參數(shù)資料
型號: UC3842N
廠商: 意法半導(dǎo)體
英文描述: CURRENTMODE PWM CONTROLLER
中文描述: 電流模式的PWM控制器
文件頁數(shù): 8/11頁
文件大?。?/td> 96K
代理商: UC3842N
Figure11 :
Off-lineFlybackRegulator.
Power Supply Specifications
1. InputVoltage:
95 VAC to 130 VAC
(50Hz/60Hz)
3750V
40 KHz
2. LineIsolation:
3. SwitchingFrequency:
4. Efficiency@ FullLoad : 70 %
5. OutputVoltage:
A. + 5 V,
±
5% : 1 A to 4 A load
Ripple voltage: 50 mV P-P Max.
B. + 12 V,
±
3 % : 0.1A to 0.3A load
Ripple voltage: 100mV P-PMax.
C. – 12 V,
±
3 % : 0.1A to 0.3 A load
Ripple voltage: 100mV P-PMax.
Figure12 :
SlopeCompensation.
A fraction of the oscillator ramp can be resistively
summed with the current sense signal to provide
slope compensation for converters requiring duty
cycles over 50 %.
Note that capacitor,C, forms a filter with R
2
to su-
pressthe leadingedge switch spikes.
UC2842/3/4/5-UC3842/3/4/5
8/11
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UC3842N 制造商:Fairchild Semiconductor Corporation 功能描述:DC/DC Converter (DC-DC) / Switching Regu
UC3842NG4 功能描述:電流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 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
UC3842P 制造商:TI 制造商全稱:Texas Instruments 功能描述:Current Mode PWM Controller
UC3842Q 制造商:Rochester Electronics LLC 功能描述:- Bulk
UC3842QTR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller