參數(shù)資料
型號: UC3842N
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SMPS Controller
中文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8
封裝: DIP-8
文件頁數(shù): 5/11頁
文件大?。?/td> 96K
代理商: UC3842N
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
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參數(shù)描述
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