provide a load-shorting protection function that operates within 0.3 seconds of the load being shorted and that either cuts off power to the IC or eliminates the load-shorted state in some other manner.
DBA40C
10000µF + 500 + 500 10000µF --VCC +VCC
Designated Transformer Power Supply (MG-250 equivalent)
No. 7345-2/5
STK404-100 Internal Equivalent Circuit
TR7
R1 TR6 R4 TR1 TR2 R5 R2 C1 TR5 TR3 TR4 D1 R3 C2 TR8
R6
PT1
SUB 1 2 3 4 5 6 7 8 9 10 11 12
ITF02223
Sample Application Circuit
STK404-100
1 1k IN 470pF + 2.2µF 56k 2 10µF 1.8k 3 4 100µF 5 100 / 1W + 100µF + 4.7k 6 7 8 9 10 + + 11 0.22 12 0.22 +12V +VCC --VCC 4.7 / 1W OUT 0.1µF 2.2µH 4.7 / 1W
10µF
+
56k
47µF
3pF
+ 4.7k
10µF
RL
ITF02224
No. 7345-3/5
STK404-100 Thermal Design Example The heat sink thermal resistance, c-a, required to handle the total power dissipated within this hybrid IC is determined as follows: Condition 1: The IC substrate temperature Tc must not exceed 125°C. Pd × c-a + Ta < 125°C ... (1) Ta: Guaranteed ambient temperature for the end product. Condition 2: The junction temperature of each transistor must not exceed 150°C. Pd × c-a + Pd/N × j-c + Ta < 150°C ... (2) N: Number of power transistors j-c: Thermal resistance per power transistor We take the power dissipation in the power transistors to be Pd evenly distributed across those N power transistors. If we solve for c-a in equations (1) and (2), we get the following inequalities: c-a < (125 Ta)/Pd ... (1)' c-a < (150 Ta)/Pd j-c/N ... (2)' Values that satisfy both these inequalities at the same time are the required heat sink thermal resistance values. Determining the following specifications allows us to obtain the required heat sink thermal resistance from inequalities (1)' and (2)': · Supply voltage: VCC · Load resistance: RL · Guaranteed ambient temperature: Ta Example: Assume that the IC supply voltage, VCC, is ±35 V, RL is 6 , and that the signal is a continuous sine wave. In this case, from the Pd PO characteristics, the maximum power will be 42 W for a signal with a frequency of 1 kHz. For actual music signals, it is usual to use a Pd of 1/8 of POmax, which is the power estimated for continuous signals in this manner. (Note that depending on the particular safety standard used, a value somewhat different from the value of 1/8 used here may be used.) That is: Pd = 28 W (when 1/8 POmax is 7.5 W) The number, N, of power transistors in the hybrid IC's audio amplifier block is 2. Since the thermal resistance, j-c, per transistor is 1.9°C/W, the required heat sink thermal resistance, c-a, for a guaranteed ambient temperature of 50°C will be as follows: From inequality (1)': c-a < (125 50)/28 < 2.68 From inequality (2)': c-a < (150 50)/28 1.9/2 < 2.62 Therefore, the thermal resistance that satisfies both these expressions at the same time is 2.62°C/W. Note that this thermal design example assumes the use of a constant-voltage power supply, and is only provided as an example for reference purposes. Thermal designs must be tested in an actual end product.
No. 7345-4/5
STK404-100 THD -- PO
Total device power dissipation, Pd -- W Tc=25°C VCC=±35V VG=30dB RL=6 Rg=600
2
60
Pd -- PO
Tc=25°C VG=30dB RL=6 Rg=600 f=1kHz
8V
5 7 1.0 2 3 5 7 10
Total harmonic distortion, THD -- %
1.0 7 5 3 2 0.1 7 5 3 2
40
30
20kHz
20
1kH
0.01 7 5 3 2 0.1
z
10
2
3
5 7 1.0
2
3
5 7 10
2
3
Output power, PO -- W
120
5 7 100 2 ITF02229
0 0.1
2
3
V CC =± 3
2
10 7 5 3 2
50
5V ±3 V ±32
3
Output power, PO -- W
120
5 7 100 ITF02230
PO -- VCC
Tc=25°C VG=30dB RL=6 Rg=600 THD=0.4%
Hz Hz 20k
PO -- f
VCC=±35V, RL=6 VG=30dB, Rg=600 Tc=25°C THD=10%
100
Output power, PO -- W
Output power, PO -- W
100
80
1k
60
80
THD=0.4%
40
20 24
26
28
30
32
34
36
38
40
Supply voltage, ±VCC -- V
60 10
2
3
5 7 100
2
3
5 7 1k
2
3
5 7 10k
2
3
ITF02231
Frequency, f -- Hz
ITF02232
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, 2004. Specifications and information herein are subject to change without notice. PS No. 7345-5/5