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參數(shù)資料
| 型號： | ML4823CP |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Frequency Power Supply Controller |
| 中文描述： | 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 121K |
| 代理商： | ML4823CP |
ML4823
REV. 1.0 10/12/2000
7
SOFT START AND CURRENT LIMIT
The ML4823 employs two current limits. When the
voltage at I
LIM
/SD exceeds the I
LIM
REF threshold on I
LIM
REF, the outputs are immediately shut off and the cycle is
terminated for the remainder of the oscillator period by
resetting the RS flip flop.
If the output current is rising quickly (usually due to
transformer saturation) such that the voltage on pin 9
reaches 1.4V before the outputs have turned off, a soft
start cycle is initiated. The soft start capacitor is discharged
and outputs are held “off” until the voltage at SS reaches
1V, ensuring a complete soft start cycle. The duty cycle on
start up is limited by limiting the output voltage of the
error amplifier voltage to the voltage at the SS pin.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ML4823CQ | High Frequency Power Supply Controller |
| ML4823CS | High Frequency Power Supply Controller |
| ML4823IS | High Frequency Power Supply Controller |
| ML4823MJ | High Frequency Power Supply Controller |
| ML4824 | Power Factor Correction and PWM Controller Combo(功率因數(shù)校正器和PWM控制器組合芯片) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4823CP_Q | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Pwr Spply Controller High Frequency RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ML4823CQ | 功能描述:電流型 PWM 控制器 Pwr Spply Controller High Frequency 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 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ML4823CQX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4823CS | 功能描述:電流型 PWM 控制器 1MHZ SMPS 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 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ML4823CS_Q | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 1MHZ SMPS Controller RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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