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參數資料
| 型號： | L6732 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | LEAD FREE, HTSSOP-16 |
| 文件頁數： | 11/37頁 |
| 文件大?。?/td> | 898K |
| 代理商： | L6732 |
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L6732
Device description
19/37
other one will be the slave. The Slave controller will increase its switching frequency
reducing the ramp amplitude proportionally and then the modulator gain will be increased.
To avoid a huge variation of the modulator gain, the best way to synchronize two or more
devices is to make them work at the same switching frequency and, in any case, the
switching frequencies can differ for a maximum of 50 % of the lowest one. If, during
synchronization between two (or more) L6732, it's important to know in advance which the
master is, it's timely to set its switching frequency at least 15 % higher than the slave. Using
an external clock signal (fEXT) to synchronize one or more devices that are working at a
different switching frequency (fSW) it is recommended to follow the below formula:
Equation 5
The phase shift between master and slaves is approximately 180 °.
Figure 13.
Synchronization: PWM signal
Figure 14.
Synchronization: Inductor currents
SW
EXT
SW
f
≤
3
,
1
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| L6732_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification |
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| L6732C | 功能描述:DC/DC 開關控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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| L6732TR | 功能描述:DC/DC 開關控制器 VOLTAGE REGULATOR RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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