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參數資料
| 型號： | LA5679T |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.03 A SWITCHING CONTROLLER, 320 kHz SWITCHING FREQ-MAX, PDSO36 |
| 封裝： | 0.275 INCH, TSSOP-36 |
| 文件頁數： | 13/14頁 |
| 文件大小： | 199K |
| 代理商： | LA5679T |
LA5679T
No.7619-8/14
Setting the dead time
(1) For Ch1
The dead time of Ch1 can be set with the DTC1 voltage.
Duty D1 is represented as follows:
D1 = (1
)
× 100 [%]
(2) For Ch2 (and Ch3)
The dead time of Ch2 can be set with the voltage of DTC2.
* Figure shows a case with Ch2 as well as a case with Ch3.
Duty D2 is represented as follows:
D2 =
× 100 [%]
* The equation is for Ch2. The same applies to Ch3.
VTH1_DTC
DTC1
VREF
VDTC1
VTH2_DTC
Triangular input waveform of PWM comparator
VDTC1
VDTC
VTH2_DTC
VTH1_DTCVTH2_DTC
VTH3_DTC
DTC2
VREF
VDTC2
VTH4_DTC
Triangular input waveform of PWM comparator
VDTC2
VTH4_DTC
VTH3_DTCVTH4_DTC
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