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參數(shù)資料
| 型號(hào)： | ML4823CS |
| 廠(chǎng)商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 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, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁(yè)數(shù)： | 7/9頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | ML4823CS |
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.
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| ML4823IS | High Frequency Power Supply Controller |
| ML4823MJ | High Frequency Power Supply Controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ML4823CSX | 功能描述:電流型 PWM 控制器 Pwr Spply Controller High Frequency RoHS:否 制造商:Texas Instruments 開(kāi)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 |
| ML4823IP | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 Pwr Spply Controller High Frequency RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| ML4823IQ | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:High Frequency Power Supply Controller |
| ML4823IS | 功能描述:電流型 PWM 控制器 Pwr Spply Controller High Frequency RoHS:否 制造商:Texas Instruments 開(kāi)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 |
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