參數(shù)資料
型號(hào)： TOP234Y
英文描述： 0-75 W Flyback design energy efficient
中文描述： 0-75糯反激式設(shè)計(jì)節(jié)能
文件頁數(shù)： 2/36頁
文件大?。?/td> 650K
代理商： TOP234Y
TOP232-234
2
B
7/01
Section List
Pin Functional Description
.........................................................................................................................................3
TOPSwitch-FX
Family Functional Description
.........................................................................................................4
CONTROL (C) Pin Operation .................................................................................................................................4
Oscillator and Switching Frequency .......................................................................................................................5
Pulse Width Modulator and Maximum Duty Cycle .................................................................................................5
Minimum Duty Cycle and Cycle Skipping ...............................................................................................................6
Error Amplifier.........................................................................................................................................................6
On-chip Current Limit with External Programability................................................................................................6
Line Under-Voltage Detection (UV) ........................................................................................................................6
Line Overvoltage Shutdown (OV) ...........................................................................................................................7
Line Feed Forward with DC
Reduction ..............................................................................................................7
Remote ON/OFF and Synchronization...................................................................................................................7
Soft-Start ................................................................................................................................................................8
Shutdown/Auto-Restart ..........................................................................................................................................8
Hysteretic Over-Temperature Protection ................................................................................................................8
Bandgap Reference................................................................................................................................................8
High-Voltage Bias Current Source..........................................................................................................................8
Using FREQUENCY and MULTI-FUNCTION Pins
.....................................................................................................9
FREQUENCY (F) Pin Operation.............................................................................................................................9
MULTI-FUNCTION (M) Pin Operation ....................................................................................................................9
Typical Uses of FREQUENCY (F) Pin
...................................................................................................................... 11
Typical Uses of MULTI-FUNCTION (M) Pin
.............................................................................................................12
Application Examples
...............................................................................................................................................14
A High Efficiency, 30 W, Universal Input Power Supply........................................................................................14
35 W Multiple Output Power Supply .....................................................................................................................15
17 W PC Standby Power Supply..........................................................................................................................16
Processor Controlled Supply Turn On/Off ............................................................................................................17
Key Application Considerations
..............................................................................................................................19
TOPSwitch-FX
vs.
TOPSwitch-ll...........................................................................................................................
19
TOPSwitch-FX
Design Considerations.................................................................................................................20
TOPSwitch-FX
Selection................................................................................................................................20
Input Capacitor...............................................................................................................................................20
Primary Clamp and Output Reflected Voltage V
.........................................................................................20
Output Diode ..................................................................................................................................................21
Soft-Start ........................................................................................................................................................21
EMI.................................................................................................................................................................21
Transformer Design........................................................................................................................................21
Standby Consumption....................................................................................................................................23
TOPSwitch-FX
Layout Considerations .................................................................................................................23
Primary Side Connections..............................................................................................................................23
Y-Capacitor.....................................................................................................................................................23
Heat Sinking...................................................................................................................................................23
Quick Design Checklist.........................................................................................................................................23
Design Tools .........................................................................................................................................................23
Product Specifications and Test Conditions
..........................................................................................................24
Typical Performance Characteristics
......................................................................................................................30
Package Outlines
......................................................................................................................................................34
相關(guān)PDF資料
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TOP232-234 Family Design Flexible,EcoSmart, Intergrated OFff-line Switcher
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TOP234YN 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 45W 85-265 VAC 75W 230 VAC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
TOP242 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Family Extended Power, Design Flexible,Integrated Off-line Switcher
TOP242-249 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Family Extended Power, Design Flexible,Integrated Off-line Switcher
TOP242-250 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
TOP242F 功能描述:IC OFFLINE SWIT UVLO HV TO262 RoHS:否 類別:集成電路 (IC) >> PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān) 系列:TOPSwitch®-GX 標(biāo)準(zhǔn)包裝:1 系列:FPS™ 輸出隔離:隔離 頻率范圍:61kHz ~ 73kHz 輸入電壓:8 V ~ 26 V 輸出電壓:650V 功率（瓦特）:12W 工作溫度:-40°C ~ 115°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-MDIP 包裝:Digi-Reel® 其它名稱:FSL206MRBNFSDKR
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