參數(shù)資料
型號(hào)： L6598D013TR
廠商： 意法半導(dǎo)體
英文描述： HIGH VOLTAGE RESONANT CONTROLLER
中文描述： 高壓諧振控制器
文件頁(yè)數(shù)： 6/17頁(yè)
文件大?。?/td> 166K
代理商： L6598D013TR
L6598
6/17
Figure 6. Oscillator/Output Timing Diagram
3
BLOCK’S DIAGRAM DESCRIPTION
3.1 High/Low Side driving section
An High and Low Side driving Section provide the proper driving to the external Power MOS or IGBT. An high
sink/source driving current (450/250 mA typ) ensure fast switching times also when size4 Power MOS are used.
The internal logic ensures a minimum dead time to avoid cross-conduction of the power devices.
3.2 Timing and Oscillator Section
The device is provided of a soft start function. It consists in a period of time, T
SS
, in which the switching frequen-
cy shifts from f
start
to f
min
. This feature is explained in the following description (ref. fig.7 and fig.8).
Figure 7. Soft Start and frequency shifting block
LVG
HVG
C f
D98IN897
Css
Ifmin
Ifstart
Iss
gm
OSC
Iosc
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L6599AD 功能描述:電壓模式 PWM 控制器 Hi-Volt Resonant Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
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