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参数资料
| 型号： | LV4920H |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | 0.375 INCH, HSOP-36 |
| 文件页数： | 12/12页 |
| 文件大小： | 165K |
| 代理商： | LV4920H |
LV4920H
No.A0989-9/12
2.3 Power Down Sequence
The power shut-down sequence must be controlled by timing as shown below (PWM=BD mode) to minimize
impulse noise.
3. Protection Circuits
The LV4920H has full complement of built-in protection circuits: overcurrent protection, thermal protection, and low
power supply voltage protection circuits.
3.1 Overcurrent protection circuit
The overcurrent protection circuit protects the output transistors by detecting current that exceeds a predetermined
value due to load shorting, shorting to power, shorting to ground, etc.
When the protection circuit is activated, both the high- and low-side output transistors are turned off and the
output is placed in a high-impedance state.
The figure below shows the waveform of current that flows when load shorting (1
) occurs.
+3.8A
-3.8A
Overcurrent hold time (approx. 20
s)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV4920H-MPB-E | 制造商:ON Semiconductor 功能描述:CLASS-D POWER AMPLIFIER - Ammo Pack |
| LV4920H-TLM-E | 制造商:ON Semiconductor 功能描述:CLASS-D POWER AMPLIFIER - Tape and Reel |
| LV4921V-MPB-H | 制造商:ON Semiconductor 功能描述:CLASS-D POWER AMPLIFIER - Ammo Pack |
| LV4921V-TLM-H | 制造商:ON Semiconductor 功能描述:CLASS-D POWER AMPLIFIER - Tape and Reel |
| LV4922V-MPB-H | 制造商:ON Semiconductor 功能描述:CLASS-D POWER AMPLIFIER - Ammo Pack |
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