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參數資料
| 型號： | MC33364DR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Critical Conduction GreenLine SMPS Controller |
| 中文描述： | SWITCHING CONTROLLER, 800 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | PLASTIC, SOIC-16/14 |
| 文件頁數： | 3/16頁 |
| 文件大小： | 170K |
| 代理商： | MC33364DR2 |
MC33364
http://onsemi.com
3
Figure 3. Timing Diagram in Fault Condition
0V
5V
15V
VT (3.5 to 6V)
Startup circuit turns
on when VCC reaches
the threshold VT
8.1V
Maximum drain current is
limited to 1.15V / Rsense
0A
Startup circuit is
charging the VCC
capacitor
Vref regulator turns on
when VCC reaches 15V
Switching starts when
Vref reaches 5V
Switching stops when
Vref falls below 3.7V
Reference Voltage, Vref
Drain Current
Vref falls faster than VCC
since Vref capacitor is much
smaller than VCC capacitor
Supply Voltage, VCC
Vref regulator turns
off when VCC falls
below 8.1 V
Startup circuit turns
off when VCC is 15V
Figure 4. Timing Diagram in Normal Condition
Maximum drain current is limited to 1.15V/ Rsense
Drain
Current
Secondary
Side Diode
Current
Criticial Mode
Discontinous Conduction Mode
LEB
Vin
Drain
Voltage
toff(min)
Output
Current
Voltage
at ZCD
ZCD is ignored during minimum off-time limit
0.7V
10V
No load
相關PDF資料 |
PDF描述 |
|---|---|
| MC33364D1R2 | Critical Conduction GreenLine SMPS Controller |
| MC33364D1 | 50mA Switched-Cap DC/DC Converter 8-MSOP |
| MC33364D2 | 50mA Switched-Cap DC/DC Converter 8-MSOP |
| MC33364D | 50mA Switched-Cap DC/DC Converter 8-MSOP |
| MC33364D2R2 | Critical Conduction GreenLine SMPS Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC33364DR2G | 功能描述:電流型 PWM 控制器 Variable Frequency SMPS RoHS:否 制造商:Texas Instruments 開關頻率: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 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MC33368D | 功能描述:功率因數校正 IC High Voltage PFC RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| MC33368DG | 功能描述:功率因數校正 IC High Voltage PFC w/Critical Mode RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| MC33368DG | 制造商:ON Semiconductor 功能描述:DC/DC Converter (DC-DC) / Switching Regu |
| MC33368DR2 | 功能描述:功率因數校正 IC High Voltage PFC RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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