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參數(shù)資料
| 型號： | NCP1212 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Current Mode PWM Controller for Both Forward and Flyback Converters |
| 中文描述： | 電流模式PWM控制器正向和反激式轉(zhuǎn)換器 |
| 文件頁數(shù)： | 19/22頁 |
| 文件大?。?/td> | 200K |
| 代理商： | NCP1212 |
NCP1212
http://onsemi.com
19
Figure 43. Suggested Solution for Better Light Load Regulation
FB
+5 V
3 R
R
2
3
4
9 K
1
300 ns
LEB
S
Q
Q
Current
Limit
+
Output
+
Output
+
1 V
OSC
Block
Reset
Set
R
F/F
Output
CS
1
2
3
4
R2
100
3 K
0.1
Q2
PNP
VCC
R8
2.5 K
Q1
PNP
Totem Pole
Driver
The skip mode operation waveform at light load is shown in Figure 44. Where Channel 1 is the gate drive pin waveform and
Channel 2 is the CS input pin waveform.
Figure 44. Skip Mode Switching Waveform at Light Load
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NCP1212PG | Current Mode PWM Controller for Both Forward and Flyback Converters |
| NCP1212DR2 | Current Mode PWM Controller for Both Forward and Flyback Converters |
| NCP1212P | Current Mode PWM Controller for Both Forward and Flyback Converters |
| NCP1215(中文) | Low Cost Variable OFF Time Switched Mode Power Supply Controller(低成本可變關(guān)閉時(shí)間開關(guān)模式電源控制器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP1212/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current Mode PWM Controller for Both Forward and Flyback Converters |
| NCP1212_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Current Mode PWM Controller for Both Forward and Flyback Converters |
| NCP1212DR2 | 功能描述:電流型 PWM 控制器 High Performance RoHS:否 制造商:Texas Instruments 開關(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 |
| NCP1212DR2G | 功能描述:電流型 PWM 控制器 High Performance Current Mode PWM RoHS:否 制造商:Texas Instruments 開關(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 |
| NCP1212P | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 High Performance RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
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