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參數(shù)資料
| 型號： | LV4924VH-TLM-H |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO CLASS D BTL 36HSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | D 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 15W x 2 @ 8 歐姆 |
| 電源電壓： | 9 V ~ 20 V |
| 特點： | 靜音，短路和熱保護，待機 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 36-HSSOP |
| 封裝/外殼： | 36-SOP + 2 翼片裸露焊盤 |
| 包裝： | 帶卷 (TR) |
LV4924VH
No.A1997-8/15
Sequence at power OFF
To reduce the pop noise, turn OFF power supply while controlling in the following timing (PWM=BD mode).
Protection Circuit
LV4924VH incorporates the over-current protection circuit, thermal protection circuit, supply voltage drop protection
circuit and output offset detection protection circuit. Activation of any one of these circuits causes the SOS output pin
to become active and thus "L".
Over-current protection circuit
This circuit is a protection circuit* to protect the output transistor from the over-current and compatible with any mode
of lightning, ground fault, and load short-circuit.
Protection is done when the detection current value (about 6A) set inside IC is reached, forcing the output transistor to
remain OFF for about 20μs. After forced OFF, the transistor returns automatically to the normal operation and performs
protection again if the over-current continues to flow.
Output Current
Self-recovery &
Normal Operation
Control
Operation
Internal Control Signal
* The over-current protection circuit functions only to avoid the abnormal state, such as output short-circuit, etc.,
temporarily, and does not guarantee to offer the protection to prevent damage to IC.
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