參數(shù)資料
型號(hào): UC3842B
廠商: 意法半導(dǎo)體
英文描述: HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
中文描述: 高性能電流模式PWM控制器
文件頁(yè)數(shù): 5/11頁(yè)
文件大?。?/td> 96K
代理商: UC3842B
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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UC3842BD 功能描述:電流型 PWM 控制器 52kHz 1A Current PWM RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14