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參數(shù)資料
| 型號(hào)： | LA5680T |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封裝： | 7 X 7 MM, TQFP-48 |
| 文件頁數(shù)： | 20/20頁 |
| 文件大小： | 1293K |
| 代理商： | LA5680T |
LA5680T
No.A0373-9/20
Note
When signals are applied to the CTL and STBY pins
Make sure that the input timing relationships described below are maintained between the signals at the CTL and STBY
pins when signals are input to them. If signals are not applied at the specified timing, the initialization of the CSOFT and
FB voltages may fail, possibly resulting in malfunctioning.
1) When the START-UP circuit is not used
Set the CTL pin high first, then turn on or off the STBY pins after the signals at the VREF and CT pins (reference
voltage and oscillation frequency values specified in the electrical characteristics) get stabilized. When turning off the
circuit, turn off all STBY pins before turning off the CTL pin.
2) When the START-UP circuit is used (CTL and STBY6 must be connected with a wire)
Set the CTL pin high first, then turn on or off the STBY pins after the signals at the VREF and CTL pins (reference
voltage and oscillation frequency values specified in the electrical characteristics) get stabilized. When turning of the
circuit, turn off all STBY pins before turning off the CTL pin.
When using the start-up channel (6-channel) to connect load, use it only after making sure that VO6 has started fully.
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