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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： | 5/14頁 |
| 文件大小： | 199K |
| 代理商： | LA5679T |
LA5679T
No.7619-13/14
Resistance between CAPL and GND during MOS drive
VOUT develops chattering with VBIAS1 at about -3V. This is considered due to the high impedance condition
sensitive to noise in the course of change of the inverter output shown below from HI to LOW. Provide a resistor to
CAPL - GND to improve the high impedance condition to eliminate chattering.
VBIAS1
Chattering
VBIAS1-3V
VOUT waveform
VBIAS1
VOUT waveform
(Resistor between CAPL and GND)
VBIAS1
OUT
CAPL
ISET
IOUT
RSET
CAPH
Inverter output passes through the impedance
condition during change from HI to LOW.
CAPL - GND resistor
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