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參數(shù)資料
| 型號： | BH76809FVM-TR |
| 廠商： | Rohm Semiconductor |
| 文件頁數(shù)： | 13/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DRIVER VIDEO CAP-LESS MSOP8 |
| 標準包裝： | 3,000 |
| 應用： | 驅(qū)動器 |
| 電路數(shù)： | 1 |
| 電流 - 電源： | 16mA |
| 電流 - 輸出 / 通道： | 30mA |
| 電壓 - 電源，單路/雙路(±)： | 2.5 V ~ 3.45 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-VSSOP，8-MSOP（0.110"，2.80mm 寬） |
| 供應商設備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
LV4924VH
No.A1997-7/15
Description of functions
System Standby
The built-in 5V regulator is turned ON / OFF by changing over "H" and "L" of "STBY". The regulator is turned OFF
with "STBY" at "L" and ON with "STBY" at "H".
This signal also causes initialization of the internal logic initialization with "L" and the normal mode with "H".
MUTE Function
The MUTE function is mainly for muting of the output and for reduction of pop noise at power ON.
Muting the output
The output PWM can be turned ON / OFF by changing over "H" and "L" of "MUTE". The PWM output is stopped
(putting all of PWM outputs at high impedance) with "MUTE" at "L" and enters the normal operation mode with
"MUTE" at "H".
Sequence at power ON
To reduce the pop noise, turn ON power supply while controlling in the following timing (PWM=BD mode).
In particular, all of inputs of PWM must be held at "L" at canceling of MUTE function.
* Please observe the following items for the destruction prevention of the output transistor.
(1) Under all conditions must control the period at the "H" level about the PWM input so as not to become more than
200μs when period of the "H" level MUTE and STBY signals both.
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