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参数资料
| 型号： | A8282SLB |
| 厂商： | Allegro MicroSystems, Inc. |
| 英文描述： | LNB SUPPLY AND CONTROL-VOLTAGE REGULATORS |
| 中文描述： | LNB电源与控制，电压调节器 |
| 文件页数： | 9/10页 |
| 文件大小： | 350K |
| 代理商： | A8282SLB |
8281/8282
Output Voltage Adjust.
It is possible to fine tune the LNB
output voltage to comply with the DirectTV specification by
connecting a 1M resistor from pin VINT to TCAP.
The LNB is output gained up by 6 from the TCAP voltage
as shown. The 1M resistor pulls the LNB voltage up 440mV
from the 13V nominal setting of the voltage select DAC by
sourcing approximately 2.76μA into the TCAP node.
TCAP
LNB
LNB Voltage
Select
VINT
25K
1M
Internal 5V
Reference
+
X 6
_
Capacitive Loading.
The linear regulator sink current
is limited which can cause overshoot of the 22Khz tone.
This effect only appears with low levels of output current
combined with high values of output capacitance. This
relationship is chart below. Points above the line will not
have excessive overshoot.
IOUT(ma) vs Cload (uf)
0.1
0.220.3
0.47
1
1.5
0
20
40
60
80
100
120
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A8282SLB-T | 制造商:Allegro MicroSystems LLC 功能描述: |
| A8282SLBTR | 功能描述:IC REG LNB SUPPLY/CTRL 24-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| A8282SLBTR-T | 功能描述:IC REG LNB SUPPLY/CTRL 24-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| A8283 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LNB Supply and Control Voltage Regulator |
| A8283(DIP) | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Interface IC |
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