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参数资料
| 型号： | LV5681P |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PZFM15 |
| 封装： | HZIP-15 |
| 文件页数： | 12/12页 |
| 文件大小： | 237K |
| 代理商： | LV5681P |
LV5681P
No.A1902-9/12
Recommended Operation Circuit
Peripheral parts list
Name of part
Description
Recommended value
Remarks
C1
Power supply bypass capacitor
100
μF or more
C2
Oscillation prevention capacitor
0.22
μF or more
These capacitors must be placed near
the VCC and GND pins.
C3
EXT output stabilization capacitor
2.2
μF or more
C4
ANT output stabilization capacitor
2.2
μF or more
C5, C57 C9, C11
Output stabilization capacitor
4.7
μF or more
Electrolytic capacitor *
C6, C8, C10, C12
Output stabilization capacitor
0.22
μF or more
Ceramic capacitor *
R1,R2
Resistor for ILM voltage adjustment
R1/R2
:30k
Ω/5.6kΩ = 8.0V
:27k
Ω/3.9kΩ = 10.0V
:33k
Ω/3.9kΩ = 11.9V
A resistor with resistance accuracy as
low as less than
±1% must be used.
R3, R4
Resistor for AUDIO voltage setting
R3/R4
:30k
Ω/5.6kΩ = 8.0V
:27k
Ω/4.7kΩ = 8.5V
:24k
Ω/3.9kΩ = 9.0V
A resistor with resistance accuracy as
low as less than
±1% must be used.
D1, D2, D3, D4
Diode for internal device breakdown protection
* : In order to stabilize the regulator outputs, it is recommended that the electrolytic capacitor and ceramic capacitor be connected in parallel.
Furthermore, the values listed above do not guarantee stabilization during the overcurrent protection operations of the regulator, so oscillation may occur
during an overcurrent protection operation.
+
14
ANT
12
V
DD
5.7V
10
ACC
8
CTRL1
6
CTRL2
4
AUDIO_F
2
15
13
11
9
7
5
3
1
ILM_F
EXT
SW5.7V
ACC5.7V
GND
V
CC
AUDIO
CD
ILM
+
C5
C6
ILM
+
C11 C12
R4
CD
CTRL2
CTRL1
ACC ACC5.7V
SW5.7V
R1
R3
+
C11
D4
C4
C3
D3
D2
D1
C12
VDD5.7V
ANT
EXT
+
C7
C8
AUDIO
+
C1
C2
VCC
R2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV5681P-E | 功能描述:直流/直流开关调节器 CAR AUDIO Pwr SUPPLY RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LV5681PGEVB | 制造商:ON Semiconductor 功能描述:EVABOARD FOR LV5681P - Boxed Product (Development Kits) |
| LV5682P | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:For Car Audio Systems Multi-Power Supply System IC |
| LV5682P_12 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:For Car Audio Systems Multi-Power Supply System IC |
| LV5682P-E | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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