công cụ tìm kiếm bảng dữ liệu linh kiện điện tử
  Vietnamese  ▼
ALLDATASHEET.VN

X  

STK402-020 bảng dữ liệu(PDF) 4 Page - Sanyo Semicon Device

tên linh kiện STK402-020
Giải thích chi tiết về linh kiện  Two-Channel Class AB Audio Power Amplifier IC 40W 40W
Download  6 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
nhà sản xuất  SANYO [Sanyo Semicon Device]
Trang chủ  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

STK402-020 bảng dữ liệu(HTML) 4 Page - Sanyo Semicon Device

  STK402-020 Datasheet HTML 1Page - Sanyo Semicon Device STK402-020 Datasheet HTML 2Page - Sanyo Semicon Device STK402-020 Datasheet HTML 3Page - Sanyo Semicon Device STK402-020 Datasheet HTML 4Page - Sanyo Semicon Device STK402-020 Datasheet HTML 5Page - Sanyo Semicon Device STK402-020 Datasheet HTML 6Page - Sanyo Semicon Device  
Zoom Inzoom in Zoom Outzoom out
 4 / 6 page
background image
No. 7047-4/6
STK402-070
Thermal Design Example
The thermal resistance,
θc-a of the required heat sink for the power dissipation, Pd, within the hybrid IC is determined as
follows.
Condition 1: The IC substrate temperature, Tc, must not exceed 125°C.
Pd
× θc – a + Ta < 125°C ......... (1)
Ta: Guaranteed ambient temperature for the end product.
Condition 2: The junction temperature, Tj, of each power transistor must not exceed 150°C.
Pd
× θc – a + Pd/N × θj – c + Ta < 150°C ......... (2)
N: Number of power transistors
θc-a: Thermal resistance per power transistor
However, the power dissipation, Pd, for the power transistors shall be allocated equally among the N transistors.
The following inequalities results from solving equations (1) and (2) for
θc-a.
θc – a < (125 – Ta) /Pd .................. (1)’
θc – a < (150 – Ta) /Pd – θj – c/N ......... (2)’
Values that satisfy these two inequalities at the same time represent the required heat sink thermal resistance.
When the following specifications have been stipulated, the required heat sink thermal resistance can be determined from
formulas (1)’ and (2)’.
• Supply voltage — VCC
• Load resistance value — RL
• Guaranteed ambient temperature — Ta
[Example]
When the IC supply voltage, VCC, is ±30 V and RL is 6 Ω, the IC internal power dissipation, Pd, will be a maximum of
63 W for a continuous sine wave signal at 1 kHz, according to the Pd – PO characteristics.
For the music signals normally handled by audio amplifiers, a value of 1/8 PO max is generally used for Pd as an estimate
of the power dissipation based on this type of continuous signal. (Note that the factor used may differ depending on the
safety standards used.)
That is:
Pd = 42 W (When 1/8 PO max = 5 W)
The number of power transistors in the audio amplifier block of these hybrid ICs, N, is 4, and the thermal resistance per
transistor is 3.2°C/W. Therefore, the required heat sink thermal resistance for a guaranteed ambient temperature of 50°C
will be as follows.
From formula (1)’
θc – a < (125 – 50) /42
< 1.78
From formula (2)’
θc – a < (150 – 50) /42 – 3.2/4
< 1.58
Therefore, 1.58°C/W is the required heat sink thermal resistance.
Note that this thermal design example assumes the use of a constant-voltage power supply, and is therefore not a verified
design for any particular user's end product.


Số phần tương tự - STK402-020

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Sanyo Semicon Device
STK402-020 SANYO-STK402-020 Datasheet
62Kb / 5P
   Two-Channel Class AB Audio Power Amplifier IC 20 W 20 W
STK402-020 SANYO-STK402-020 Datasheet
54Kb / 5P
   Two-Channel Class AB Audio Power Amplifier IC 50 W 50 W
More results

Mô tả tương tự - STK402-020

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Sanyo Semicon Device
STK433-040-E SANYO-STK433-040-E Datasheet
228Kb / 11P
   2-channel class AB audio power IC, 40W40W
STK433-840N-E SANYO-STK433-840N-E Datasheet
270Kb / 12P
   4channel class-AB Audio Power IC 40W 횞 4ch
logo
Monolithic Power System...
EV7782DF-01A MPS-EV7782DF-01A Datasheet
370Kb / 6P
   40W Class D Stereo Bridged Audio Amplifier
logo
Sanyo Semicon Device
STK402-250 SANYO-STK402-250 Datasheet
108Kb / 4P
   Three-Channel Class AB Audio Power Amplifier IC
STK402-090 SANYO-STK402-090 Datasheet
54Kb / 5P
   Two-Channel Class AB Audio Power Amplifier IC 50 W 50 W
STK402-030 SANYO-STK402-030 Datasheet
62Kb / 5P
   Two-Channel Class AB Audio Power Amplifier IC 20 W 20 W
logo
STMicroelectronics
TDA2051 STMICROELECTRONICS-TDA2051 Datasheet
27Kb / 1P
   40W Hi-Fi AUDIO POWER AMPLIFIER
logo
Sanyo Semicon Device
STK404-230-E SANYO-STK404-230-E Datasheet
363Kb / 12P
   One-Channel Class AB Audio Power Amplifier IC 100W
STK404-200-E SANYO-STK404-200-E Datasheet
353Kb / 11P
   One-Channel Class AB Audio Power Amplifier IC 60W
STK4174MK2 SANYO-STK4174MK2 Datasheet
283Kb / 7P
   2 CHANNEL 40W POWER AMPLIFIER
More results


Html Pages

1 2 3 4 5 6


bảng dữ liệu tải về

Go To PDF Page


Link URL




Chính sách bảo mật
ALLDATASHEET.VN
Cho đến nay ALLDATASHEET có giúp ích cho doanh nghiệp của bạn hay không?  [ DONATE ] 

Alldatasheet là   |   Quảng cáo   |   Liên lạc với chúng tôi   |   Chính sách bảo mật   |   Trao đổi link   |   Tìm kiếm theo nhà sản xuất
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com