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參數(shù)資料
| 型號： | UC3842 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Current-mode PWM controller |
| 中文描述： | 電流模式PWM控制器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 96K |
| 代理商： | UC3842 |
Figure1 :
ErrorAmpConfiguration.
Error ampcan source or
sink up to0.5mA
Figure2 :
UnderVoltageLockout.
During Under-Voltage Lockout,the outputdriver is
biased to sink minor amounts of current. Pin 6
shouldbeshuntedto groundwitha bleederresistor
to preventactivatingthepowerswitchwithextrane-
ous leakagecurrents.
Figure3 :
Current SenseCircuit .
Peakcurrent (i
s
) is determinedby the formula
1.0V
I
S max
≈
R
S
A small RC filtermay be required to suppressswitch transients.
UC2842/3/4/5-UC3842/3/4/5
5/11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UC3842D | Current-mode PWM controller |
| UC3842N | Current-mode PWM controller |
| UC3843D | CURRENTMODE PWM CONTROLLER |
| UC3843N | CURRENTMODE PWM CONTROLLER |
| UC3844D | CURRENTMODE PWM CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC3842A | 制造商:FCI 制造商全稱:First Components International 功能描述:High Performance Current Mode Controller |
| UC3842A/D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:High Performance Current Mode Controller |
| UC3842A_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Current Mode Controllers |
| UC3842A_07 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Current Mode Controllers |
| UC3842A_11 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:CURRENT MODE PWM CONTROL CIRCUITS |
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