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參數(shù)資料
| 型號： | tDa 4601 |
| 廠商： | SIEMENS AG |
| 英文描述： | Control ICs for Switched-Mode Power Supplies(應(yīng)用于開關(guān)電源的控制類芯片) |
| 中文描述： | 控制芯片的開關(guān)電源（應(yīng)用于開關(guān)電源的控制類芯片） |
| 文件頁數(shù)： | 21/26頁 |
| 文件大?。?/td> | 1384K |
| 代理商： | TDA 4601 |
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Semiconductor Group
27
TDA 4601
Notes on Application Circuit 5
Highly Stable Secondary Side
Power supplies for commercial purposes require highly constant low voltages and high currents
which, on the basis of the flyback converter principle, can be realized only under certain conditions,
but, on the other hand, are implemented for economical reasons. An electrically isolated flyback
converter with a highly stable secondary side must receive the control information from this
secondary side. There are only two possibilities for meeting this requirement: either through a
transformer which is magnetically isolated from the flyback converter or by means of an
optocoupler. The development of CNY 17 has enabled the manufacture of a component suitable for
electrical isolation and characterized by high reliability and long-term stability.
The IC TDA 4601-D is the sucessor of the TDA 4600-D. It is compatible with its predecessor in all
operational functions and in the control of a self-oscillating flyback converter. Pin 3 is the input for
the control information, where the latter is compared with the reference voltage prevailing at pin 1
and the control from the optocoupler and subsequently transformed into a frequency/pulse width
control.
The previous feedback and control information winding is not necessary. The feedback information
(zero passage) is obtained from winding 3/4 - supply winding. The time constant chain 330
/3.3 nF
and 330
/2.2 nF was implemented in series with 150
μ
H to prevent interference at pin 2. The LC-
element forms a series resonant circuit for overshoots of the flyback converter and short-circuits
them.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA4601-D | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Control ICs for Switched-Mode Power Supplies |
| TDA4605 | 功能描述:視頻 IC SMPS Controller RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TDA4605_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS |
| TDA46052 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TDA4605-2 | 功能描述:軟開關(guān) PWM 控制器 CTRL IC FOR SWITCH MODE PWR SUPPLIES RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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