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參數(shù)資料
| 型號(hào)： | UC3843P |
| 廠商： | Texas Instruments, Inc. |
| 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)： | 8/11頁 |
| 文件大小： | 96K |
| 代理商： | UC3843P |
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UC2843DR | Current Mode PWM Controller |
| UC2844BD1R2G | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
| UC2844BDR2 | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
| UC2844BN | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
| UC3844D | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC3843Q | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
| UC3843QTR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Current Mode PWM Controller |
| UC3843T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER |
| UC3843TD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER |
| UC3843TN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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